Changes for page LHT52 - LoRaWAN Temperature & Humidity Sensor User Manual

Last modified by Mengting Qiu on 2024/04/30 14:27

From version < 52.1 >

edited by Edwin Chen
on 2022/05/23 00:35

To version < 115.2 >

edited by Xiaoling
on 2022/06/01 15:07

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--XWiki.Edwin
++XWiki.Xiaoling

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--{{box cssClass="floatinginfobox" title="**Contents**"}}
++(% _mstvisible="2" style="text-align:center" %)
++[[image:image-20220523115324-1.jpeg||_mstalt="469677" _mstvisible="4" height="317" width="317"]]
++
++
++(% _mstvisible="1" %)
++(% _msthash="315237" _msttexthash="1697033" _mstvisible="3" %)**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
++
++
++
++
++(% _mstvisible="1" %)
++(% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents：**
++
  {{toc/}}
--{{/box}}
--= Overview =
--[[image:LHT65N_10.png||alt="LHT65_Image" height="265" width="265"]]
--The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a(% class="mark" %) **built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% class="mark" %)**Temperature Sensor**(%%)**.**
++(% _mstvisible="1" %)
++= (% _msthash="277498" _msttexthash="253045" _mstvisible="3" %)1. Introduction(%%) =
++(% _mstvisible="1" %)
++== (% _msthash="1532895" _msttexthash="1426958" _mstvisible="3" %)1.1 What is LHT65N Temperature & Humidity Sensor(%%) ==
++
++(% _mstvisible="1" %)
++(((
++(% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
++The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% _mstvisible="4" style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% _mstvisible="4" style="color:#4f81bd" %)**Temperature Sensor**(% _mstvisible="3" %)**.**
++)))
++
++(% _mstvisible="1" %)
++(((
++(% _msthash="506052" _msttexthash="66005810" _mstvisible="2" %)
  The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
++)))
++(% _mstvisible="1" %)
++(((
++(% _msthash="506053" _msttexthash="4298047" _mstvisible="2" %)
  LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
++)))
++(% _mstvisible="1" %)
++(((
++(% _msthash="506054" _msttexthash="6016374" _mstvisible="2" %)
  LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
++)))
--LHT65N supports (% class="mark" %)Datalog Feature(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
++(% _mstvisible="1" %)
++(((
++(% _msthash="506055" _msttexthash="17023136" _mstvisible="2" %)
++LHT65N supports (% _mstvisible="4" style="color:#4f81bd" %)**Datalog Feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
++)))
++(% _mstvisible="1" %)
++(((
++(% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
  *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
++)))
++(% _mstvisible="1" %)
++== (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2 Features(%%) ==
--== Features: ==
--
++(% _mstvisible="1" %)
  * Wall mountable
  * LoRaWAN v1.0.3 Class A protocol
  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
@@ -34,438 +34,935 @@
  * Tri-color LED to indicate working status
  * Datalog feature
--== Specification: ==
++(% _mstvisible="1" %)
++== (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
--**Built-in Temperature Sensor:**
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" %)
++(% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
++)))
--* Resolution: 0.01 °C
--* Accuracy Tolerance : Typ ±0.3 °C
--* Long Term Drift: < 0.02 °C/yr
--* Operating Range: -40 ~~ 85 °C
++(% _mstvisible="1" %)
++* (% _mstvisible="3" %)
++(((
++(% _msthash="902993" _msttexthash="294424" _mstvisible="4" %)
++Resolution: 0.01 °C
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="902994" _msttexthash="690664" _mstvisible="4" %)
++Accuracy Tolerance : Typ ±0.3 °C
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="902995" _msttexthash="504647" _mstvisible="4" %)
++Long Term Drift: < 0.02 °C/yr
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="902996" _msttexthash="478257" _mstvisible="4" %)
++Operating Range: -40 ~~ 85 °C
++)))
--**Built-in Humidity Sensor:**
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" %)
++(% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
++)))
--* Resolution: 0.04 %RH
--* Accuracy Tolerance : Typ ±3 %RH
--* Long Term Drift: < 0.02 °C/yr
--* Operating Range: 0 ~~ 96 %RH
++(% _mstvisible="1" %)
++* (% _mstvisible="3" %)
++(((
++(% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
++Resolution: 0.04 %RH
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="902998" _msttexthash="628771" _mstvisible="4" %)
++Accuracy Tolerance : Typ ±3 %RH
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="902999" _msttexthash="504647" _mstvisible="4" %)
++Long Term Drift: < 0.02 °C/yr
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903000" _msttexthash="421291" _mstvisible="4" %)
++Operating Range: 0 ~~ 96 %RH
++)))
--**External Temperature Sensor:**
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" %)
++(% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
++)))
--* Resolution: 0.0625 °C
--* ±0.5°C accuracy from -10°C to +85°C
--* ±2°C accuracy from -55°C to +125°C
--* Operating Range: -55 °C ~~ 125 °C
++(% _mstvisible="1" %)
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903001" _msttexthash="332254" _mstvisible="4" %)
++Resolution: 0.0625 °C
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
++±0.5°C accuracy from -10°C to +85°C
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903003" _msttexthash="729482" _mstvisible="4" %)
++±2°C accuracy from -55°C to +125°C
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
++Operating Range: -55 °C ~~ 125 °C
++)))
--= Connect LHT65N to IoT Server =
++(% _mstvisible="1" %)
++= (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) =
--== How does LHT65N work? ==
++(% _mstvisible="1" %)
++== (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
++(% _mstvisible="1" %)
++(((
++(% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
  LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
++)))
++(% _mstvisible="1" %)
++(((
++(% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
  If LHT65N is under the coverage of this LoRaWAN network. LHT65N can join the LoRaWAN network automatically. After successfully joining, LHT65N will start to measure environment temperature and humidity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
++)))
++(% _mstvisible="1" %)
++== (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT65N?(%%) ==
--== How to Activate LHT65N? ==
--
++(% _msthash="315239" _msttexthash="748241" _mstvisible="1" %)
  The LHT65N has two working modes:
++(% _mstvisible="1" %)
  * **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
  * **Working Mode**: In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65 will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode.
++(% _mstvisible="1" %)
++(((
++(% _msthash="506062" _msttexthash="6036823" _mstvisible="2" %)
  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
++)))
--[[image:image-20220515123819-1.png||height="379" width="317"]]
++(% _mstvisible="1" %)
++[[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
--|**Behavior on ACT**|**Function**|**Action**
--|**Pressing ACT between 1s < time < 3s**|Test uplink status|If LHT65N is already Joined to the LoRaWAN network, LHT65N will send an uplink packet, if LHT65N has an external sensor connected, blue led will blink once. If LHT65N has no external sensor, red led will blink once.
--|**Pressing ACT for more than 3s**|Active Device|green led will fast blink 5 times, LHT65N will enter working mode and start to JOIN LoRaWAN network. green led will solid turn on for 5 seconds after join in network.
--|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
++(% _mstvisible="1" %)
++[[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
--== Example to join LoRaWAN network ==
++(% _mstvisible="1" %)
++== (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
--(% class="wikigeneratedid" %)
++(% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
  This section shows an example of how to join the TTN V3 LoRaWAN IoT server. Use with other LoRaWAN IoT servers is of a similar procedure.
