Wiki source code of LHT65N LoRaWAN Temperature & Humidity Sensor Manual

Version 108.1 by Bei Jinggeng on 2022/05/25 17:30

version	line-number	content
55.2	1	(% style="text-align:center" %)
107.1	2	[[image:image-20220523115324-1.jpeg\|\|_mstalt="469677" height="317" width="317"]]
55.2	3
2.1	4
107.1	5	(% _msthash="315237" _msttexthash="1697033" %)LHT65N LoRaWAN Temperature & Humidity Sensor Manual
56.2	6
	7
	8
77.2	9
107.1	10	(% _msthash="315238" _msttexthash="18964465" %)Table of Contents：
56.2	11
55.2	12	{{toc/}}
2.1	13
55.4	14
	15
77.3	16
107.1	17	= (% _msthash="277498" _msttexthash="253045" %)1. Introduction(%%) =
52.2	18
107.1	19	== (% _msthash="1532895" _msttexthash="1426958" %)1.1 What is LHT65N Temperature & Humidity Sensor(%%) ==
52.2	20
56.3	21	(((
107.1	22	(% _msthash="506051" _msttexthash="24333127" %)
56.2	23	The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:#4f81bd" %)built-in Temperature & Humidity sensor(%%) and has an external sensor connector to connect to an external (% style="color:#4f81bd" %)Temperature Sensor(%%).
56.3	24	)))
2.1	25
56.3	26	(((
107.1	27	(% _msthash="506052" _msttexthash="66005810" %)
2.1	28	The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
56.3	29	)))
2.1	30
56.3	31	(((
107.1	32	(% _msthash="506053" _msttexthash="4298047" %)
6.1	33	LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
56.3	34	)))
2.1	35
56.3	36	(((
107.1	37	(% _msthash="506054" _msttexthash="6016374" %)
2.1	38	LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
56.3	39	)))
2.1	40
56.3	41	(((
107.1	42	(% _msthash="506055" _msttexthash="17023136" %)
56.2	43	LHT65N supports (% style="color:#4f81bd" %)Datalog Feature(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
56.3	44	)))
2.1	45
56.3	46	(((
107.1	47	(% _msthash="506056" _msttexthash="5557097" %)
6.1	48	*The actual battery life depends on how often to send data, please see the battery analyzer chapter.
56.3	49	)))
2.1	50
107.1	51	== (% _msthash="182559" _msttexthash="163319" %)1.2 Features(%%) ==
2.1	52
	53	* Wall mountable
	54	* LoRaWAN v1.0.3 Class A protocol
	55	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
	56	* AT Commands to change parameters
	57	* Remote configure parameters via LoRaWAN Downlink
15.1	58	* Firmware upgradeable via program port
6.1	59	* Built-in 2400mAh battery for up to 10 years of use.
2.1	60	* Built-in Temperature & Humidity sensor
	61	* Optional External Sensors
6.1	62	* Tri-color LED to indicate working status
2.1	63	* Datalog feature
	64
107.1	65	== (% _msthash="323570" _msttexthash="297635" %)1.3 Specification(%%) ==
2.1	66
56.3	67	(((
107.1	68	(% _msthash="506057" _msttexthash="671437" %)Built-in Temperature Sensor:
56.3	69	)))
2.1	70
56.3	71	* (((
107.1	72	(% _msthash="902993" _msttexthash="294424" %)
56.3	73	Resolution: 0.01 °C
	74	)))
	75	* (((
107.1	76	(% _msthash="902994" _msttexthash="690664" %)
56.3	77	Accuracy Tolerance : Typ ±0.3 °C
	78	)))
	79	* (((
107.1	80	(% _msthash="902995" _msttexthash="504647" %)
56.3	81	Long Term Drift: < 0.02 °C/yr
	82	)))
	83	* (((
107.1	84	(% _msthash="902996" _msttexthash="478257" %)
56.3	85	Operating Range: -40 ~~ 85 °C
	86	)))
2.1	87
56.3	88	(((
107.1	89	(% _msthash="506058" _msttexthash="544453" %)Built-in Humidity Sensor:
56.3	90	)))
2.1	91
56.3	92	* (((
107.1	93	(% _msthash="902997" _msttexthash="282438" %)
56.3	94	Resolution: 0.04 %RH
	95	)))
	96	* (((
107.1	97	(% _msthash="902998" _msttexthash="628771" %)
56.3	98	Accuracy Tolerance : Typ ±3 %RH
	99	)))
	100	* (((
107.1	101	(% _msthash="902999" _msttexthash="504647" %)
56.3	102	Long Term Drift: < 0.02 °C/yr
	103	)))
	104	* (((
107.1	105	(% _msthash="903000" _msttexthash="421291" %)
56.3	106	Operating Range: 0 ~~ 96 %RH
	107	)))
2.1	108
56.3	109	(((
107.1	110	(% _msthash="506059" _msttexthash="680537" %)External Temperature Sensor:
56.3	111	)))
2.1	112
56.3	113	* (((
107.1	114	(% _msthash="903001" _msttexthash="332254" %)
56.3	115	Resolution: 0.0625 °C
	116	)))
	117	* (((
107.1	118	(% _msthash="903002" _msttexthash="782600" %)
56.3	119	±0.5°C accuracy from -10°C to +85°C
	120	)))
	121	* (((
107.1	122	(% _msthash="903003" _msttexthash="729482" %)
56.3	123	±2°C accuracy from -55°C to +125°C
	124	)))
	125	* (((
107.1	126	(% _msthash="903004" _msttexthash="592540" %)
56.3	127	Operating Range: -55 °C ~~ 125 °C
	128	)))
2.1	129
107.1	130	= (% _msthash="655759" _msttexthash="618618" %)2. Connect LHT65N to IoT Server(%%) =
18.1	131
107.1	132	== (% _msthash="462371" _msttexthash="410332" %)2.1 How does LHT65N work?(%%) ==
18.1	133
56.4	134	(((
107.1	135	(% _msthash="506060" _msttexthash="28254538" %)
18.1	136	LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
56.4	137	)))
18.1	138
56.4	139	(((
107.1	140	(% _msthash="506061" _msttexthash="48200724" %)
18.1	141	If LHT65N is under the coverage of this LoRaWAN network. LHT65N can join the LoRaWAN network automatically. After successfully joining, LHT65N will start to measure environment temperature and humidity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
56.4	142	)))
18.1	143
107.1	144	== (% _msthash="514384" _msttexthash="458666" %)2.2 How to Activate LHT65N?(%%) ==
18.1	145
107.1	146	(% _msthash="315239" _msttexthash="748241" %)
18.1	147	The LHT65N has two working modes:
	148
	149	* Deep Sleep Mode: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
19.1	150	* Working Mode: In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65 will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode.
