Changes for page LHT65N -- Manual do sensor de temperatura e umidade LoRaWAN

Last modified by Xiaoling on 2023/07/18 10:12

From 189.6 to 189.5 From 198.3 to 198.2

From version 198.2

edited by Xiaoling
on 2022/09/06 14:22

Change comment: There is no comment for this version

To version 189.6

edited by Xiaoling
on 2022/07/22 10:36

Change comment: There is no comment for this version

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@@ -1,5 +1,5 @@
  (% style="text-align:center" %)
--[[image:image-20220613162008-1.png||_mstalt="428142" height="510" width="334"]]
++[[image:image-20220613162008-1.png||_mstalt="428142" height="579" width="379"]]
@@ -16,7 +16,6 @@
  = 1. Introduction =
--
  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
@@ -45,10 +45,8 @@
  )))
--
  == 1.2 Features ==
--
  * Wall mountable
  * LoRaWAN v1.0.3 Class A protocol
  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
@@ -59,13 +59,15 @@
  * Built-in Temperature & Humidity sensor
  * Optional External Sensors
  * Tri-color LED to indicate working status
--* Datalog feature (Max 3328 records)
++* Datalog feature
++
++
  == 1.3 Specification ==
--(% style="color:#037691" %)**Built-in Temperature Sensor:**
++**Built-in Temperature Sensor:**
  * Resolution: 0.01 °C
  * Accuracy Tolerance : Typ ±0.3 °C
@@ -72,7 +72,7 @@
  * Long Term Drift: < 0.02 °C/yr
  * Operating Range: -40 ~~ 85 °C
--(% style="color:#037691" %)**Built-in Humidity Sensor:**
++**Built-in Humidity Sensor:**
  * Resolution: 0.04 %RH
  * Accuracy Tolerance : Typ ±3 %RH
@@ -79,7 +79,7 @@
  * Long Term Drift: < 0.02 °C/yr
  * Operating Range: 0 ~~ 96 %RH
--(% style="color:#037691" %)**External Temperature Sensor:**
++**External Temperature Sensor:**
  * Resolution: 0.0625 °C
  * ±0.5°C accuracy from -10°C to +85°C
@@ -87,12 +87,12 @@
  * Operating Range: -55 °C ~~ 125 °C
--= 2. Connect LHT65N to IoT Server =
++= 2. Connect LHT65N to IoT Server =
++
  == 2.1 How does LHT65N work? ==
--
  (((
  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.
  )))
@@ -102,10 +102,8 @@
  )))
--
  == 2.2 How to Activate LHT65N? ==
--
  (((
  The LHT65N has two working modes:
  )))
@@ -130,7 +130,6 @@
  == 2.3 Example to join LoRaWAN network ==
--
  (% _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.
@@ -146,7 +146,6 @@
  === 2.3.1 Step 1: Create Device n TTN ===
--
  (((
  Create a device in TTN V3 with the OTAA keys from LHT65N.
  )))
@@ -188,7 +188,6 @@
  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
--
  (((
  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.
  )))
@@ -200,7 +200,6 @@
  == 2.4 Uplink Payload ==
--
  (((
  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.
  )))
@@ -275,13 +275,12 @@
  * The First 6 bytes: has fix meanings for every LHT65N.
  * The 7th byte (EXT #): defines the external sensor model.
--* 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.)
++* 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.)
  === 2.4.1 Decoder in TTN V3 ===
--
  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.
  Below is the position to put the decoder and LHT65N decoder can be download from here:
@@ -297,7 +297,6 @@
  === 2.4.2 BAT-Battery Info ===
--
  These two bytes of BAT include the battery state and the actually voltage
  [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
@@ -315,12 +315,10 @@
  === 2.4.3 Built-in Temperature ===
--
  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
  * Temperature:  0x0ABB/100=27.47℃
--
  [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
  * Temperature:  (0xF5C6-65536)/100=-26.18℃
@@ -329,7 +329,6 @@
  === 2.4.4 Built-in Humidity ===
--
  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
  * Humidity:    0x025C/10=60.4%
@@ -338,7 +338,6 @@
  === 2.4.5 Ext # ===
--
  Bytes for External Sensor:
  [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
@@ -347,7 +347,6 @@
  === 2.4.6 Ext value ===
--
  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
@@ -371,7 +371,6 @@
  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
--
  (((