--(% class="wikigeneratedid" %)
--[[image:image-20220522232442-1.png||height="387" width="648"]]
++(% _mstvisible="1" class="wikigeneratedid" %)
++[[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
--Assume the LPS8N is already set to connect to [[TTN V3 network>>url:https://eu1.cloud.thethings.network]], So it provides network coverage for LHT65N. Next we need to add the LHT65N device in TTN V3:
++(% _msthash="315241" _msttexthash="10802155" _mstvisible="1" %)
++Assume the LPS8N is already set to connect to [[TTN V3 network>>url:https://eu1.cloud.thethings.network||_mstvisible="2"]], So it provides network coverage for LHT65N. Next we need to add the LHT65N device in TTN V3:
--=== **Step 1**: Create Device n TTN ===
++(% _mstvisible="1" %)
++=== (% _msthash="670592" _msttexthash="634075" _mstvisible="3" %)2.3.1 Step 1: Create Device n TTN(%%) ===
++(% _msthash="315242" _msttexthash="1601782" _mstvisible="1" %)
  Create a device in TTN V3 with the OTAA keys from LHT65N.
++(% _msthash="315243" _msttexthash="3694444" _mstvisible="1" %)
  Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
--[[image:image-20220522232812-2.png||height="219" width="279"]]
++(% _mstvisible="1" %)
++[[image:image-20220522232812-2.png||_mstalt="428467" _mstvisible="3" height="219" width="279"]]
++(% _msthash="315244" _msttexthash="3659149" _mstvisible="1" %)
  User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
++(% _msthash="315245" _msttexthash="642889" _mstvisible="1" %)
  Add APP EUI in the application.
--[[image:image-20220522232916-3.png]]
++(% _mstvisible="1" %)
++[[image:image-20220522232916-3.png||_mstalt="430495" _mstvisible="3"]]
++(% _mstvisible="1" %)
++[[image:image-20220522232932-4.png||_mstalt="430157" _mstvisible="3"]]
--[[image:image-20220522232932-4.png]]
++(% _mstvisible="1" %)
++[[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
--
--[[image:image-20220522232954-5.png]]
--
++(% _msthash="315246" _msttexthash="878800" _mstvisible="1" %)
  Note: LHT65N use same payload as LHT65.
--[[image:image-20220522233026-6.png]]
++(% _mstvisible="1" %)
++[[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
++(% _msthash="315247" _msttexthash="595543" _mstvisible="1" %)
  Input APP EUI,  APP KEY and DEV EUI:
--[[image:image-20220522233118-7.png]]
++(% _mstvisible="1" %)
++[[image:image-20220522233118-7.png||_mstalt="430430" _mstvisible="3"]]
--=== Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
++(% _mstvisible="1" %)
++=== (% _msthash="3537456" _msttexthash="3448549" _mstvisible="3" %)2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds.(%%) ===
++(% _msthash="315248" _msttexthash="14452321" _mstvisible="1" %)
  Use ACT button to activate LHT65N and it will auto-join to the TTN V3 network. After join success, it will start to upload sensor data to TTN V3 and user can see in the panel.
--[[image:image-20220522233300-8.png]]
++(% _mstvisible="1" %)
++[[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
--== Uplink Payload: ==
++(% _mstvisible="1" %)
++== (% _msthash="320879" _msttexthash="294970" _mstvisible="3" %)2.4 Uplink Payload(%%) ==
--The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
++(% _msthash="315249" _msttexthash="7722962" _mstvisible="1" %)
++The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% _mstvisible="3" style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
--After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
++(% _msthash="315250" _msttexthash="1322711" _mstvisible="1" %)
++After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
++(% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:426px" %)
++(% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
++)))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2**
++)))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2**
++)))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2**
++)))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1**
++)))|(% _mstvisible="4" style="width:51px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4**
++)))
++(% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(% _msthash="1817484" _msttexthash="60203" _mstvisible="8" %)**Value**
++)))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++[[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594" _mstvisible="7"]]
++)))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769" _mstvisible="8"]]
++)))
++)))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++[[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872" _mstvisible="8"]]
++)))
--(% style="width:572px" %)
--|(% style="width:106px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:128px" %)**2**|(% style="width:103px" %)**2**|(% style="width:72px" %)**1**|(% style="width:89px" %)**4**
--|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
--[[Built-In>>path:#SHT20_Temperature]]
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++[[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429" _mstvisible="8"]]
++)))
++)))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++[[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331" _mstvisible="7"]] #
++)))|(% _mstvisible="4" style="width:51px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++[[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545" _mstvisible="7"]]
++)))
--[[Temperature>>path:#SHT20_Temperature]]
--)))|(% style="width:103px" %)(((
--[[Built-in>>path:#SHT20_Humidity]]
--
--[[Humidity>>path:#SHT20_Humidity]]
--)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
--
++(% _mstvisible="1" %)
  * The First 6 bytes: has fix meanings for every LHT65N.
  * The 7th byte (EXT #): defines the external sensor model.
--* The 8^^th^^ ~~ 11^^th^^ byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
++* The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
--=== Decoder in TTN V3 ===
++(% _mstvisible="1" %)
++=== (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
++(% _msthash="315251" _msttexthash="9786491" _mstvisible="1" %)
  When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N decoder in TTNv3 for friendly reading.
++(% _msthash="315252" _msttexthash="3928483" _mstvisible="1" %)
  Below is the position to put the decoder and LHT65N decoder can be download from here:
--[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
++(% _mstvisible="1" %)
++[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
--[[image:image-20220522234118-10.png]]
++(% _mstvisible="1" %)
++[[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
++(% _mstvisible="1" %)
++=== (% _msthash="411411" _msttexthash="383656" _mstvisible="3" %)2.4.2 BAT-Battery Info(%%) ===
--=== BAT-Battery Info ===
--
++(% _msthash="315254" _msttexthash="3122912" _mstvisible="1" %)
  These two bytes of BAT include the battery state and the actually voltage
--(% style="width:646px" %)
--|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
--|Value|(% style="width:272px" %)(((
--BAT Status
++(% _mstvisible="1" %)
++[[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
--00(b): Ultra Low ( BAT <= 2.50v)
++(% _mstvisible="1" %)
++[[image:image-20220522235639-1.png||_mstalt="431392" _mstvisible="3" height="139" width="727"]]
--01(b): Low  (2.50v <=BAT <= 2.55v)
--
--10(b): OK   (2.55v <= BAT <=2.65v)
--
--11(b): Good   (BAT >= 2.65v)
--)))|(% style="width:214px" %)Actually BAT voltage
--
--[[image:image-20220522235639-1.png]]
--
++(% _msthash="315255" _msttexthash="871611" _mstvisible="1" %)
  Check the battery voltage for LHT65N.
