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Author

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1		-XWiki.Xiaoling
	1	+XWiki.Edwin

Content

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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"]]
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5	5	**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
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10		-
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14	14	**Table of Contents：**
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16	16	{{toc/}}
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	17	+= 1. Introduction =
21	21
22		-= 1.Introduction =
23		-
24	24	== 1.1 What is LHT65N Temperature & Humidity Sensor ==
25	25
26	26	(((
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139	139
140	140	[[image:image-20220515123819-1.png||height="379" width="317"]]
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142		-[[image:image-20220523153201-19.png||height="163" width="739"]]
	137	+[[image:image-20220523153201-19.png||height="180" width="818"]]
143	143
144	144	== 2.3 Example to join LoRaWAN network ==
145	145
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224	224	[[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]]
225	225	)))
226	226	)))|(% style="width:47px" %)(((
227		-[[Ext>>path:#Extension_Sensor]] #
	222	+[[Ext>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.5Ext23]] #
228	228	)))|(% style="width:51px" %)(((
229	229	[[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]]
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406	406
407	407	== 2.6 Datalog Feature ==
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409		-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.
410	410
411		-=== 2.6.1 Unix TimeStamp ===
	406	+=== 2.6.1 Ways to get datalog via LoRaWAN ===
412	412
	408	+There are two methods:
	409	+
	410	+1. IoT Server sends a downlink LoRaWAN command to [poll the value>>PollSensorValue].
	411	+1.
	412	+
	413	+=== 2.6.2 Unix TimeStamp ===
	414	+
413	413	LHT65N uses Unix TimeStamp format based on
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415	415	[[image:image-20220523001219-11.png||height="97" width="627"]]
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428	428	So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
429	429
430		-=== 2.6.2 Set Device Time ===
	432	+=== 2.6.3 Set Device Time ===
431	431
432	432	(((
433	433	There are two ways to set device’s time:
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461	461	User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
462	462	)))
463	463
464		-=== 2.6.3 Poll sensor value ===
	466	+=== [[2.6.4 Poll sensor value>>2.6.4 Poll sensor value||anchor="PollSensorValue"]] ===
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466	466	User can poll sensor value based on timestamps from the server. Below is the downlink command.
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472	472	)))
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474	474	(((
475		-For example, downlink command **31 5FC5F350 5FC6 0160 05**
	477	+For example, downlink command (% style="display:none" %) (%%)**31 5FC5F350 5FC6 0160 05**
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487		-=== 2.6.4 Datalog Uplink payload ===
	489	+=== 2.6.5 Datalog Uplink payload ===
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489	489	The Datalog poll reply uplink will use below payload format.
490	490