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1	1	(% style="text-align:center" %)
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5	5	**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
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14	14
15	15
16	16
17		-= 1. Introduction =
	17	+= 1.Introduction =
18	18
19	19	== 1.1 What is LHT65N Temperature & Humidity Sensor ==
20	20
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136	136
137	137	[[image:image-20220523153201-19.png||height="180" width="818"]]
138	138
139		-(% border="1" style="background-color:#ffffcc; color:green; width:878px" %)
140		-|=**Behavior on ACT**|=**Function**|=(% style="width: 561px;" %)**Action**
141		-|**Pressing ACT between 1s < time < 3s**|Test uplink status|(% style="width:561px" %)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.
142		-|**Pressing ACT for more than 3s**|Active Device|(% style="width:561px" %)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.
143		-|**Fast press ACT 5 times**|Deactivate Device|(% style="width:561px" %)red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
144		-
145	145	== 2.3 Example to join LoRaWAN network ==
146	146
147	147	(% class="wikigeneratedid" %)
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211	211	|(% style="width:97px" %)(((
212	212	**Value**
213	213	)))|(% style="width:39px" %)(((
214		-[[BAT>>||anchor="H2.4.2BAT-BatteryInfo"]]
	208	+[[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]]
215	215	)))|(% style="width:100px" %)(((
216	216	(((
217		-[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature"]]
	211	+[[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]]
218	218	)))
219	219	)))|(% style="width:77px" %)(((
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407	407
408	408	== 2.6 Datalog Feature ==
409	409
410		-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.
	404	+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.
411	411
412		-=== 2.6.1 Ways to get datalog via LoRaWAN ===
	406	+=== 2.6.1 Unix TimeStamp ===
413	413
414		-There are two methods:
415		-
416		-1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
417		-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.
418		-
419		-=== 2.6.2 Unix TimeStamp ===
420		-
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		-=== 2.6.3 Set Device Time ===
	425	+=== 2.6.2 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		-=== 2.6.4 Poll sensor value ===
	459	+=== 2.6.3 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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492	492	)))
493	493
494	494
495		-=== 2.6.5 Datalog Uplink payload ===
	482	+=== 2.6.4 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
1005		-== 4.13 Auto Send None-ACK messages ==
1006		-
1007		-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.
1008		-
1009		-
1010		-**AT Command: AT+PNACKMD**
1011		-
1012		-The default factory setting is 0
1013		-
1014		-|**Command Example**|**Function**|**Response**
1015		-|AT+PNACKMD=1|Poll None-ACK message|OK
1016		-
1017		-**Downlink Command: 0x34**
1018		-
1019		-* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1020		-
1021	1021	= 5. Battery & How to replace =
1022	1022
1023	1023	== 5.1 Battery Type ==