++(% _mstvisible="1" %)
  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
--=== Built-in Temperature ===
++(% _mstvisible="1" %)
++=== (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
--[[image:image-20220522235639-2.png]]
++(% _mstvisible="1" %)
++[[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
++(% _mstvisible="1" %)
  * Temperature:  0x0ABB/100=27.47℃
--[[image:image-20220522235639-3.png]]
++(% _mstvisible="1" %)
++[[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
++(% _mstvisible="1" %)
  * Temperature:  (0xF5C6-65536)/100=-26.18℃
--=== Built-in Humidity ===
++(% _mstvisible="1" %)
++=== (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
--[[image:image-20220522235639-4.png]]
++(% _mstvisible="1" %)
++[[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
++(% _mstvisible="1" %)
  * Humidity:    0x025C/10=60.4%
--=== Ext # ===
++(% _mstvisible="1" %)
++=== (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
++(% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
  Bytes for External Sensor:
--(% style="width:624px" %)
--|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
--|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
--|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
++(% _mstvisible="1" %)
++[[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
--=== Ext value ===
++(% _mstvisible="1" %)
++=== (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
--==== Ext~=1, E3 Temperature Sensor ====
++(% _mstvisible="1" %)
++==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
--[[image:image-20220522235639-5.png]]
++(% _mstvisible="1" %)
++[[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
--
++(% _mstvisible="1" %)
  * DS18B20 temp=0x0ADD/100=27.81℃
++(% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
  The last 2 bytes of data are meaningless
++(% _mstvisible="1" %)
++[[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
--
--[[image:image-20220522235639-6.png]]
--
++(% _mstvisible="1" %)
  * External temperature= (0xF54F-65536)/100=-27.37℃
++(% _mstvisible="1" %)
++(((
++(% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
  The last 2 bytes of data are meaningless
++)))
--
++(% _mstvisible="1" %)
++(((
++(% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
++)))
--==== Ext~=9, E3 sensor with Unix Timestamp ====
++(% _mstvisible="1" %)
++==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
++(% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
  Timestamp mode is designed for LHT65N with E3 probe, it will send the uplink payload with Unix timestamp. With the limitation of 11 bytes (max distance of AU915/US915/AS923 band), the time stamp mode will be lack of BAT voltage field, instead, it shows the battery status. The payload is as below:
++(% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:510px" %)
++(% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
++)))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
++)))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
++)))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
++)))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
++)))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
++)))
++(% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
++)))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++[[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
++)))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++[[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
++)))
--(% style="width:697px" %)
--|(% style="width:96px" %)**Size(bytes)**|(% style="width:164px" %)**2**|(% style="width:104px" %)**2**|(% style="width:106px" %)**2**|(% style="width:108px" %)**1**|(% style="width:116px" %)**4**
--|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
--[[Built-In>>path:#SHT20_Temperature]]
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++[[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
++)))
++)))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(((
++(% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
++BAT Status &
++)))
--[[Temperature>>path:#SHT20_Temperature]]
--)))|(% style="width:106px" %)(((
--[[BAT Status &>>path:#BAT_Humidity]]
--
--[[Built-in>>path:#BAT_Humidity]]
--
--[[Humidity>>path:#BAT_Humidity]]
--)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
--[[Unix>>path:#Unix_Time_Stamp]]
--
--[[Time Stamp>>path:#Unix_Time_Stamp]]
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
  )))
++)))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
++(((
++(% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
++Status & Ext
++)))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
++)))
++)))
--* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
++(% _mstvisible="1" %)
++* (% _msthash="2539669" _msttexthash="857922" _mstvisible="3" %)**Battery status & **(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**
--(% style="width:587px" %)
--|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
--|Value|(% style="width:280px" %)(((
++(% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:469px" %)
++(% _mstvisible="3" %)|(% _msthash="1230918" _msttexthash="93158" _mstvisible="4" style="width:65px" %)Bit(bit)|(% _msthash="1230919" _msttexthash="57954" _mstvisible="4" style="width:267px" %)[15:14]|(% _msthash="1230920" _msttexthash="48022" _mstvisible="4" style="width:134px" %)[11:0]
++(% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
++(((
++(% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
  BAT Status
++(% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
 (b): Ultra Low ( BAT <= 2.50v)
++(% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
 (b): Low  (2.50v <=BAT <= 2.55v)
++(% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
 (b): OK   (2.55v <= BAT <=2.65v)
++(% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
 (b): Good   (BAT >= 2.65v)
--)))|(% style="width:136px" %)(((
--[[Built-in Humidity>>path:#SHT20_Humidity]]
++)))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
++(% _mstvisible="6" %)
  )))
--* **Status & Ext Byte**
++(% _mstvisible="1" %)
++* (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
--(% style="width:732px" %)
--|(% style="width:128px" %)**Bits**|(% style="width:102px" %)**7**|(% style="width:145px" %)**6**|(% style="width:117px" %)**5**|(% style="width:147px" %)**4**|(% style="width:90px" %)**[3:0]**
--|(% style="width:128px" %)**Status & Ext**|(% style="width:102px" %)Not Defined|(% style="width:145px" %)Poll Message Flag|(% style="width:117px" %)Sync time OK|(% style="width:147px" %)Unix Time Request|(% style="width:90px" %)(((
--Ext:
++(% _mstvisible="1" %)
++[[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
--0b(1001)
--)))
--
++(% _mstvisible="1" %)
  * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
  * Sync time OK: 1: Set time ok，0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
  * Unix Time Request:1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
--== Show data on Datacake ==
++(% _mstvisible="1" %)
++== (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
++(% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
  Datacake IoT platform provides a human-friendly interface to show the sensor data, once we have sensor data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps:
++(% _mstvisible="1" %)
++(((
++(% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
++(% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
++)))
--**Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
++(% _mstvisible="1" %)
++(((
++(% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
++(% _mstvisible="3" %)**Step 2**(%%): Configure your Application to forward data to Datacake you will need to add integration. Go to TTN V3 Console ~-~-> Applications ~-~-> Integrations ~-~-> Add Integrations.
++)))
--**Step 2**: Configure your Application to forward data to Datacake you will need to add integration. Go to TTN V3 Console ~-~-> Applications ~-~-> Integrations ~-~-> Add Integrations.
--
--
++(% _mstvisible="1" %)
++(((
++(% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
  Add Datacake:
++)))
--[[image:image-20220523000825-7.png||height="262" width="583"]]
++(% _mstvisible="1" %)
++[[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
++(% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
  Select default key as Access Key:
--[[image:image-20220523000825-8.png||height="453" width="406"]]
++(% _mstvisible="1" %)
++[[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
++(% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
++In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
--In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
++(% _mstvisible="1" %)
++[[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
--[[image:image-20220523000825-9.png||height="366" width="392"]]
++(% _mstvisible="1" %)
++[[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
++(% _mstvisible="1" %)
++== (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
++(% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
++Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LHT65N will store the reading for future retrieving purposes. There are two ways for IoT servers to get datalog from LHT65N.
--[[image:image-20220523000825-10.png||height="432" width="762"]]
++(% _mstvisible="1" %)
++=== (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
++(% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
++There are two methods:
--== Datalog Feature ==
++(% _mstvisible="1" %)
++1.  IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
++1.  Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover.
--This feature is always enabled. When user wants to retrieve the sensor value, he can send a poll command from the IoT platform to ask LHT65N to send the value in the required time slot.