  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:
  )))
@@ -494,11 +494,8 @@
  * (% style="color:blue" %)**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)
--
--
  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
--
  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
  be used to power the external ADC sensor; user can control the power on time for this
@@ -505,7 +505,7 @@
  sensor by setting:
--AT+EXT=6,timeout          (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms**
++AT+EXT=6,timeout          (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
  For example:
@@ -528,7 +528,6 @@
  When the voltage collected by ADC_IN1 is less than the minimum range, the minimum range will be used as the output; Similarly, when the collected voltage is greater than the maximum range, the maximum range will be used as the output.
--
 ) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
  [[image:image-20220628151005-5.png]]
@@ -545,168 +545,8 @@
--==== 2.4.6.4 Ext~=2 TMP117 Sensor （since v1.3） ====
--
--
--**Ext=2,Temperature Sensor(TMP117)：**
--
--[[image:image-20220906102307-7.png]]
--
--
--(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
--
--The external cable NE2 can be use for MOD4 and MOD8
--
--
--
--
--==== 2.4.6.5 Ext~=4 Interrupt Mode （since v1.3） ====
--
--
--(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
--
--
--(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
--
--**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
--
-- In Open State, the power consumption is the same as if there is no probe
--
-- In Close state, the power consumption will be 3uA higher than normal.
--
--[[image:image-20220906100852-1.png||height="205" width="377"]]
--
--
--Ext=4,Interrupt Sensor：
--
--(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
--|(% style="width:117px" %)(((
--AT+EXT=4,1
--)))|(% style="width:371px" %)(((
--Sent uplink packet in both rising and falling interrupt
--)))
--|(% style="width:117px" %)(((
--AT+EXT=4,2
--)))|(% style="width:371px" %)(((
--Sent uplink packet only in falling interrupt
--)))
--|(% style="width:117px" %)(((
--AT+EXT=4,3
--)))|(% style="width:371px" %)(((
--Sent uplink packet only in rising interrupt
--)))
--
--Trigger by falling edge:
--
--[[image:image-20220906101145-2.png]]
--
--
--Trigger by raising edge：
--
--[[image:image-20220906101145-3.png]]
--
--
--
--
--==== 2.4.6.6 Ext~=8 Counting Mode（since v1.3） ====
--
--
--(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
--
--
--(% style="color:blue" %)**Case 1**(%%):  Low power consumption Flow Sensor, such flow sensor has pulse output and the power consumption in uA level and can be powered by LHT65N.
--
--[[image:image-20220906101320-4.png||height="366" width="698"]]
--
--
--(% style="color:blue" %)**Case 2**(%%):  Normal Flow Sensor: Such flow sensor has higher power consumption and is not suitable to be powered by LHT65N. It is powered by external power and output <3.3v pulse
--
--[[image:image-20220906101320-5.png||height="353" width="696"]]
--
--Ext=8, Counting Sensor ( 4 bytes)：
--
--(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
--|(% style="width:138px" %)(((
--AT+EXT=8,0
--)))|(% style="width:240px" %)(((
--Count at falling interrupt
--)))
--|(% style="width:138px" %)(((
--AT+EXT=8,1
--)))|(% style="width:240px" %)(((
--Count at rising interrupt
--)))
--|(% style="width:138px" %)(((
--AT+SETCNT=60
--)))|(% style="width:240px" %)(((
--Sent current count to 60
--)))
--
--[[image:image-20220906101320-6.png]]
--
--
--(% style="color:blue" %)**A2 downlink Command：**
--
--A2 02:             Same as AT+EXT=2   (AT+EXT= second byte)
--
--A2 06 01 F4:   Same as AT+EXT=6,500  (AT+EXT= second byte, third and fourth bytes)
--
--A2 04 02:        Same as AT+EXT=4,2  (AT+EXT= second byte, third byte)
--
--A2 08 01 00:   Same as AT+EXT=8,0  (AT+EXT= second byte, fourth byte)
--
--A2 08 02 00 00 00 3C:    Same as AT+ SETCNT=60  (AT+ SETCNT = 4th byte and 5th byte and 6th byte and 7th byte)
--
--
--(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
