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1		-XWiki.Xiaoling
	1	+XWiki.Edwin

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1	1	(% style="text-align:center" %)
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	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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23	23	**Table of Contents：**
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25	25	{{toc/}}
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30		-= 1.Introduction =
	17	+= 1. Introduction =
31	31
32	32	== 1.1 What is LHT65N Temperature & Humidity Sensor ==
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148	148	[[image:image-20220515123819-1.png||height="379" width="317"]]
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	137	+[[image:image-20220523153201-19.png||height="180" width="818"]]
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152	152	== 2.3 Example to join LoRaWAN network ==
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232	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]]
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235		-[[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]] #
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237	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]]
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415	415	== 2.6 Datalog Feature ==
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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.
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419		-=== 2.6.1 Unix TimeStamp ===
	406	+=== 2.6.1 Ways to get datalog via LoRaWAN ===
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	408	+There are two methods:
	409	+
	410	+1. IoT Server sends a downlink LoRaWAN command to [poll the value>PollSensorValue].
	411	+1.
	412	+
	413	+
	414	+=== 2.6.2 Unix TimeStamp ===
	415	+
421	421	LHT65N uses Unix TimeStamp format based on
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423	423	[[image:image-20220523001219-11.png||height="97" width="627"]]
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436	436	So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
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438		-=== 2.6.2 Set Device Time ===
	433	+=== 2.6.3 Set Device Time ===
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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.
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472		-=== 2.6.3 Poll sensor value ===
	467	+=== [[2.6.4 Poll sensor value>>2.6.4 Poll sensor value||anchor="PollSensorValue"]] ===
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474	474	User can poll sensor value based on timestamps from the server. Below is the downlink command.
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483		-For example, downlink command **31 5FC5F350 5FC6 0160 05**
	478	+For example, downlink command (% style="display:none" %) (%%)**31 5FC5F350 5FC6 0160 05**
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495		-=== 2.6.4 Datalog Uplink payload ===
	490	+=== 2.6.5 Datalog Uplink payload ===
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497	497	The Datalog poll reply uplink will use below payload format.
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