++(% _mstvisible="1" %)
++=== (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
--=== Unix TimeStamp ===
--
++(% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
  LHT65N uses Unix TimeStamp format based on
--[[image:image-20220523001219-11.png||height="97" width="627"]]
++(% _mstvisible="1" %)
++[[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
--User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
++(% _mstvisible="1" %)
++(((
++(% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
++User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
++)))
++(% _mstvisible="1" %)
++(((
++(% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
  Below is the converter example
++)))
--[[image:image-20220523001219-12.png||height="353" width="853"]]
++(% _mstvisible="1" %)
++[[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
++(% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
++(% _mstvisible="1" %)
++=== (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
--=== Set Device Time ===
--
++(% _mstvisible="1" %)
++(((
++(% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
  There are two ways to set device’s time:
++)))
--**~1. Through LoRaWAN MAC Command (Default settings)**
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" %)
++(% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
++)))
++(% _mstvisible="1" %)
++(((
++(% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
  User need to set SYNCMOD=1 to enable sync time via MAC command.
++)))
++(% _mstvisible="1" %)
++(((
++(% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
  Once LHT65N Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LHT65N. If LHT65N fails to get the time from the server, LHT65N will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
++)))
++(% _mstvisible="1" %)
++(((
++(% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
  Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn’t support. If server doesn’t support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.
++)))
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" %)
++
++)))
--**2. Manually Set Time**
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" %)
++(% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
++)))
++(% _mstvisible="1" %)
++(((
++(% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
++)))
++(% _mstvisible="1" %)
++=== (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
--=== Poll sensor value ===
--
++(% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
  User can poll sensor value based on timestamps from the server. Below is the downlink command.
++(% _mstvisible="1" %)
++[[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
--(% style="width:454px" %)
--|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
--|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
--
++(% _mstvisible="1" %)
++(((
++(% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
  Timestamp start and Timestamp end use Unix TimeStamp format as mentioned above. Devices will reply with all data log during this time period, use the uplink interval.
++)))
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" %)
++For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
++)))
--For example, downlink command 31 5FC5F350 5FC6 0160 05
--
++(% _mstvisible="1" %)
++(((
++(% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
  Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
++)))
++(% _mstvisible="1" %)
++(((
++(% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
  Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
++)))
--=== Datalog Uplink payload ===
++(% _mstvisible="1" %)
++=== (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
++(% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
  The Datalog poll reply uplink will use below payload format.
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" %)
++(% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
++)))
--Retrieval data payload
++(% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:510px" %)
++(% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++(% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
++)))
++)))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++(% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
++)))
++)))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++(% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
++)))
++)))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++(% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
++)))
++)))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++(% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
++)))
++)))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++(% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
++)))
++)))
++(% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++(% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
++)))
++)))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++[[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
++)))
++)))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++(((
++(% _mstvisible="8" %)
++[[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
++)))
++)))
--|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
--|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
--[[Built-In>>path:#SHT20_Temperature]]
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++(((
++(% _mstvisible="8" %)
++[[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
++)))
++)))
++)))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++(((
++(% _mstvisible="8" %)
++[[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
++)))
++)))
--[[Temperature>>path:#SHT20_Temperature]]
--)))|(((
--[[Built-in>>path:#SHT20_Humidity]]
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++(((
++(% _mstvisible="8" %)
++[[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
++)))
++)))
++)))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(((
++(% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
++Poll message flag & Ext
++)))
++)))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
++(((
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++(((
++(% _mstvisible="8" %)
++[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
++)))
++)))
--[[Humidity>>path:#SHT20_Humidity]]
--)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
--[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
--
++(% _mstvisible="6" %)
++(((
++(% _mstvisible="7" %)
++(((
++(% _mstvisible="8" %)
  )))
++)))
++)))
--Poll message flag & Ext
++(% _mstvisible="1" %)
++(% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
++(% _mstvisible="1" %)
++[[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
--|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
--|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
--Ext:
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" %)
++(((
++(% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
++Poll Message Flag: 1: This message is a poll message reply.
++)))
++)))
--0b(1001)
++(% _mstvisible="1" %)
++* (% _mstvisible="3" %)
++(((
++(% _mstvisible="4" %)
++(((
++(% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
++Poll Message Flag is set to 1.
  )))
++)))
++* (% _mstvisible="3" %)
++(((
++(% _mstvisible="4" %)
++(((
++(% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
++Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
++)))
++)))
--Poll Message Flag: 1: This message is a poll message reply.
--
--* Poll Message Flag is set to 1.
--* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
--
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" %)
++(((
++(% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
  For example, in US915 band, the max payload for different DR is:
++)))
++)))
--a)      DR0: max is 11 bytes so one entry of data
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" %)
++(((
++(% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
++a) DR0: max is 11 bytes so one entry of data
++)))
++)))
--b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" %)
++(((
++(% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
++b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
++)))
++)))
--c)      DR2: total payload includes 11 entries of data
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" %)
++(((
++(% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
++c) DR2: total payload includes 11 entries of data
++)))
++)))
--d)      DR3: total payload includes 22 entries of data.
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" %)
++(((
++(% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
++d) DR3: total payload includes 22 entries of data.
++)))
++)))
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" %)
++(((
++(% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0
++)))
++)))
--**Example:**
++(% _mstvisible="1" style="text-align: left;" %)
++(% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
++(% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
  If LHT65N has below data inside Flash:
--Flash Addr   |Unix Time | Ext | BAT voltage|      Value
++(% _mstvisible="1" %)
++[[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
--80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
++(% _mstvisible="1" %)
++(((
++(% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
++If user sends below downlink command:  (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
++)))
--80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
--
--8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
--
--8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
--
--8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
--
--8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
--
--8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
--
--8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
--
--
--If user sends below downlink command:
--
--3160065F9760066DA705
--
++(% _mstvisible="1" %)
++(((
++(% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
     Where : Start time: 60065F97 = time 21/1/19 04:27:03
++)))
--          Stop time 60066DA7= time 21/1/19 05:27:03
++(% _mstvisible="1" %)
++(((
++(% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
++          Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
++)))
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" %)
++
++)))
++(% _mstvisible="1" %)
++(((
++(% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
  LHT65N will uplink this payload.
++)))
--[[image:image-20220523001219-13.png]]
++(% _mstvisible="1" %)
++[[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
++(% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
 FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
  Where the first 11 bytes is for the first entry:
@@ -483,53 +483,100 @@
  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
--== Alarm Mode ==
++(% _mstvisible="1" style="text-align: left;" %)
++== (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
--Alarm mode feature is added since firmware v1.5. When device is in Alarm mode, it will check the built-in sensor temperature in a short interval. If the temperature exceeds the pre-configure range, it will send an uplink immediately.
++(% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
++when the device is in alarm mode, it checks the built-in sensor temperature for a short time. if the temperature exceeds the preconfigured range, it sends an uplink immediately.
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" style="text-align: left;" %)
++(% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
++)))
--Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
++(% _mstvisible="1" style="text-align: left;" %)
++(% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
++(% _mstvisible="1" class="box infomessage" %)
++(((
++(% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
++(% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%): Enable/disable alarm mode. (0: Disabled, 1: Enabled)
--AT Commands for Alarm mode:
++(% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
++(% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%): The interval between checking the alarm temperature. (In minutes)
--**AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
++(% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
++(% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%): Gets or sets the alarm range of the internal temperature sensor
--**AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
++(% _mstvisible="2" style="text-align: left;" %)
++(% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%): Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
++(% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
++(% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%): Set the internal temperature sensor alarm range from 45 to 105.