--
--
--(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
--
--(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
--
--0): Cancel
--
--1): Threshold alarm
--
--2): Fluctuation alarm
--
--
--(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
--
--(% style="color:red" %)**Note: When the collection time is less than 60 seconds and always exceeds the set alarm threshold, the sending interval will not be the collection time, but will be sent every 60 seconds.**
--
--
--(% style="color:#037691" %) **Parameter 3 and parameter 4:**
--
--1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
--
--Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
--
--
--2):  If Alarm Mode is set to 2: Parameter 3 is valid, which represents the difference between the currently collected temperature and the last uploaded temperature.
--
--Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
--
--If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
--
--
--(% style="color:blue" %)** Downlink:**
--
--0xA5 00 ~-~- AT+WMOD=0.
--
--0xA5 01 0A 11 94 29 04 ~-~- AT+WMOD=1,10,45,105  (AT+WMOD = second byte, third byte, fourth and fifth bytes divided by 100, sixth and seventh bytes divided by 100 )
--
--0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
--
--0xA5 FF ~-~- After the device receives it, upload the current alarm configuration (FPORT=8). Such as 01 0A 11 94 29 04 or 02 0A 02.
--
--
--
--
  == 2.5 Show data on Datacake ==
--
  (((
  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:
  )))
@@ -754,7 +754,6 @@
  == 2.6 Datalog Feature ==
--
  (((
  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.
  )))
@@ -763,11 +763,10 @@
  === 2.6.1 Ways to get datalog via LoRaWAN ===
--
  There are two methods:
 .  IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying 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 mark these records with non-ack message and store the sensor data, and it will send all messages (10s interval) after the network recovery. note: a) LHT65N will do ack check for data records sending to make sure every data arrive server. b) LHT65N will send data in CONFIRMED Mode when PNACKMD=1, but it won't re-transmit the same packet , it will just mark it as NONE-ACK and resend after network is detected.
++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 the network recovery.
  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
@@ -796,7 +796,6 @@
  === 2.6.3 Set Device Time ===
--
  (((
  There are two ways to set device's time:
  )))
@@ -814,7 +814,7 @@
  )))
  (((
--(% style="color:red" %)**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.**
++(% style="color:red" %)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.
  )))
  (((
@@ -833,7 +833,6 @@
  === 2.6.4 Poll sensor value ===
--
  User can poll sensor value based on timestamps from the server. Below is the downlink command.
  [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
@@ -851,7 +851,6 @@
  === 2.6.5 Datalog Uplink payload ===
--
  (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
  The Datalog poll reply uplink will use below payload format.
@@ -858,9 +858,6 @@
  (% _mstvisible="1" %)
  (((
  (% _mstvisible="2" %)
--
--
--(% _mstvisible="2" %)
  (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
  )))
@@ -1123,7 +1123,7 @@
  (% _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
++          Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
  )))
  (% _mstvisible="1" %)
@@ -1185,15 +1185,12 @@
  == 2.7 Alarm Mode ==
--
  (((
  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.
  )))
  (((
--(% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
--
--
++(% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
  )))
  (((
@@ -1238,10 +1238,8 @@
  TEMPhigh=003C
--
  == 2.8 LED Indicator ==
--
  The LHT65 has a triple color LED which for easy showing different stage .
  While user press ACT button, the LED will work as per LED status with ACT button.
@@ -1253,9 +1253,11 @@
  * RED LED when external sensor is not connected