18.1	151
56.5	152	(((
107.1	153	(% _msthash="506062" _msttexthash="6036823" %)
18.1	154	The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
56.5	155	)))
18.1	156
107.1	157	[[image:image-20220515123819-1.png\|\|_mstalt="430742" height="379" width="317"]]
18.1	158
107.1	159	[[image:image-20220525110604-2.png\|\|_mstalt="427531"]]
18.1	160
107.1	161	== (% _msthash="882726" _msttexthash="838526" %)2.3 Example to join LoRaWAN network(%%) ==
32.1	162
107.1	163	(% _msthash="315240" _msttexthash="9205482" class="wikigeneratedid" %)
32.1	164	This section shows an example of how to join the TTN V3 LoRaWAN IoT server. Use with other LoRaWAN IoT servers is of a similar procedure.
	165
	166	(% class="wikigeneratedid" %)
107.1	167	[[image:image-20220522232442-1.png\|\|_mstalt="427830" height="387" width="648"]]
32.1	168
107.1	169	(% _msthash="315241" _msttexthash="10802155" %)
32.1	170	Assume the LPS8N is already set to connect to [[TTN V3 network>>url:https://eu1.cloud.thethings.network]], So it provides network coverage for LHT65N. Next we need to add the LHT65N device in TTN V3:
	171
	172
107.1	173	=== (% _msthash="670592" _msttexthash="634075" %)2.3.1 Step 1: Create Device n TTN(%%) ===
32.1	174
107.1	175	(% _msthash="315242" _msttexthash="1601782" %)
32.1	176	Create a device in TTN V3 with the OTAA keys from LHT65N.
	177
107.1	178	(% _msthash="315243" _msttexthash="3694444" %)
32.1	179	Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
	180
107.1	181	[[image:image-20220522232812-2.png\|\|_mstalt="428467" height="219" width="279"]]
32.1	182
107.1	183	(% _msthash="315244" _msttexthash="3659149" %)
32.1	184	User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
	185
107.1	186	(% _msthash="315245" _msttexthash="642889" %)
32.1	187	Add APP EUI in the application.
	188
107.1	189	[[image:image-20220522232916-3.png\|\|_mstalt="430495"]]
32.1	190
107.1	191	[[image:image-20220522232932-4.png\|\|_mstalt="430157"]]
32.1	192
107.1	193	[[image:image-20220522232954-5.png\|\|_mstalt="431847"]]
32.1	194
107.1	195	(% _msthash="315246" _msttexthash="878800" %)
32.1	196	Note: LHT65N use same payload as LHT65.
	197
107.1	198	[[image:image-20220522233026-6.png\|\|_mstalt="429403"]]
32.1	199
	200
107.1	201	(% _msthash="315247" _msttexthash="595543" %)
32.1	202	Input APP EUI, APP KEY and DEV EUI:
	203
107.1	204	[[image:image-20220522233118-7.png\|\|_mstalt="430430"]]
32.1	205
	206
107.1	207	=== (% _msthash="3537456" _msttexthash="3448549" %)2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds.(%%) ===
32.1	208
107.1	209	(% _msthash="315248" _msttexthash="14452321" %)
32.1	210	Use ACT button to activate LHT65N and it will auto-join to the TTN V3 network. After join success, it will start to upload sensor data to TTN V3 and user can see in the panel.
	211
107.1	212	[[image:image-20220522233300-8.png\|\|_mstalt="428389" height="219" width="722"]]
32.1	213
	214
107.1	215	== (% _msthash="320879" _msttexthash="294970" %)2.4 Uplink Payload(%%) ==
35.1	216
107.1	217	(% _msthash="315249" _msttexthash="7722962" %)
57.2	218	The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)every 20 minutes(%%) send one uplink by default.
35.1	219
107.1	220	(% _msthash="315250" _msttexthash="1322711" %)
57.2	221	After each uplink, the (% style="color:blue" %)BLUE LED(%%) will blink once.