++)))
++(% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
++== (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
--== LED Indicator ==
++(% _mstvisible="1" %)
++(((
++(% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
++The LHT65 has a triple color LED which for easy showing different stage .
--The LHT65N has a triple color LED which for easy shows different stage.
++(% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
++While user press ACT button, the LED will work as per LED status with ACT button.
++)))
--While pressing ACT button, the LED will work as per LED status with ACT button.
--
++(% _mstvisible="1" %)
++(((
++(% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
  In a normal working state:
++)))
--* For each uplink, the BLUE LED or RED LED will blink once.
--* BLUE LED when an external sensor is connected
--* RED LED when an external sensor is not connected
--* For each success downlink, the PURPLE LED will blink once
++(% _mstvisible="1" %)
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
++For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
++(% _msthash="197771" _msttexthash="1202526" %)
++(% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
++RED LED when external sensor is not connected
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
++For each success downlink, the PURPLE LED will blink once
++)))
++
++(% _mstvisible="1" %)
  ----
--== Installation ==
++(% _mstvisible="1" style="text-align: left;" %)
++== (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
--[[image:image-20220516231650-1.png||height="436" width="428"]]
++(% _mstvisible="1" %)
++[[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
++(% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
++= (% _msthash="401388" _msttexthash="566956" _mstvisible="3" %)3. S(% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)ensors(% _msthash="401388" _msttexthash="40417" _mstvisible="3" %) and A(% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)ccessories(%%) =
++(% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
++== (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(%%) E3 Temperature Probe ==
++(% _mstvisible="1" %)
++[[image:image-20220515080154-4.png||_mstalt="434681" _mstvisible="3" alt="photo-20220515080154-4.png" height="182" width="161"]]              [[image:image-20220515080330-5.png||_mstalt="428792" _mstvisible="3" height="201" width="195"]]
--= Sensors & Accessories =
--== E3 Temperature Probe ==
++(% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
++Temperature sensor with 2 meters cable long
--[[image:image-20220515080154-4.png||height="182" width="161"]]              [[image:image-20220515080330-5.png||height="201" width="195"]]
--
--
--With Temperature sensor with 2 meters cable long
--
++(% _mstvisible="1" %)
  * Resolution: 0.0625 °C
  * ±0.5°C accuracy from -10°C to +85°C
  * ±2°C accuracy from -55°C to +125°C
@@ -537,411 +537,774 @@
  * -55°C to 125°C
  * Working voltage 2.35v ~~ 5v
--= Configure LHT65N via AT Command or LoRaWAN Downlink =
++(% _mstvisible="1" style="text-align: left;" %)
++= (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
++(% _mstvisible="1" %)
++(((
++(% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
++)))
--* AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
--* LoRaWAN Downlink instruction for different platforms:
++(% _mstvisible="1" %)
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
++AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903319" _msttexthash="2004301" _mstvisible="4" %)
++LoRaWAN Downlink instruction for different platforms:
++)))
--[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server>>url:http://wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server]]
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" style="text-align: left;" %)
++[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server>>url:http://wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server||_msthash="506247" _msttexthash="3599349" _mstvisible="3"]]
++)))
--
++(% _mstvisible="1" %)
++(((
++(% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
  There are two kinds of commands to configure LHT65N, they are:
++)))
--* **General Commands**.
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" style="text-align: left;" %)
++(% _msthash="506249" _msttexthash="317850" _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**General Commands**(% _msthash="506249" _msttexthash="317850" _mstvisible="3" style="color:#4f81bd" %).
++)))
++(% _mstvisible="1" %)
++(((
++(% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
  These commands are to configure:
++)))
--* General system settings like: uplink interval.
--* LoRaWAN protocol & radio-related commands.
++(% _mstvisible="1" %)
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
++General system settings like: uplink interval.
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
++LoRaWAN protocol & radio-related commands.
++)))
++(% _mstvisible="1" %)
++(((
++(% _msthash="506251" _msttexthash="8343023" _mstvisible="2" style="text-align: left;" %)
  They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
++)))
--[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" style="text-align: left;" %)
++[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command||_msthash="506252" _msttexthash="3434769" _mstvisible="3"]]
++)))
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" style="text-align: left;" %)
++(% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506253" _msttexthash="792038" _mstvisible="4" %)**Commands special design for LHT65N**
++)))
++(% _mstvisible="1" %)
++(((
++(% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
++These commands are only valid for LHT65N, as below:
++)))
--* **Commands special design for LHT65N**
++(% _mstvisible="1" style="text-align: left;" %)
++== (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
--These commands are only valid for LHT65N, as below:
++(% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
++Feature: Change LoRaWAN End Node Transmit Interval.
++(% _mstvisible="1" style="text-align: left;" %)
++(% _msthash="315356" _msttexthash="241696" _mstvisible="3" %)**AT Command: AT+TDC**
--== Set Transmit Interval Time ==
++(% _mstvisible="1" %)
++[[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
--Feature: Change LoRaWAN End Node Transmit Interval.
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" style="text-align: left;" %)
++(% _msthash="506255" _msttexthash="381992" _mstvisible="4" %)**Downlink Command: 0x01**
++)))
--**AT Command: AT+TDC**
++(% _mstvisible="1" %)
++(((
++(% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
++Format: Command Code (0x01) followed by 3 bytes time value.
++)))
--|**Command Example**|**Function**|**Response**
--|AT+TDC?|Show current transmit Interval|(((
--30000
++(% _mstvisible="1" %)
++(((
++(% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
++If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
++)))
--OK
++(% _mstvisible="1" %)
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
++(% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
++(% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
++)))
--the interval is 30000ms = 30s
++(% _mstvisible="1" style="text-align: left;" %)
++== (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
++
++(% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
++Feature: Change External Sensor Mode.
++
++(% _mstvisible="1" style="text-align: left;" %)
++(% _msthash="315358" _msttexthash="248118" _mstvisible="3" %)**AT Command: AT+EXT**
++
++(% _mstvisible="1" %)
++[[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
++
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" style="text-align: left;" %)
++(% _msthash="506258" _msttexthash="387855" _mstvisible="4" %)**Downlink Command: 0xA2**
  )))
--|AT+TDC=60000|Set Transmit Interval|(((
--OK
--Set transmit interval to 60000ms = 60 seconds
++(% _mstvisible="1" %)
++(((
++(% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
++Total bytes: 2 ~~ 5 bytes
  )))
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" %)
++(% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
++)))
--**Downlink Command: 0x01**
++(% _mstvisible="1" %)
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
++0xA201: Set external sensor type to E1
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
++0xA209: Same as AT+EXT=9
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
++0xA20702003c,Same as AT+SETCNT=60
++)))
--Format: Command Code (0x01) followed by 3 bytes time value.
++(% _mstvisible="1" style="text-align: left;" %)
++== (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
--If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
++(% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
++Feature: If PID is enabled, device will send the temperature probe ID on:
--* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
--* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
++(% _mstvisible="1" %)
++* First Packet after OTAA Join
++* Every 24 hours since the first packet.
++(% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
++PID is default set to disable (0)
--== Set External Sensor Mode ==
++(% _mstvisible="1" style="text-align: left;" %)
++(% _msthash="315361" _msttexthash="137488" _mstvisible="3" %)**AT Command:**
--Feature: Change External Sensor Mode.