  * For each success downlink, the PURPLE LED will blink once
--== 2.9 installation ==
++
++== 2.9 installation ==
++
  (% _mstvisible="1" %)
  [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
@@ -1265,10 +1265,8 @@
  == 3.1 E2 Extension Cable ==
--
  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
--
  **1m long breakout cable for LHT65N. Features:**
  * (((
@@ -1285,9 +1285,6 @@
  )))
  * (((
  Exposed All pins from the LHT65N Type-C connector.
--
--
--
  )))
  [[image:image-20220619092421-3.png||height="371" width="529"]]
@@ -1309,9 +1309,11 @@
  * Operating Range: -40 ~~ 125 °C
  * Working voltage 2.35v ~~ 5v
--= 4. Configure LHT65N via AT command or LoRaWAN downlink =
++
++= 4. Configure LHT65N via AT command or LoRaWAN downlink =
++
  (((
  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
  )))
@@ -1356,13 +1356,10 @@
  )))
--
  == 4.1 Set Transmit Interval Time ==
--
  Feature: Change LoRaWAN End Node Transmit Interval.
--
  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
@@ -1378,12 +1378,13 @@
  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
--== 4.2 Set External Sensor Mode ==
--Feature: Change External Sensor Mode.
++== 4.2 Set External Sensor Mode ==
++Feature: Change External Sensor Mode.
++
  (% style="color:#4f81bd" %)**AT Command: AT+EXT**
  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
@@ -1401,9 +1401,11 @@
  * 0xA20702003c: Same as AT+SETCNT=60
--== 4.3 Enable/Disable uplink Temperature probe ID ==
++
++== 4.3 Enable/Disable uplink Temperature probe ID ==
++
  (((
  Feature: If PID is enabled, device will send the temperature probe ID on:
  )))
@@ -1417,8 +1417,6 @@
  (((
  PID is default set to disable (0)
--
--
  )))
  (% style="color:#4f81bd" %)**AT Command:**
@@ -1431,12 +1431,13 @@
  * **0xA800**     **~-~->** AT+PID=0
  * **0xA801**     **~-~->** AT+PID=1
--== 4.4 Set Password ==
--Feature: Set device password, max 9 digits
++== 4.4 Set Password ==
++Feature: Set device password, max 9 digits
++
  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
@@ -1450,10 +1450,8 @@
  == 4.5 Quit AT Command ==
--
  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
--
  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
  [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
@@ -1467,7 +1467,6 @@
  == 4.6 Set to sleep mode ==
--
  Feature: Set device to sleep mode
  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
@@ -1482,12 +1482,13 @@
  * There is no downlink command to set to Sleep mode.
--== 4.7 Set system time ==
--Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
++== 4.7 Set system time ==
++Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
++
  (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
@@ -1501,7 +1501,6 @@
  == 4.8 Set Time Sync Mode ==
--
  (((
  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
  )))
@@ -1508,8 +1508,6 @@
  (((
  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="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
@@ -1526,10 +1526,8 @@
  == 4.9 Set Time Sync Interval ==
--
  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
--
  (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
  [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
@@ -1543,10 +1543,8 @@
  == 4.10 Print data entries base on page. ==
--
  Feature: Print the sector data from start page to stop page (max is 416 pages).
--
  (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
  [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
@@ -1560,10 +1560,8 @@
  == 4.11 Print last few data entries. ==
--
  Feature: Print the last few data entries
--
  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
@@ -1577,7 +1577,6 @@
  == 4.12 Clear Flash Record ==
--
  Feature: Clear flash storage for data log feature.
@@ -1590,13 +1590,14 @@
  * Example: 0xA301   ~/~/Same as AT+CLRDTA
--== 4.13 Auto Send None-ACK messages ==
++
++== 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.
--
  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
@@ -1610,11 +1610,13 @@
  * Example: 0x3401   ~/~/Same as AT+PNACKMD=1
++