35.1	222
76.2	223	(% border="1" style="background-color:#ffffcc; color:green; width:426px" %)
	224	\|(% style="width:97px" %)(((
107.1	225	(% _msthash="1817478" _msttexthash="161122" %)Size(bytes)
76.2	226	)))\|(% style="width:39px" %)(((
107.1	227	(% _msthash="1817479" _msttexthash="4550" %)2
76.2	228	)))\|(% style="width:100px" %)(((
107.1	229	(% _msthash="1817480" _msttexthash="4550" %)2
76.2	230	)))\|(% style="width:77px" %)(((
107.1	231	(% _msthash="1817481" _msttexthash="4550" %)2
76.2	232	)))\|(% style="width:47px" %)(((
107.1	233	(% _msthash="1817482" _msttexthash="4459" %)1
57.10	234	)))\|(% style="width:51px" %)(((
107.1	235	(% _msthash="1817483" _msttexthash="4732" %)4
57.10	236	)))
76.2	237	\|(% style="width:97px" %)(((
107.1	238	(% _msthash="1817484" _msttexthash="60203" %)Value
76.2	239	)))\|(% style="width:39px" %)(((
107.1	240	[[BAT>>\|\|anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594"]]
76.2	241	)))\|(% style="width:100px" %)(((
57.10	242	(((
107.1	243	[[Built-In Temperature>>\|\|anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769"]]
57.10	244	)))
76.2	245	)))\|(% style="width:77px" %)(((
57.10	246	(((
107.1	247	[[Built-in>>\|\|anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872"]]
57.10	248	)))
101.1	249
57.10	250	(((
107.1	251	[[Humidity>>\|\|anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429"]]
57.10	252	)))
76.2	253	)))\|(% style="width:47px" %)(((
107.1	254	[[Ext>>\|\|anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331"]] #
57.10	255	)))\|(% style="width:51px" %)(((
107.1	256	[[Ext value>>\|\|anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545"]]
57.10	257	)))
57.8	258
35.1	259	* The First 6 bytes: has fix meanings for every LHT65N.
	260	* The 7th byte (EXT #): defines the external sensor model.
108.1	261	* The 8(% _msthash="734578" _msttexthash="21372" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
35.1	262
107.1	263	=== (% _msthash="360269" _msttexthash="333762" %)2.4.1 Decoder in TTN V3(%%) ===
35.1	264
107.1	265	(% _msthash="315251" _msttexthash="9786491" %)
35.1	266	When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N decoder in TTNv3 for friendly reading.
	267
107.1	268	(% _msthash="315252" _msttexthash="3928483" %)
35.1	269	Below is the position to put the decoder and LHT65N decoder can be download from here:
	270
107.1	271	[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0\|\|_msthash="315253" _msttexthash="3509064"]]
35.1	272
107.1	273	[[image:image-20220522234118-10.png\|\|_mstalt="451464" height="353" width="729"]]
35.1	274
107.1	275	=== (% _msthash="411411" _msttexthash="383656" %)2.4.2 BAT-Battery Info(%%) ===
42.1	276
107.1	277	(% _msthash="315254" _msttexthash="3122912" %)
42.1	278	These two bytes of BAT include the battery state and the actually voltage
	279
107.1	280	[[image:image-20220523152839-18.png\|\|_mstalt="457613"]]
42.1	281
107.1	282	[[image:image-20220522235639-1.png\|\|_mstalt="431392" height="139" width="727"]]
42.1	283
107.1	284	(% _msthash="315255" _msttexthash="871611" %)
42.1	285	Check the battery voltage for LHT65N.
	286
	287	* BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
	288	* Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
	289
107.1	290	=== (% _msthash="600769" _msttexthash="565838" %)2.4.3 Built-in Temperature(%%) ===
42.1	291
107.1	292	[[image:image-20220522235639-2.png\|\|_mstalt="431756" height="138" width="722"]]
42.1	293
	294	* Temperature: 0x0ABB/100=27.47℃
	295
107.1	296	[[image:image-20220522235639-3.png\|\|_mstalt="432120"]]
42.1	297
	298	* Temperature: (0xF5C6-65536)/100=-26.18℃
	299
107.1	300	=== (% _msthash="475891" _msttexthash="445120" %)2.4.4 Built-in Humidity(%%) ===
42.1	301
107.1	302	[[image:image-20220522235639-4.png\|\|_mstalt="432484" height="138" width="722"]]
42.1	303
	304	* Humidity: 0x025C/10=60.4%
	305
107.1	306	=== (% _msthash="116532" _msttexthash="87958" %)2.4.5 Ext #(%%) ===
42.1	307
107.1	308	(% _msthash="315256" _msttexthash="552240" %)
42.1	309	Bytes for External Sensor:
	310
107.1	311	[[image:image-20220523152822-17.png\|\|_mstalt="454545"]]
42.1	312
107.1	313	=== (% _msthash="221429" _msttexthash="200655" %)2.4.6 Ext value(%%) ===
42.1	314
107.1	315	==== (% _msthash="1005901" _msttexthash="877578" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
42.1	316
107.1	317	[[image:image-20220522235639-5.png\|\|_mstalt="432848"]]
42.1	318
	319	* DS18B20 temp=0x0ADD/100=27.81℃
	320
107.1	321	(% _msthash="315257" _msttexthash="1038479" %)
42.1	322	The last 2 bytes of data are meaningless
	323
107.1	324	[[image:image-20220522235639-6.png\|\|_mstalt="433212"]]
42.1	325