++(% _mstvisible="1" %)
++[[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
--**AT Command: AT+EXT**
++(% _mstvisible="1" style="text-align: left;" %)
++(% _msthash="315362" _msttexthash="298038" _mstvisible="3" %)**Downlink Command:**
--|**Command Example**|**Function**|**Response**
--|AT+EXT?|Get current external sensor mode|(((
--1
++(% _mstvisible="1" %)
++* 0xA800     **~-~->** AT+PID=0
++* 0xA801     **~-~->** AT+PID=1
--OK
++(% _mstvisible="1" style="text-align: left;" %)
++== (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
--External Sensor mode =1
--)))
--|AT+EXT=1|(% colspan="2" %)Set external sensor mode to 1
--|AT+EXT=9|(% colspan="2" %)Set to external DS18B20 with timestamp
++(% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
++Feature: Set device password, max 9 digits
++(% _mstvisible="1" style="text-align: left;" %)
++(% _msthash="315364" _msttexthash="295009" _mstvisible="3" %)**AT Command: AT+PWORD**
--**Downlink Command: 0xA2**
++(% _mstvisible="1" %)
++[[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
--Total bytes: 2 ~~ 5 bytes
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" style="text-align: left;" %)
++(% _msthash="506261" _msttexthash="298038" _mstvisible="4" %)**Downlink Command:**
++)))
--Example:
++(% _mstvisible="1" %)
++(((
++(% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
++No downlink command for this feature.
++)))
--* 0xA201: Set external sensor type to E1
--* 0xA209: Same as AT+EXT=9
--* 0xA20702003c,Same as AT+SETCNT=60
++(% _mstvisible="1" style="text-align: left;" %)
++== (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
++(% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
++Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
--== Enable/Disable uplink Temperature probe ID ==
++(% _mstvisible="1" style="text-align: left;" %)
++(% _msthash="315366" _msttexthash="289120" _mstvisible="3" %)**AT Command: AT+DISAT**
--Feature: If PID is enabled, device will send the temperature probe ID on:
++(% _mstvisible="1" %)
++[[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
--* First Packet after OTAA Join
--* Every 24 hours since the first packet.
++(% _mstvisible="1" style="text-align: left;" %)
++(% _msthash="315367" _msttexthash="298038" _mstvisible="3" %)**Downlink Command:**
--PID is default set to disable (0)
++(% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
++No downlink command for this feature.
++(% _mstvisible="1" style="text-align: left;" %)
++== (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
--**AT Command:**
++(% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
++Feature: Set device to sleep mode
--|**Command Example**|**Function**|**Response**
--|AT+PID=1|Enable PID uplink|OK
++(% _mstvisible="1" style="text-align: left;" %)
++(% _msthash="315370" _msttexthash="289783" _mstvisible="3" %)**AT Command: AT+SLEEP**
++(% _mstvisible="1" %)
++[[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
--**Downlink Command:**
++(% _mstvisible="1" %)
++(% _msthash="315371" _msttexthash="298038" _mstvisible="3" %)**Downlink Command:**
--* 0xA800     à AT+PID=0
--* 0xA801     à AT+PID=1
++(% _mstvisible="1" %)
++* There is no downlink command to set to Sleep mode.
++(% _mstvisible="1" %)
++== (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
++(% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
++Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp" _mstvisible="2"]]
--== Set Password ==
++(% _mstvisible="1" %)
++(% _msthash="315373" _msttexthash="137488" _mstvisible="3" %)**AT Command:**
--Feature: Set device password, max 9 digits
++(% _mstvisible="1" %)
++[[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
--**AT Command: AT+PWORD**
++(% _mstvisible="1" %)
++(% _msthash="315374" _msttexthash="298038" _mstvisible="3" %)**Downlink Command:**
--|**Command Example**|**Function**|**Response**
--|AT+PWORD=?|Show password|(((
--123456
++(% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
++0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
++(% _mstvisible="1" %)
++== (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
--OK
++(% _mstvisible="1" %)
++(((
++(% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
++Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
  )))
--|AT+PWORD=999999|Set password|OK
++(% _mstvisible="1" %)
++(((
++(% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
++SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user need to set this to 0.
++)))
--**Downlink Command:**
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" %)
++(% _msthash="506265" _msttexthash="137488" _mstvisible="4" %)**AT Command:**
++)))
--No downlink command for this feature.
++(% _mstvisible="1" %)
++[[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
++(% _mstvisible="1" %)
++(% _msthash="315376" _msttexthash="298038" _mstvisible="3" %)**Downlink Command:**
--== Quit AT Command ==
++(% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
++0x28 01 ~/~/ Same As AT+SYNCMOD=1
--Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
++(% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
++0x28 00 ~/~/ Same As AT+SYNCMOD=0
--**AT Command: AT+DISAT**
++(% _mstvisible="1" %)
++== (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
--|**Command Example**|**Function**|**Response**
--|AT+DISAT|Quit AT Commands mode|OK
++(% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
++Feature: Define System time sync interval. SYNCTDC default value: 10 days.
++(% _mstvisible="1" %)
++(% _msthash="315380" _msttexthash="137488" _mstvisible="3" %)**AT Command:**
--**Downlink Command:**
++(% _mstvisible="1" %)
++[[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
--No downlink command for this feature.
++(% _mstvisible="1" %)
++(% _msthash="315381" _msttexthash="298038" _mstvisible="3" %)**Downlink Command:**
++(% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
++0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
--== Set to sleep mode ==
++(% _mstvisible="1" %)
++== (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
--Feature: Set device to sleep mode
++(% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
++Feature: Print the sector data from start page to stop page (max is 416 pages).
--**AT Command: AT+SLEEP**
++(% _mstvisible="1" %)
++(% _msthash="315384" _msttexthash="264953" _mstvisible="3" %)**AT Command: AT+PDTA**
--| | |
--|**Command Example**|**Function**|**Response**
--|AT+SLEEP|Set to sleep mode|(((
--Clear all stored sensor data…
++(% _mstvisible="1" %)
++[[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
--OK
--)))
++(% _mstvisible="1" %)
++(% _msthash="315385" _msttexthash="298038" _mstvisible="3" %)**Downlink Command:**
++(% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
++No downlink commands for feature
--**Downlink Command:**
++(% _mstvisible="1" %)
++== (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
--* There is no downlink command to set to Sleep mode.
++(% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
++Feature: Print the last few data entries
++(% _mstvisible="1" %)
++(% _msthash="315388" _msttexthash="288522" _mstvisible="3" %)**AT Command: AT+PLDTA**
++(% _mstvisible="1" %)
++[[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
--== Set system time ==
++(% _mstvisible="1" %)
++(% _msthash="315389" _msttexthash="298038" _mstvisible="3" %)**Downlink Command:**
--Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
++(% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
++No downlink commands for feature
--**AT Command:**
++(% _mstvisible="1" %)
++== (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
--|**Command Example**|**Function**
--|AT+TIMESTAMP=1611104352|(((
--OK
++(% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
++Feature: Clear flash storage for data log feature.