++
++
  = 5. Battery & How to replace =
  == 5.1 Battery Type ==
--
  (((
  (((
  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.
@@ -1635,10 +1635,8 @@
  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
--
  == 5.2 Replace Battery ==
--
  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.
  [[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"]]
@@ -1646,7 +1646,6 @@
  == 5.3 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>>https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
@@ -1664,10 +1664,8 @@
  = 6. FAQ =
--
  == 6.1 How to use AT Command? ==
--
  LHT65N supports AT Command set.User can use a USB to TTL adapter plus the Program Cable to connect to LHT65 for using AT command, as below.
  [[image:image-20220530085651-1.png||_mstalt="429949"]]
@@ -1886,43 +1886,40 @@
  AT+PID:                Get or set the PID
--
  == 6.2 Where to use AT commands and Downlink commands ==
++(% _msthash="506131" _msttexthash="14585714" %)
++AT commands：
--**AT commands：**
--
  [[image:image-20220620153708-1.png||height="603" width="723"]]
++(% _msthash="506132" _msttexthash="337922" %)
++Downlink commands:
--**Downlink commands:**
++(% _msthash="506133" _msttexthash="33046" %)
++**TTN:**
--
--(% style="color:blue" %)**TTN:**
--
  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
++(% _msthash="506134" _msttexthash="11113791" %)
++**Helium：**
--(% style="color:blue" %)**Helium：**
--
  [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
++(% _msthash="506135" _msttexthash="4159844" %)
++**Chirpstack:The downlink window will not be displayed until the network is accessed**
--(% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
--
--
  [[image:image-20220615094850-6.png||_mstalt="433082"]]
--
  [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
++(% _msthash="506136" _msttexthash="39286" %)
++**Aws:**
--(% style="color:blue" %)**Aws:**
--
  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
@@ -1929,7 +1929,6 @@
  == 6.3 How to change the uplink interval？ ==
--
  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/||_msthash="506137" _msttexthash="5712018"]]
@@ -1936,7 +1936,6 @@
  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
--
  [[image:image-20220615153355-1.png]]
  [[image:1655802313617-381.png]]
@@ -1993,16 +1993,13 @@
  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
--
  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
--
  [[image:image-20220623110706-1.png]]
  [[image:image-20220623112117-4.png||height="459" width="343"]]
--
  (((
  In PC, User needs to set serial tool(such as [[**putty**>>https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600** (%%)to access to access serial console for LHT65N. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**(% style="color:red" %))(%%) to active it. Timeout to input AT Command is 5 min, after 5-minute, user need to input password again. User can use AT+DISAT command to disable AT command before timeout.
  )))
@@ -2013,13 +2013,10 @@
  [[image:image-20220615154519-3.png||height="672" width="807"]]
--
  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
--
  [[image:image-20220623110706-1.png]]
--
  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
  [[image:image-20220615170542-5.png]]
@@ -2036,7 +2036,6 @@
  (% _msthash="506146" _msttexthash="52173160" %)
  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
--
  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
  [[image:image-20220615171334-6.png]]
@@ -2053,7 +2053,6 @@
  Finally,restart reset device again
--
  = 7. Order Info =
@@ -2081,6 +2081,9 @@
  * (% style="color:red" %)**E3**(%%): External Temperature Probe
++
++
++
  = 8. Packing Info =
@@ -2094,14 +2094,18 @@
  * Device Size:  10 x 10 x 3.5 cm
  * Device Weight: 120.5g
--= 9. Reference material =
++
++= 9. Reference material =
++
  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
--= 10. FCC Warning =
++
++= 10. FCC Warning =
++
  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；

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