	326	* External temperature= (0xF54F-65536)/100=-27.37℃
	327
57.5	328	(((
107.1	329	(% _msthash="506063" _msttexthash="1038479" %)
42.1	330	The last 2 bytes of data are meaningless
57.5	331	)))
42.1	332
57.5	333	(((
107.1	334	(% _msthash="506064" _msttexthash="21185632" %)
42.1	335	If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
57.5	336	)))
42.1	337
	338
107.1	339	==== (% _msthash="1389752" _msttexthash="1234766" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
42.1	340
107.1	341	(% _msthash="315258" _msttexthash="41539368" %)
42.1	342	Timestamp mode is designed for LHT65N with E3 probe, it will send the uplink payload with Unix timestamp. With the limitation of 11 bytes (max distance of AU915/US915/AS923 band), the time stamp mode will be lack of BAT voltage field, instead, it shows the battery status. The payload is as below:
	343
76.11	344	(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
73.2	345	\|(% style="width:96px" %)(((
107.1	346	(% _msthash="1817488" _msttexthash="161122" %)Size(bytes)
76.3	347	)))\|(% style="width:71px" %)(((
107.1	348	(% _msthash="1817489" _msttexthash="4550" %)2
76.3	349	)))\|(% style="width:99px" %)(((
107.1	350	(% _msthash="1817490" _msttexthash="4550" %)2
76.3	351	)))\|(% style="width:132px" %)(((
107.1	352	(% _msthash="1817491" _msttexthash="4550" %)2
76.3	353	)))\|(% style="width:54px" %)(((
107.1	354	(% _msthash="1817492" _msttexthash="4459" %)1
76.3	355	)))\|(% style="width:64px" %)(((
107.1	356	(% _msthash="1817493" _msttexthash="4732" %)4
76.3	357	)))
	358	\|(% style="width:96px" %)(((
107.1	359	(% _msthash="1817494" _msttexthash="60203" %)Value
73.2	360	)))\|(% style="width:71px" %)(((
107.1	361	[[External temperature>>\|\|anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517"]]
73.2	362	)))\|(% style="width:99px" %)(((
	363	(((
107.1	364	[[Built-In>>\|\|anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464"]]
73.2	365	)))
42.1	366
73.2	367	(((
107.1	368	[[Temperature>>\|\|anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041"]]
73.2	369	)))
	370	)))\|(% style="width:132px" %)(((
	371	(((
107.1	372	(% _msthash="2224747" _msttexthash="136331" %)
57.5	373	BAT Status &
73.2	374	)))
42.1	375
73.2	376	(((
107.1	377	[[Built-in Humidity>>\|\|anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181"]]
73.2	378	)))
	379	)))\|(% style="width:54px" %)(((
107.1	380	(% _msthash="1817496" _msttexthash="147225" %)
73.2	381	Status & Ext
	382	)))\|(% style="width:64px" %)(((
	383	(((
107.1	384	[[Unix Time Stamp>>\|\|anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175"]]
42.1	385	)))
73.2	386	)))
42.1	387
108.1	388	* Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)
42.1	389
57.11	390	(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
107.1	391	\|(% _msthash="1230918" _msttexthash="93158" style="width:65px" %)Bit(bit)\|(% _msthash="1230919" _msttexthash="57954" style="width:267px" %)[15:14]\|(% _msthash="1230920" _msttexthash="48022" style="width:134px" %)[11:0]
	392	\|(% _msthash="1230921" _msttexthash="60203" style="width:65px" %)Value\|(% style="width:267px" %)(((
	393	(% _msthash="1817497" _msttexthash="128427" %)
42.1	394	BAT Status
	395
107.1	396	(% _msthash="1817498" _msttexthash="472784" %)
42.1	397	00(b): Ultra Low ( BAT <= 2.50v)
	398
107.1	399	(% _msthash="1817499" _msttexthash="483678" %)
42.1	400	01(b): Low (2.50v <=BAT <= 2.55v)
	401
107.1	402	(% _msthash="1817500" _msttexthash="440791" %)
42.1	403	10(b): OK (2.55v <= BAT <=2.65v)
	404
107.1	405	(% _msthash="1817501" _msttexthash="334191" %)
42.1	406	11(b): Good (BAT >= 2.65v)
57.11	407	)))\|(% style="width:134px" %)(((
107.1	408	[[Built-in Humidity>>\|\|anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181"]]
42.1	409
	410
	411	)))
	412
108.1	413	* (% _msthash="504956" _msttexthash="245037" %)Status & Ext Byte
42.1	414
107.1	415	[[image:image-20220523152434-16.png\|\|_mstalt="453921"]]
42.1	416
	417	* Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
	418	* Sync time OK: 1: Set time ok，0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
	419	* Unix Time Request:1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
	420
107.1	421	== (% _msthash="487097" _msttexthash="454818" %)2.5 Show data on Datacake(%%) ==
42.1	422
107.1	423	(% _msthash="315259" _msttexthash="20933341" %)
47.1	424	Datacake IoT platform provides a human-friendly interface to show the sensor data, once we have sensor data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps:
	425
57.6	426	(((
107.1	427	(% _msthash="506065" _msttexthash="4753983" %)
47.1	428	Step 1: Be sure that your device is programmed and properly connected to the LoRaWAN network.
