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

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

From 170.20 to 170.19 From 177.1 to 176.1

From version 176.1

edited by Bei Jinggeng
on 2022/06/23 11:43

Change comment: There is no comment for this version

To version 170.20

edited by Xiaoling
on 2022/06/22 11:01

Change comment: There is no comment for this version

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@@ -1,1 +1,1 @@
--XWiki.Bei
++XWiki.Xiaoling

Content

@@ -18,30 +18,17 @@
  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
--
--(((
  The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% style="color:#4f81bd" %)**Temperature Sensor.**
--)))
--(((
  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.
--)))
--(((
  LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
--)))
--(((
  LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
--)))
--(((
  LHT65N supports (% 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.
--)))
--(((
  *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
--)))
  == 1.2 Features ==
@@ -58,9 +58,6 @@
  * Tri-color LED to indicate working status
  * Datalog feature
--
--
--
  == 1.3 Specification ==
@@ -85,38 +85,23 @@
  * ±2°C accuracy from -55°C to +125°C
  * Operating Range: -55 °C ~~ 125 °C
--
--
--
  = 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.
--)))
--(((
  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.
--)))
  == 2.2 How to Activate LHT65N? ==
--(((
  The LHT65N has two working modes:
--)))
--* (((
--(% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
--)))
--* (((
--(% style="color:blue" %)**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, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode.
--)))
++* (% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
++* (% style="color:blue" %)**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, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode.
--(((
  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||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
@@ -271,6 +271,7 @@
++
  === 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.
@@ -314,7 +314,6 @@
  * Temperature:  (0xF5C6-65536)/100=-26.18℃
--
  === 2.4.4 Built-in Humidity ===
  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
@@ -322,7 +322,6 @@
  * Humidity:    0x025C/10=60.4%
--
  === 2.4.5 Ext # ===
  Bytes for External Sensor:
@@ -551,8 +551,6 @@
 .  IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
 .  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.
--
--
  === 2.6.2 Unix TimeStamp ===
@@ -575,37 +575,20 @@
  === 2.6.3 Set Device Time ===
--(((
  There are two ways to set device's time:
--)))
--(((
  **~1. Through LoRaWAN MAC Command (Default settings)**
--)))
--(((
  User need to set SYNCMOD=1 to enable sync time via MAC command.
--)))
--(((
  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).
--)))
--(((
  (% 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.
--)))
--(((
--
--)))
--(((
  **2. Manually Set Time**
--)))
--(((
  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
--)))
@@ -772,11 +772,9 @@
  (% _mstvisible="2" %)
  (((
  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
--(((
  Poll Message Flag: 1: This message is a poll message reply.
  )))
  )))
--)))
  (% _mstvisible="1" %)
  * (% _mstvisible="3" %)
@@ -784,21 +784,17 @@
  (% _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.
  )))
  )))
--)))
  (% _mstvisible="1" %)
  (((
@@ -805,16 +805,12 @@
  (% _mstvisible="2" %)
  (((
  (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
--(((
--)))
  (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
--(((
  For example, in US915 band, the max payload for different DR is:
  )))
  )))
--)))
  (% _mstvisible="1" %)
  (((
@@ -821,11 +821,9 @@
  (% _mstvisible="2" %)
  (((
  (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
--(((
  a) DR0: max is 11 bytes so one entry of data
  )))
  )))
--)))
  (% _mstvisible="1" %)
  (((
@@ -832,11 +832,9 @@
  (% _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)
  )))
  )))
--)))
  (% _mstvisible="1" %)
  (((
@@ -843,11 +843,9 @@
  (% _mstvisible="2" %)
  (((
  (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
--(((
  c) DR2: total payload includes 11 entries of data
  )))
  )))
--)))
  (% _mstvisible="1" %)
  (((
@@ -854,11 +854,9 @@
  (% _mstvisible="2" %)
  (((
  (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
--(((
  d) DR3: total payload includes 22 entries of data.
  )))
  )))
--)))
  (% _mstvisible="1" %)
  (((
@@ -865,11 +865,9 @@
  (% _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