--Set System time to 2021-01-20 00:59:12
++(% _mstvisible="1" %)
++(% _msthash="315392" _msttexthash="311415" _mstvisible="3" %)**AT Command: AT+CLRDTA**
++
++(% _mstvisible="1" %)
++[[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
++
++(% _mstvisible="1" %)
++(% _msthash="315393" _msttexthash="388193" _mstvisible="3" %)**Downlink Command: 0xA3**
++
++(% _mstvisible="1" %)
++* Example: 0xA301   ~/~/Same as AT+CLRDTA
++
++(% _mstvisible="1" %)
++== (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
++
++(% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
++Feature: LHT65N will wait for ACK for each uplink, If LHT65N doesn't get ACK from the IoT server, it will consider the message doesn't arrive server and store it. LHT65N keeps sending messages in normal periodically. Once LHT65N gets ACK from a server, it will consider the network is ok and start to send the not-arrive message.
++
++
++(% _mstvisible="1" %)
++(% _msthash="315395" _msttexthash="334256" _mstvisible="3" %)**AT Command: AT+PNACKMD**
++
++(% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
++The default factory setting is 0
++
++(% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
++(% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 171px;" %)(% _msthash="1231737" _msttexthash="251862" _mstvisible="6" %)**Command Example**|=(% _mstvisible="4" style="width: 219px;" %)(% _msthash="1231738" _msttexthash="116025" _mstvisible="6" %)**Function**|=(% _mstvisible="4" style="width: 119px;" %)(% _msthash="1231739" _msttexthash="116831" _mstvisible="6" %)**Response**
++(% _mstvisible="3" %)|(% _msthash="1231321" _msttexthash="130455" _mstvisible="4" style="width:171px" %)AT+PNACKMD=1|(% _msthash="1231322" _msttexthash="377026" _mstvisible="4" style="width:219px" %)Poll None-ACK message|(% _msthash="1231323" _msttexthash="14989" _mstvisible="4" style="width:119px" %)OK
++
++(% _mstvisible="1" %)
++(% _msthash="315397" _msttexthash="383981" _mstvisible="3" %)**Downlink Command: 0x34**
++
++(% _mstvisible="1" %)
++* Example: 0x3401   ~/~/Same as AT+PNACKMD=1
++
++(% _mstvisible="1" %)
++= (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
++
++(% _mstvisible="1" %)
++== (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
++
++(% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
++LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters.
++
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" %)
++The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
++[[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
  )))
++(% _mstvisible="1" %)
++(((
++(% _mstvisible="2" %)
++The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
++
++)))
--**Downlink Command:**
++(% _mstvisible="1" %)
++== (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
--0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
++(% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
++LHT65N has two screws on the back, Unscrew them, and changing the battery inside is ok. The battery is a general CR17450 battery. Any brand should be ok.
++(% _mstvisible="1" %)
++[[image:image-20220515075440-2.png||_mstalt="429546" _mstvisible="3" height="338" width="272"]][[image:image-20220515075625-3.png||_mstalt="431574" _mstvisible="3" height="193" width="257"]]
--== Set Time Sync Mode ==
++(% _mstvisible="1" %)
++== (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
--Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
++(% _mstvisible="1" %)
++(((
++(% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
++Dragino battery-powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimated battery life:
++[[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
--SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user need to set this to 0.
++(% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
++= (% _msthash="183170" _msttexthash="163566" _mstvisible="3" %)6. FAQ(%%) =
++(% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
++== 6.1 How to use AT Command? ==
--**AT Command:**
++LHT65N supports AT Command set.User can use a USB to TTL adapter plus the Program Cable to
--|**Command Example**|**Function**
--|AT+SYNCMOD=1|Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
++connect to LHT65 for using AT command, as below.
++[[image:image-20220530085651-1.png]]
--**Downlink Command:**
--0x28 01 ~/~/ Same As AT+SYNCMOD=1
++Connection:
--0x28 00 ~/~/ Same As AT+SYNCMOD=0
++✓ USB to TTL GND <~-~->GND
++✓ USB to TTL RXD <~-~-> D+
--== Set Time Sync Interval ==
++✓ USB to TTL TXD <~-~-> A11
--Feature: Define System time sync interval. SYNCTDC default value: 10 days.
++✓ USB to TTL 3.3V <~-~-> D-
--**AT Command:**
++In PC, User needs to set serial tool(such as **putty**, SecureCRT) baud rate to **9600** to access to
--|**Command Example**|**Function**
--|AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
++access serial console for LHT65N. The AT commands are disable by default and need to enter
++password (default:**123456**) to active it. Timeout to input AT Command is 5 min, after 5-minute,
--**Downlink Command:**
++user need to input password again. User can use AT+DISAT command to disable AT command
--0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
++before timeout.
++Input password and ATZ to activate LHT65N,As shown below:
--== Print data entries base on page. ==
++[[image:image-20220530095701-4.png]]
--Feature: Print the sector data from start page to stop page (max is 416 pages).
--**AT Command: AT+PDTA**
++AT Command List is as below:
--|**Command Example**|**Response**
--|(((
--AT+PDTA=1,3
++AT+<CMD>? : Help on <CMD>
++AT+<CMD> : Run <CMD>
++AT+<CMD>=<value> : Set the value
--Print page 1 to 3
--)))|(((
--8019500 19/6/26 16:48 1 2992 sht_temp=28.21 sht_hum=71.5 ds_temp=27.31
++AT+<CMD>=? : Get the value
--8019510 19/6/26 16:53 1 2994 sht_temp=27.64 sht_hum=69.3 ds_temp=26.93
++AT+DEBUG:Set more info output
--8019520 19/6/26 16:58 1 2996 sht_temp=28.39 sht_hum=72.0 ds_temp=27.06
++ATZ: Trig a reset of the MCU
--8019530 19/6/26 17:03 1 2996 sht_temp=27.97 sht_hum=70.4 ds_temp=27.12
++AT+FDR: Reset Parameters to Factory Default, Keys Reserve
--8019540 19/6/26 17:08 1 2996 sht_temp=27.80 sht_hum=72.9 ds_temp=27.06
++AT+DEUI: Get or Set the Device EUI
--8019550 19/6/26 17:13 1 2998 sht_temp=27.30 sht_hum=72.4 ds_temp=26.68
++AT+DADDR: Get or Set the Device Address
--8019560 19/6/26 17:22 1 2992 sht_temp=26.27 sht_hum=62.3 ds_temp=26.56
++AT+APPKEY: Get or Set the Application Key
--8019570
++AT+NWKSKEY: Get or Set the Network Session Key
--8019580
++AT+APPSKEY: Get or Set the Application Session Key
--8019590
++AT+APPEUI: Get or Set the Application EUI
--80195A0
++AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
--80195B0
++AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
--80195C0
++AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
--80195D0
++AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
--80195E0
++AT+PNM: Get or Set the public network mode. (0: off, 1: on)
--80195F0
++AT+RX2FQ: Get or Set the Rx2 window frequency
++AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
--OK
--)))
++AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
++AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
--**Downlink Command:**
++AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1
--No downlink commands for feature
++in ms
++AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2
++in ms
--== Print last few data entries. ==
++AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
--Feature: Print the last few data entries
++AT+NWKID: Get or Set the Network ID
--**AT Command: AT+PLDTA**
++AT+FCU: Get or Set the Frame Counter Uplink
--|**Command Example**|**Response**
--|(((
--AT+PLDTA=5
++AT+FCD: Get or Set the Frame Counter Downlink
++AT+CLASS: Get or Set the Device Class
++AT+JOIN: Join network
--Print last 5 entries
--)))|(((
--Stop Tx and RTP events when read sensor data
++AT+NJS: Get the join status
--1 19/6/26 13:59 1 3005 sht_temp=27.09 sht_hum=79.5 ds_temp=26.75
++AT+SENDB: Send hexadecimal data along with the application port
--2 19/6/26 14:04 1 3007 sht_temp=26.65 sht_hum=74.8 ds_temp=26.43
++AT+SEND: Send text data along with the application port
--3 19/6/26 14:09 1 3007 sht_temp=26.91 sht_hum=77.9 ds_temp=26.56
++AT+RECVB: Print last received data in binary format (with hexadecimal values)
--4 19/6/26 14:15 1 3007 sht_temp=26.93 sht_hum=76.7 ds_temp=26.75
++AT+RECV: Print last received data in raw format
--5 19/6/26 14:20 1 3007 sht_temp=26.78 sht_hum=76.6 ds_temp=26.43
++AT+VER: Get current image version and Frequency Band
--Start Tx and RTP events
++AT+CFM: Get or Set the confirmation mode (0-1)
--OK
--)))
++AT+CFS: Get confirmation status of the last AT+SEND (0-1)
++AT+SNR: Get the SNR of the last received packet
--**Downlink Command:**
++AT+RSSI: Get the RSSI of the last received packet
--No downlink commands for feature
++AT+TDC: Get or set the application data transmission interval in ms
++AT+PORT: Get or set the application port
++AT+DISAT: Disable AT commands
--== Clear Flash Record ==
++AT+PWORD: Set password, max 9 digits
--Feature: Clear flash storage for data log feature.
++AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
--**AT Command: AT+CLRDTA**
++AT+CHE: Get or Set eight channels mode,Only for US915,AU915,CN470
--|**Command Example**|**Function**|**Response**
--|AT+CLRDTA|Clear date record|(((
--Clear all stored sensor data…
++AT+PDTA: Print the sector data from start page to stop page
--OK
--)))
++AT+PLDTA: Print the last few sets of data
++AT+CLRDTA: Clear the storage, record position back to 1st
--**Downlink Command: 0xA3**
++AT+SLEEP: Set sleep mode
--* Example: 0xA301   ~/~/Same as AT+CLRDTA
++AT+EXT: Get or Set external sensor model
++AT+BAT: Get the current battery voltage in mV
++AT+CFG: Print all configurations
++AT+WMOD: Get or Set Work Mode
--= Battery & How to replace =
++AT+ARTEMP: Get or set the internal Temperature sensor alarm range
--== Battery Type ==
++AT+CITEMP: Get or set the internal Temperature sensor collection interval in min
--LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters.
++AT+SETCNT:Set the count at present
--The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
--[[image:image-20220515075034-1.png||height="208" width="644"]]
++AT+RJTDC: Get or set the ReJoin data transmission interval in min
++AT+RPL: Get or set response level
--The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
--
++AT+TIMESTAMP: Get or Set UNIX timestamp in second
--== Replace Battery ==
++AT+LEAPSEC: Get or Set Leap Second
--LHT65N has two screws on the back, Unscrew them, and changing the battery inside is ok. The battery is a general CR17450 battery. Any brand should be ok.
++AT+SYNCMOD: Get or Set time synchronization method
--[[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
++AT+SYNCTDC: Get or set time synchronization interval in day
++AT+PID: Get or set the PID
--== Battery Life Analyze ==
++
++)))
--Dragino battery-powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimated battery life:
--https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
++(% _mstvisible="1" %)
++= (% _msthash="183170" _msttexthash="163566" _mstvisible="3" %)7. Order Info(%%) =
++(% _mstvisible="1" %)
++(((
++(% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
++Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
++)))
--= Order Info =
++(% _mstvisible="1" %)
++(((
++(% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
++(% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
++)))
--Part Number: (% class="mark" %)**LHT65N-XX**
++(% _mstvisible="1" %)
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
++(% _mstvisible="6" style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
++(% _mstvisible="6" style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
++(% _mstvisible="6" style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
++(% _mstvisible="6" style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
++(% _mstvisible="6" style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
++(% _mstvisible="6" style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
++(% _mstvisible="6" style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
++(% _mstvisible="6" style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
++)))
--**XX**: The default frequency band
++(% _mstvisible="1" %)
++(((
++(% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
++(% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
++)))
--* **AS923**: LoRaWAN AS923 band
--* **AU915**: LoRaWAN AU915 band
--* **EU433**: LoRaWAN EU433 band
--* **EU868**: LoRaWAN EU868 band
--* **KR920**: LoRaWAN KR920 band
--* **US915**: LoRaWAN US915 band
--* **IN865**: LoRaWAN IN865 band
--* **CN470**: LoRaWAN CN470 band
++(% _mstvisible="1" %)
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
++(% _mstvisible="6" style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
--**YY**: Sensor Accessories
--* **E3**: External Temperature Probe
++(% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
++
++)))
--= Packing Info =
++(% _mstvisible="1" %)
++= (% _msthash="233363" _msttexthash="211237" _mstvisible="3" %)8. Packing Info(%%) =
--**Package Includes**:
++(% _mstvisible="1" %)
++(((
++(% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
++(% _mstvisible="3" %)**Package Includes**(%%):
++)))
--* LHT65N Temperature & Humidity Sensor x 1
--* Program cable x 1
--* Optional external sensor
++(% _mstvisible="1" %)
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
++LHT65N Temperature & Humidity Sensor x 1
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903337" _msttexthash="242567" _mstvisible="4" %)
++Program cable x 1
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
++Optional external sensor
++)))
--**Dimension and weight**:
++(% _mstvisible="1" %)
++(((
++(% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
++(% _mstvisible="3" %)**Dimension and weight**(%%):
++)))
--* Device Size:  13.5 x 7 x 3 cm
--* Device Weight: 105g
--* Package Size / pcs : 14.5 x 8 x 5 cm
--* Weight / pcs : 170g
++(% _mstvisible="1" %)
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
++Device Size:  13.5 x 7 x 3 cm
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
++Device Weight: 105g
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903341" _msttexthash="562926" _mstvisible="4" %)
++Package Size / pcs : 14.5 x 8 x 5 cm
++)))
++* (% _mstvisible="3" %)
++(((
++(% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
++Weight / pcs : 170g
--= FCC Warning =
++(% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
++
++)))
++
++(% _mstvisible="1" %)
++= (% _msthash="198744" _msttexthash="178776" _mstvisible="3" %)9. FCC Warning(%%) =
++
++(% _mstvisible="1" %)
++(((
++(% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
++)))
--(1) This device may not cause harmful interference, and
++(% _mstvisible="1" %)
++(((
++(% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
++(1) This device may not cause harmful interference；
++)))
--(2) this device must accept any interference received, including interference that may cause undesired operation
++(% _mstvisible="1" %)
++(((
++(% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
++(2) this device must accept any interference received, including interference that may cause undesired operation.
++)))

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Changes for page LHT52 - LoRaWAN Temperature & Humidity Sensor User Manual

Summary

Details

Applications

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