57.6	429	)))
47.1	430
57.6	431	(((
107.1	432	(% _msthash="506066" _msttexthash="14696682" %)
47.1	433	Step 2: Configure your Application to forward data to Datacake you will need to add integration. Go to TTN V3 Console ~-~-> Applications ~-~-> Integrations ~-~-> Add Integrations.
57.6	434	)))
47.1	435
57.6	436	(((
107.1	437	(% _msthash="506067" _msttexthash="180297" %)
47.1	438	Add Datacake:
57.6	439	)))
47.1	440
107.1	441	[[image:image-20220523000825-7.png\|\|_mstalt="429884" height="262" width="583"]]
47.1	442
	443
107.1	444	(% _msthash="315260" _msttexthash="750178" %)
47.1	445	Select default key as Access Key:
	446
107.1	447	[[image:image-20220523000825-8.png\|\|_mstalt="430248" height="453" width="406"]]
47.1	448
107.1	449	(% _msthash="315261" _msttexthash="2134964" %)
47.1	450	In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
	451
107.1	452	[[image:image-20220523000825-9.png\|\|_mstalt="430612" height="366" width="392"]]
47.1	453
107.1	454	[[image:image-20220523000825-10.png\|\|_mstalt="450619" height="413" width="728"]]
47.1	455
107.1	456	== (% _msthash="350454" _msttexthash="323544" %)2.6 Datalog Feature(%%) ==
47.1	457
107.1	458	(% _msthash="315262" _msttexthash="32283004" %)
79.1	459	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.
51.1	460
107.1	461	=== (% _msthash="886158" _msttexthash="842426" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
51.1	462
107.1	463	(% _msthash="315263" _msttexthash="409604" %)
80.1	464	There are two methods:
79.1	465
90.1	466	1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>\|\|anchor="H2.6.4Pollsensorvalue"]] for specify time range.
93.1	467	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.
80.1	468
107.1	469	=== (% _msthash="369915" _msttexthash="342797" %)2.6.2 Unix TimeStamp(%%) ===
79.1	470
107.1	471	(% _msthash="315264" _msttexthash="1182285" %)
51.1	472	LHT65N uses Unix TimeStamp format based on
	473
107.1	474	[[image:image-20220523001219-11.png\|\|_mstalt="450450" height="97" width="627"]]
51.1	475
	476
57.6	477	(((
107.1	478	(% _msthash="506068" _msttexthash="2717234" %)
51.1	479	User can get this time from link: [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
57.6	480	)))
51.1	481
57.6	482	(((
107.1	483	(% _msthash="506069" _msttexthash="709813" %)
51.1	484	Below is the converter example
57.6	485	)))
51.1	486
107.1	487	[[image:image-20220523001219-12.png\|\|_mstalt="450827" height="298" width="720"]]
51.1	488
107.1	489	(% _msthash="315265" _msttexthash="15137317" %)
51.1	490	So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
	491
107.1	492	=== (% _msthash="359294" _msttexthash="332748" %)2.6.3 Set Device Time(%%) ===
51.1	493
57.11	494	(((
107.1	495	(% _msthash="506070" _msttexthash="4521946" %)
51.1	496	There are two ways to set device’s time:
57.11	497	)))
51.1	498
57.11	499	(((
107.1	500	(% _msthash="506071" _msttexthash="1498471" %)1. Through LoRaWAN MAC Command (Default settings)
57.11	501	)))
51.1	502
57.11	503	(((
107.1	504	(% _msthash="506072" _msttexthash="2126267" %)
51.1	505	User need to set SYNCMOD=1 to enable sync time via MAC command.
57.11	506	)))
51.1	507
57.11	508	(((
107.1	509	(% _msthash="506073" _msttexthash="54430324" %)
51.1	510	Once LHT65N Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LHT65N. If LHT65N fails to get the time from the server, LHT65N will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
57.11	511	)))
51.1	512
57.11	513	(((
107.1	514	(% _msthash="506074" _msttexthash="92531127" %)
51.1	515	Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn’t support. If server doesn’t support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.
57.11	516	)))
51.1	517
57.11	518	(((
	519
	520	)))
51.1	521
57.11	522	(((
107.1	523	(% _msthash="506075" _msttexthash="329719" %)2. Manually Set Time
57.11	524	)))
51.1	525
57.11	526	(((
107.1	527	(% _msthash="506076" _msttexthash="7889297" %)
51.1	528	User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
57.11	529	)))
51.1	530
107.1	531	=== (% _msthash="460759" _msttexthash="430001" %)2.6.4 Poll sensor value(%%) ===
51.1	532
107.1	533	(% _msthash="315266" _msttexthash="4955821" %)
51.1	534	User can poll sensor value based on timestamps from the server. Below is the downlink command.
	535
107.1	536	[[image:image-20220523152302-15.png\|\|_mstalt="451581"]]
51.1	537
57.12	538	(((
107.1	539	(% _msthash="506077" _msttexthash="14670916" %)
51.1	540	Timestamp start and Timestamp end use Unix TimeStamp format as mentioned above. Devices will reply with all data log during this time period, use the uplink interval.
