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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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7	7
8	8
9	9
10		-
11		-
12		-
13		-
14	14	**Table of Contents：**
15	15
16	16	{{toc/}}
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17	17
18	18
19	19
20		-= 1.Introduction =
21	21
	17	+= 1. Introduction =
	18	+
22	22	== 1.1 What is LHT65N Temperature & Humidity Sensor ==
23	23
24	24	(((
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137	137
138	138	[[image:image-20220515123819-1.png||height="379" width="317"]]
139	139
140		-[[image:image-20220523153201-19.png||height="163" width="739"]]
	137	+[[image:image-20220523153201-19.png||height="180" width="818"]]
141	141
142	142	== 2.3 Example to join LoRaWAN network ==
143	143
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222	222	[[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]]
223	223	)))
224	224	)))|(% style="width:47px" %)(((
225		-[[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]] #
226	226	)))|(% style="width:51px" %)(((
227	227	[[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]]
228	228	)))
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404	404
405	405	== 2.6 Datalog Feature ==
406	406
407		-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.
408	408
409		-=== 2.6.1 Unix TimeStamp ===
	406	+=== 2.6.1 Ways to get datalog via LoRaWAN ===
410	410
	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 sent all messages after network recover.
	412	+
	413	+=== 2.6.2 Unix TimeStamp ===
	414	+
411	411	LHT65N uses Unix TimeStamp format based on
412	412
413	413	[[image:image-20220523001219-11.png||height="97" width="627"]]
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425	425
426	426	So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
427	427
428		-=== 2.6.2 Set Device Time ===
	432	+=== 2.6.3 Set Device Time ===
429	429
430	430	(((
431	431	There are two ways to set device’s time:
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459	459	User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
460	460	)))
461	461
462		-=== 2.6.3 Poll sensor value ===
	466	+=== 2.6.4 Poll sensor value ===
463	463
464	464	User can poll sensor value based on timestamps from the server. Below is the downlink command.
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470	470	)))
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472	472	(((
473		-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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482	482	)))
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484	484
485		-=== 2.6.4 Datalog Uplink payload ===
	489	+=== 2.6.5 Datalog Uplink payload ===
486	486
487	487	The Datalog poll reply uplink will use below payload format.
488	488
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992	992
993	993	* Example: 0xA301 ~/~/Same as AT+CLRDTA
994	994
	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	+
995	995	= 5. Battery & How to replace =
996	996
997	997	== 5.1 Battery Type ==