  )))
  )))
--)))
  (% _mstvisible="1" style="text-align: left;" %)
@@ -915,86 +915,55 @@
  [[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
--)))
  (% _msthash="315237" _msttexthash="1385839" %)
--(((
  Where the first 11 bytes is for the first entry:
--)))
  (% _msthash="315238" _msttexthash="274846" %)
--(((
 FFF089801464160065F97
--)))
  (% _msthash="315239" _msttexthash="617435" %)
--(((
  Ext sensor data=0x7FFF/100=327.67
--)))
  (% _msthash="315240" _msttexthash="270543" %)
--(((
  Temp=0x0898/100=22.00
--)))
  (% _msthash="315241" _msttexthash="211783" %)
--(((
  Hum=0x0146/10=32.6
--)))
  (% _msthash="315242" _msttexthash="1569776" %)
--(((
  poll message flag & Ext=0x41,means reply data,Ext=1
--)))
  (% _msthash="315243" _msttexthash="1120509" %)
--(((
  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
--)))
  == 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.
--(((
  **AT COMMAND FOR ALARM MODE:**
--)))
  (% _mstvisible="1" class="box infomessage" %)
  (((
--(((
  **AT+WMOD=1**:              Enable/disable alarm mode. (0: Disabled, 1: Enabled)
--)))
--(((
  **AT+CITEMP=1**:             The interval between checking the alarm temperature. (In minutes)
--)))
--(((
  **AT+ARTEMP**:                 Gets or sets the alarm range of the internal temperature sensor
--)))
--(((
  **AT+ARTEMP=？ **:          Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
--)))
--(((
  **AT+ARTEMP=45,105**:   Set the internal temperature sensor alarm range from 45 to 105.
  )))
--)))
++
  == 2.8 LED Indicator ==
  The LHT65 has a triple color LED which for easy showing different stage .
@@ -1004,12 +1004,13 @@
  In a normal working state:
  * For each uplink, the BLUE LED or RED LED will blink once.
--BLUE LED when external sensor is connected.
++  BLUE LED when external sensor is connected.
  * RED LED when external sensor is not connected
  * For each success downlink, the PURPLE LED will blink once
++
  == 2.9 installation ==
  (% _mstvisible="1" %)
@@ -1038,6 +1038,7 @@
  Temperature sensor with 2 meters cable long
++
  * Resolution: 0.0625 °C
  * ±0.5°C accuracy from -10°C to +85°C
  * ±2°C accuracy from -55°C to +125°C
@@ -1044,52 +1044,29 @@
  * Operating Range: -40 ~~ 125 °C
  * Working voltage 2.35v ~~ 5v
--
--
  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
--(((
  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
--)))
--* (((
--AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
--)))
++* AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
--* (((
--LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
--)))
++* LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
--(((
  There are two kinds of commands to configure LHT65N, they are:
--)))
--* (((
--(% style="color:#4f81bd" %)**General Commands**.
--)))
++* (% style="color:#4f81bd" %)**General Commands**.
--(((
  These commands are to configure:
--)))
--1. (((
--General system settings like: uplink interval.
--)))
--1. (((
--LoRaWAN protocol & radio-related commands.
--)))
++* General system settings like: uplink interval.
--(((
++* LoRaWAN protocol & radio-related commands.
++
  They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki: [[End Device Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
--)))
--* (((
--(% style="color:#4f81bd" %)**Commands special design for LHT65N**
--)))
++* (% style="color:#4f81bd" %)**Commands special design for LHT65N**
--(((
  These commands are only valid for LHT65N, as below:
--)))
  == 4.1 Set Transmit Interval Time ==
@@ -1096,8 +1096,10 @@
  Feature: Change LoRaWAN End Node Transmit Interval.
++
  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
++
  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
@@ -1112,7 +1112,6 @@
  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
--
  == 4.2 Set External Sensor Mode ==
  Feature: Change External Sensor Mode.
@@ -1121,7 +1121,6 @@
  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
--
  (% style="color:#4f81bd" %)**Downlink Command: 0xA2**
  Total bytes: 2 ~~ 5 bytes
@@ -1132,39 +1132,34 @@
  * 0xA209: Same as AT+EXT=9
--* 0xA20702003c: Same as AT+SETCNT=60
++* 0xA20702003c,Same as AT+SETCNT=60
  == 4.3 Enable/Disable uplink Temperature probe ID ==
--(((
  Feature: If PID is enabled, device will send the temperature probe ID on:
--)))
--* (((
--First Packet after OTAA Join
--)))
--* (((
--Every 24 hours since the first packet.
--)))
++* First Packet after OTAA Join
++* Every 24 hours since the first packet.
--(((
  PID is default set to disable (0)
--)))
++
  (% style="color:#4f81bd" %)**AT Command:**
++