57.12	541	)))
51.1	542
57.12	543	(((
107.1	544	For example, downlink command (% _mstmutation="1" %)31 5FC5F350 5FC6 0160 05(% style="display:none" %)
57.12	545	)))
51.1	546
57.12	547	(((
108.1	548	(% _msthash="506078" _msttexthash="6907459" %)
51.1	549	Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
57.12	550	)))
51.1	551
57.12	552	(((
108.1	553	(% _msthash="506079" _msttexthash="23531573" %)
51.1	554	Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
57.12	555	)))
51.1	556
	557
107.1	558	=== (% _msthash="650923" _msttexthash="614185" %)2.6.5 Datalog Uplink payload(%%) ===
51.1	559
107.1	560	(% _msthash="315267" _msttexthash="2245087" %)
51.1	561	The Datalog poll reply uplink will use below payload format.
	562
57.13	563	(((
108.1	564	(% _msthash="506080" _msttexthash="451581" %)Retrieval data payload
57.13	565	)))
51.1	566
76.11	567	(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
58.6	568	\|(% style="width:93px" %)(((
76.5	569	(((
107.1	570	(% _msthash="2224750" _msttexthash="161122" %)Size(bytes)
76.5	571	)))
58.6	572	)))\|(% style="width:71px" %)(((
76.5	573	(((
107.1	574	(% _msthash="2224751" _msttexthash="4550" %)2
76.5	575	)))
58.6	576	)))\|(% style="width:102px" %)(((
76.5	577	(((
107.1	578	(% _msthash="2224752" _msttexthash="4550" %)2
76.5	579	)))
58.6	580	)))\|(% style="width:86px" %)(((
76.5	581	(((
107.1	582	(% _msthash="2224753" _msttexthash="4550" %)2
76.5	583	)))
76.6	584	)))\|(% style="width:86px" %)(((
76.5	585	(((
107.1	586	(% _msthash="2224754" _msttexthash="4459" %)1
76.5	587	)))
76.6	588	)))\|(% style="width:48px" %)(((
76.5	589	(((
107.1	590	(% _msthash="2224755" _msttexthash="4732" %)4
58.6	591	)))
76.5	592	)))
58.6	593	\|(% style="width:93px" %)(((
76.5	594	(((
107.1	595	(% _msthash="2224756" _msttexthash="60203" %)Value
76.5	596	)))
58.6	597	)))\|(% style="width:71px" %)(((
76.5	598	(((
107.1	599	[[External sensor data>>\|\|anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672"]]
76.5	600	)))
58.6	601	)))\|(% style="width:102px" %)(((
	602	(((
76.5	603	(((
107.1	604	[[Built In>>\|\|anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065"]]
58.6	605	)))
76.5	606	)))
58.6	607
	608	(((
76.5	609	(((
107.1	610	[[Temperature>>\|\|anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041"]]
58.6	611	)))
76.5	612	)))
58.6	613	)))\|(% style="width:86px" %)(((
	614	(((
76.5	615	(((
107.1	616	[[Built-in>>\|\|anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872"]]
58.6	617	)))
76.5	618	)))
58.6	619
	620	(((
76.5	621	(((
107.1	622	[[Humidity>>\|\|anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429"]]
58.6	623	)))
76.5	624	)))
76.6	625	)))\|(% style="width:86px" %)(((
76.5	626	(((
107.1	627	(% _msthash="2224758" _msttexthash="390390" %)
101.2	628	Poll message flag & Ext
76.5	629	)))
76.6	630	)))\|(% style="width:48px" %)(((
58.6	631	(((
76.5	632	(((
107.1	633	[[Unix Time Stamp>>\|\|anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175"]]
58.6	634	)))
76.5	635	)))
51.1	636
58.6	637	(((
76.5	638	(((
51.1	639
	640	)))
58.6	641	)))
76.5	642	)))
51.1	643
107.1	644	(% _msthash="315268" _msttexthash="390390" %)Poll message flag & Ext
51.1	645
107.1	646	[[image:image-20220523152208-14.png\|\|_mstalt="452920"]]
51.1	647
58.8	648	(((
58.2	649	(((
107.1	650	(% _msthash="736723" _msttexthash="2005003" %)
51.1	651	Poll Message Flag: 1: This message is a poll message reply.
58.2	652	)))
73.2	653	)))
51.1	654
58.2	655	* (((
73.2	656	(((
107.1	657	(% _msthash="1197157" _msttexthash="561548" %)
58.2	658	Poll Message Flag is set to 1.
	659	)))
73.2	660	)))
58.2	661	* (((
73.2	662	(((
107.1	663	(% _msthash="1197158" _msttexthash="9284964" %)
58.2	664	Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
	665	)))
73.2	666	)))
51.1	667
58.2	668	(((
73.2	669	(((
107.1	670	(% _msthash="736724" _msttexthash="2242344" %)
51.1	671	For example, in US915 band, the max payload for different DR is:
58.2	672	)))
73.2	673	)))
51.1	674
58.2	675	(((
73.2	676	(((
107.1	677	(% _msthash="736725" _msttexthash="1065532" %)
58.2	678	a) DR0: max is 11 bytes so one entry of data
	679	)))
73.2	680	)))
51.1	681
58.2	682	(((
73.2	683	(((
107.1	684	(% _msthash="736726" _msttexthash="3265665" %)
58.2	685	b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
	686	)))
73.2	687	)))
51.1	688
58.2	689	(((
73.2	690	(((
108.1	691	(% _msthash="736727" _msttexthash="1454115" style="text-align: left;" %)
58.2	692	c) DR2: total payload includes 11 entries of data
	693	)))
73.2	694	)))
51.1	695
58.2	696	(((
73.2	697	(((
108.1	698	(% _msthash="736728" _msttexthash="1483924" style="text-align: left;" %)
58.2	699	d) DR3: total payload includes 22 entries of data.
