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1 1  (% style="text-align:center" %)
2 -[[image:image-20220523115324-1.jpeg||height="500" width="500"]]
2 +[[image:image-20220523115324-1.jpeg||height="317" width="317"]]
3 3  
4 4  
5 5  **LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
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7 7  
8 8  
9 9  
10 -
11 -
12 -
13 -
14 -
15 -
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17 -
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20 -
21 -
22 -
23 23  **Table of Contents：**
24 24  
25 25  {{toc/}}
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27 27  
28 28  
29 29  
30 -= 1.Introduction =
17 += 1. Introduction =
31 31  
32 32  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
33 33  
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147 147  
148 148  [[image:image-20220515123819-1.png||height="379" width="317"]]
149 149  
150 -[[image:image-20220523153201-19.png||height="163" width="739"]]
137 +[[image:image-20220525110604-2.png]]
151 151  
152 152  == 2.3 Example to join LoRaWAN network ==
153 153  
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218 218  |(% style="width:97px" %)(((
219 219  **Value**
220 220  )))|(% style="width:39px" %)(((
221 -[[BAT>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.2BAT-BatteryInfo]]
208 +[[BAT>>||anchor="H2.4.2BAT-BatteryInfo"]]
222 222  )))|(% style="width:100px" %)(((
223 223  (((
224 -[[Built-In Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
211 +[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature"]]
225 225  )))
226 226  )))|(% style="width:77px" %)(((
227 227  (((
228 -[[Built-in>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
215 +[[Built-in>>||anchor="H2.4.4Built-inHumidity"]]
229 229  )))
230 230  
231 231  (((
232 -[[Humidity>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
219 +[[Humidity>>||anchor="H2.4.4Built-inHumidity"]]
233 233  )))
234 234  )))|(% style="width:47px" %)(((
235 -[[Ext>>path:#Extension_Sensor]] #
222 +[[Ext>>||anchor="H2.4.5Ext23"]] #
236 236  )))|(% style="width:51px" %)(((
237 -[[Ext value>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.6Extvalue]]
224 +[[Ext value>>||anchor="H2.4.6Extvalue"]]
238 238  )))
239 239  
240 240  * The First 6 bytes: has fix meanings for every LHT65N.
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330 330  |(% style="width:96px" %)(((
331 331  **Value**
332 332  )))|(% style="width:71px" %)(((
333 -[[External temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.2SetExternalSensorMode]]
320 +[[External temperature>>||anchor="H4.2SetExternalSensorMode"]]
334 334  )))|(% style="width:99px" %)(((
335 335  (((
336 -[[Built-In>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
323 +[[Built-In>>||anchor="H2.4.3Built-inTemperature"]]
337 337  )))
338 338  
339 339  (((
340 -[[Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
327 +[[Temperature>>||anchor="H2.4.3Built-inTemperature"]]
341 341  )))
342 342  )))|(% style="width:132px" %)(((
343 343  (((
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345 345  )))
346 346  
347 347  (((
348 -[[Built-in Humidity>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
335 +[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
349 349  )))
350 350  )))|(% style="width:54px" %)(((
351 351  Status & Ext
352 352  )))|(% style="width:64px" %)(((
353 353  (((
354 -[[Unix Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.1SetTransmitIntervalTime]]
341 +[[Unix Time Stamp>>||anchor="H4.1SetTransmitIntervalTime"]]
355 355  )))
356 356  )))
357 357  
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414 414  
415 415  == 2.6 Datalog Feature ==
416 416  
417 -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.
404 +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.
418 418  
419 -=== 2.6.1 Unix TimeStamp ===
406 +=== 2.6.1 Ways to get datalog via LoRaWAN ===
420 420  
408 +There are two methods:
409 +
410 +1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
411 +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.
412 +
413 +=== 2.6.2 Unix TimeStamp ===
414 +
421 421  LHT65N uses Unix TimeStamp format based on
422 422  
423 423  [[image:image-20220523001219-11.png||height="97" width="627"]]
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435 435  
436 436  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
437 437  
438 -=== 2.6.2 Set Device Time ===
432 +=== 2.6.3 Set Device Time ===
439 439  
440 440  (((
441 441  There are two ways to set device’s time:
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469 469  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
470 470  )))
471 471  
472 -=== 2.6.3 Poll sensor value ===
466 +=== 2.6.4 Poll sensor value ===
473 473  
474 474  User can poll sensor value based on timestamps from the server. Below is the downlink command.
475 475  
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480 480  )))
481 481  
482 482  (((
483 -For example, downlink command **31 5FC5F350 5FC6 0160 05**
477 +For example, downlink command (% style="display:none" %) (%%)**31 5FC5F350 5FC6 0160 05**
484 484  )))
485 485  
486 486  (((
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492 492  )))
493 493  
494 494  
495 -=== 2.6.4 Datalog Uplink payload ===
489 +=== 2.6.5 Datalog Uplink payload ===
496 496  
497 497  The Datalog poll reply uplink will use below payload format.
498 498  
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1002 1002  
1003 1003  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1004 1004  
999 +== 4.13 Auto Send None-ACK messages ==
1000 +
1001 +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.
1002 +
1003 +
1004 +**AT Command: AT+PNACKMD**
1005 +
1006 +The default factory setting is 0
1007 +
1008 +|**Command Example**|**Function**|**Response**
1009 +|AT+PNACKMD=1|Poll None-ACK message|OK
1010 +
1011 +**Downlink Command: 0x34**
1012 +
1013 +* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1014 +
1005 1005  = 5. Battery & How to replace =
1006 1006  
1007 1007  == 5.1 Battery Type ==
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