  [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
  (% style="color:#4f81bd" %)**Downlink Command:**
--* **0xA800**     **~-~->** AT+PID=0
--* **0xA801**     **~-~->** AT+PID=1
++* 0xA800     **~-~->** AT+PID=0
++* 0xA801     **~-~->** AT+PID=1
++
  == 4.4 Set Password ==
  Feature: Set device password, max 9 digits
@@ -1171,9 +1171,11 @@
  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
++
  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
++
  (% style="color:#4f81bd" %)**Downlink Command:**
  No downlink command for this feature.
@@ -1182,13 +1182,17 @@
  == 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"]]
++
  (% style="color:#4f81bd" %)**Downlink Command:**
  No downlink command for this feature.
@@ -1197,33 +1197,40 @@
  == 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
--* **AT+Sleep=1** :  Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
++* AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
++* AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
  (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
++
  [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
++
  (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
++
  * 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"]]
++
  (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
++
  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
++
  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
++
 x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
@@ -1230,13 +1230,10 @@
  == 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.
--)))
--(((
  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:**
@@ -1243,6 +1243,7 @@
  [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
++
  (% style="color:#4f81bd" %)**Downlink Command:**
 x28 01 ~/~/ Same As AT+SYNCMOD=1
@@ -1252,30 +1252,39 @@
  == 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"]]
++
  (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
--**0x29 0A** ~/~/ Same as AT+SYNCTDC=0x0A
++0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
++
  == 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"]]
++
  (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
++
  No downlink commands for feature
@@ -1284,8 +1284,10 @@
  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"]]
@@ -1311,6 +1311,7 @@
++
  == 4.13 Auto Send None-ACK messages ==
  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
@@ -1390,11 +1390,16 @@
  (% _msthash="506061" _msttexthash="170755" %)**Connection:**
--* (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
--* (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
--* (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
--* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
++(% _msthash="506062" _msttexthash="1187732" %)
++**✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
++(% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
++
++(% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
++
++(% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
++
++
  (((
  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**) (%%)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.
  )))
@@ -1703,59 +1703,7 @@
  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.
--)))
--
--
--Input password and ATZ to activate LHT65N,As shown below:
--
--[[image:image-20220615154519-3.png||height="672" width="807"]]
--
--
--== 6.6 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]]
--
--
--(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
--
--(% _msthash="506146" _msttexthash="52173160" %)
--First connect the four lines；
--
--(% _msthash="506146" _msttexthash="52173160" %)
--[[image:image-20220623113959-5.png||height="528" width="397"]]
--
--(% _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]]
--
--
--Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
--
--
--When this interface appears, it indicates that the download has been completed.
--
--[[image:image-20220620160723-8.png]]
--
--
--Finally,restart reset device again
--
--
  = 7. Order Info =
@@ -1785,6 +1785,7 @@
++
  = 8. Packing Info =
@@ -1791,11 +1791,14 @@
  **Package Includes**:
  * LHT65N Temperature & Humidity Sensor x 1
--* Optional external sensor
++*Optional external sensor
++
++
  **Dimension and weight**:
  * Device Size:  10 x 10 x 3.5 cm
++
  * Device Weight: 120.5g
@@ -1805,7 +1805,6 @@
  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
--
  = 10. FCC Warning =
  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:

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

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