	700	)))
73.2	701	)))
51.1	702
58.2	703	(((
73.2	704	(((
108.1	705	(% _msthash="736729" _msttexthash="5848349" style="text-align: left;" %)
51.1	706	If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0
58.2	707	)))
73.2	708	)))
51.1	709
	710
108.1	711	(% style="text-align: left;" %)
107.1	712	(% _msthash="315269" _msttexthash="104767" %)Example:
51.1	713
108.1	714	(% _msthash="315270" _msttexthash="913822" style="text-align: left;" %)
51.1	715	If LHT65N has below data inside Flash:
	716
107.1	717	[[image:image-20220523144455-1.png\|\|_mstalt="430040" height="335" width="735"]]
58.2	718
76.6	719	(((
108.1	720	(% _msthash="506081" _msttexthash="1663961" style="text-align: left;" %)
58.4	721	If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
76.6	722	)))
51.1	723
76.6	724	(((
108.1	725	(% _msthash="506082" _msttexthash="1092494" style="text-align: left;" %)
51.1	726	Where : Start time: 60065F97 = time 21/1/19 04:27:03
76.6	727	)))
51.1	728
76.6	729	(((
108.1	730	(% _msthash="506083" _msttexthash="737269" style="text-align: left;" %)
51.1	731	Stop time 60066DA7= time 21/1/19 05:27:03
76.6	732	)))
51.1	733
76.6	734	(((
	735
	736	)))
51.1	737
76.6	738	(((
108.1	739	(% _msthash="506084" _msttexthash="751218" style="text-align: left;" %)
51.1	740	LHT65N will uplink this payload.
76.6	741	)))
51.1	742
108.1	743	[[image:image-20220523001219-13.png\|\|_mstalt="451204" height="421" style="text-align:left" width="727"]]
51.1	744
108.1	745	(% _msthash="315271" _msttexthash="12012546" style="text-align: left;" %)
51.1	746	7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
	747
108.1	748	(% _msthash="315272" _msttexthash="1656720" style="text-align: left;" %)
	749	where the first 11 bytes represent the first entry:
51.1	750
108.1	751	(% _msthash="315273" _msttexthash="274846" style="text-align: left;" %)
51.1	752	7FFF089801464160065F97
	753
108.1	754	(% _msthash="315274" _msttexthash="838786" style="text-align: left;" %)
	755	External sensor data = 0x7FFF/100 = 327.67
51.1	756
108.1	757	(% _msthash="315275" _msttexthash="497666" style="text-align: left;" %)
	758	temperature = 0x0898 / 100 = 22.00
51.1	759
108.1	760	(% _msthash="315276" _msttexthash="242424" style="text-align: left;" %)
	761	buzz = 0x0146/10 = 32.6
51.1	762
108.1	763	(% _msthash="315277" _msttexthash="2633449" style="text-align: left;" %)
	764	The polling message flag & Ext=0x41, indicating the reply data, Ext=1
51.1	765
108.1	766	(% _msthash="315278" _msttexthash="1274962" style="text-align: left;" %)
	767	The Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
51.1	768
103.1	769
108.1	770	(% style="text-align: left;" %)
	771	== (% _msthash="244504" _msttexthash="188136" %)2.7 alarm mode(%%) ==
51.1	772
108.1	773	(% _msthash="315279" _msttexthash="16493308" style="text-align: left;" %)
	774	when the device is in alarm mode, it checks the built-in sensor temperature for a short time. if the temperature exceeds the preconfigured range, it sends an uplink immediately.
51.1	775
76.6	776	(((
108.1	777	(% style="text-align: left;" %)
	778	(% _msthash="506085" _msttexthash="8782189" style="color:red" %)note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
76.6	779	)))
51.1	780
108.1	781	(% style="text-align: left;" %)
	782	(% _msthash="315280" _msttexthash="363480" %)AT COMMAND FOR ALARM MODE:
51.1	783
58.10	784	(% class="box infomessage" %)
	785	(((
108.1	786	(% _msthash="506086" _msttexthash="2193529" style="text-align: left;" %)
	787	(% _istranslated="1" _mstmutation="1" %)AT+WMOD=1(%%): Enable/disable alarm mode. (0: Disabled, 1: Enabled)
105.1	788
108.1	789	(% _msthash="506087" _msttexthash="3671265" style="text-align: left;" %)
	790	(% _istranslated="1" %)AT+CITEMP=1(%%): The interval between checking the alarm temperature. (In minutes)
103.3	791
108.1	792	(% _msthash="506088" _msttexthash="3310437" style="text-align: left;" %)
	793	(% _istranslated="1" %)AT+ARTEMP(%%): Gets or sets the alarm range of the internal temperature sensor
103.3	794
108.1	795	(% style="text-align: left;" %)
	796	(% _istranslated="1" _mstmutation="1" %)AT+ARTEMP=？ (%%): Gets the alarm range of the internal temperature sensor(% style="display:none" %)
105.1	797
108.1	798	(% _msthash="506089" _msttexthash="3590067" style="text-align: left;" %)
	799	(% _istranslated="1" %)AT+ARTEMP=45,105(%%): Set the internal temperature sensor alarm range from 45 to 105.
58.10	800	)))
51.1	801
105.1	802	== ==
103.1	803
108.1	804	(% style="text-align: left;" %)
	805	== (% _msthash="168103" _msttexthash="59969" %)2.8 led(%%) ==
18.1	806
58.10	807	(((
108.1	808	(% _msthash="506090" _msttexthash="2378701" style="text-align: left;" %)
	809	THE LHT65N HAS TRI-COLOR LEDS THAT MAKE IT EASY TO DISPLAY DIFFERENT STAGES.
58.10	810	)))
19.1	811
58.10	812	(((
108.1	813	(% _msthash="506091" _msttexthash="3959839" style="text-align: left;" %)
	814	WHEN THE ACT BUTTON IS PRESSED, THE LED OPERATES ACCORDING TO THE STATE OF THE LED WITH THE ACT BUTTON.
58.10	815	)))
19.1	816
58.10	817	(((
108.1	818	(% _msthash="506092" _msttexthash="934024" style="text-align: left;" %)
	819	under normal operating conditions:
58.10	820	)))
19.1	821
58.10	822	* (((
108.1	823	(% _msthash="903005" _msttexthash="999700" %)
	824	FOR EACH UPLINK, THE BLUE OR RED LED BLINKS ONCE.
58.10	825	)))
	826	* (((
108.1	827	(% _msthash="903006" _msttexthash="877656" %)
	828	BLUE LED WHEN CONNECTING EXTERNAL SENSORS
58.10	829	)))
	830	* (((
108.1	831	(% _msthash="903007" _msttexthash="1043640" %)
	832	RED LED WHEN AN EXTERNAL SENSOR IS NOT CONNECTED
58.10	833	)))
	834	* (((
108.1	835	(% _msthash="903008" _msttexthash="1585363" %)
	836	FOR EACH SUCCESSFUL DOWNLINK, THE PURPLE LED WILL BLINK ONCE
58.10	837	)))
19.1	838
23.1	839	----
19.1	840
108.1	841	(% style="text-align: left;" %)
	842	== (% _msthash="112034" _msttexthash="277511" %)2.9 installation(%%) ==
21.1	843
108.1	844	[[image:image-20220516231650-1.png\|\|_mstalt="428597" height="436" width="428"]]
21.1	845
108.1	846	(% style="text-align: left;" %)
	847	= (% _msthash="401388" _msttexthash="566956" %)3. sensors and accessories(%%) =
21.1	848
108.1	849	(% style="text-align: left;" %)
	850	== (% _msthash="280358" _msttexthash="340158" %)3.1 E3 TEMPERATURE PROBE(%%) ==
21.1	851
108.1	852	[[image:image-20220515080154-4.png\|\|_mstalt="434681" alt="photo-20220515080154-4.png" height="182" width="161"]] [[image:image-20220515080330-5.png\|\|_mstalt="428792" height="201" width="195"]]
14.1	853
	854
108.1	855	(% _msthash="315354" _msttexthash="1093430" style="text-align: left;" %)
	856	temperature sensor with 2 m cable length
14.1	857
108.1	858	* RESOLUTION: 0.0625°C
	859	* ±0.5°C ACCURACY FROM -10°C TO +85°C
	860	* ±2°C ACCURACY FROM -55°C TO +125°C
	861	* OPERATING RANGE: -40 ~~ 125 °C
107.1	862	* -55°C 至 125°C
108.1	863	* working voltage 2.35v ~~ 5v
14.1	864
108.1	865	(% style="text-align: left;" %)
	866	= (% _msthash="1940107" _msttexthash="1714063" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
52.1	867
76.7	868	(((
108.1	869	(% _msthash="506246" _msttexthash="2005926" style="text-align: left;" %)
52.1	870	Use can configure LHT65N via AT Command or LoRaWAN Downlink.
76.7	871	)))
52.1	872
76.7	873	* (((
107.1	874	(% _msthash="903318" _msttexthash="635544" %)
76.7	875	AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
	876	)))
	877	* (((
107.1	878	(% _msthash="903319" _msttexthash="2004301" %)
76.7	879	LoRaWAN Downlink instruction for different platforms:
	880	)))
52.1	881
76.7	882	(((
108.1	883	(% style="text-align: left;" %)
107.1	884	[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server>>url:http://wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server\|\|_msthash="506247" _msttexthash="3599349"]]
76.7	885	)))
52.1	886
76.7	887	(((
108.1	888	(% _msthash="506248" _msttexthash="2144051" style="text-align: left;" %)
52.1	889	There are two kinds of commands to configure LHT65N, they are:
76.7	890	)))
52.1	891
76.7	892	(((
108.1	893	(% style="text-align: left;" %)
107.1	894	(% _msthash="506249" _msttexthash="317850" style="color:#4f81bd" %)* General Commands.
76.7	895	)))
52.1	896
76.7	897	(((
108.1	898	(% _msthash="506250" _msttexthash="774527" style="text-align: left;" %)
52.1	899	These commands are to configure:
76.7	900	)))
52.1	901
76.7	902	* (((
107.1	903	(% _msthash="903320" _msttexthash="1503580" %)
76.7	904	General system settings like: uplink interval.
	905	)))
	906	* (((
107.1	907	(% _msthash="903321" _msttexthash="1244334" %)
76.7	908	LoRaWAN protocol & radio-related commands.
	909	)))
52.1	910
76.7	911	(((
108.1	912	(% _msthash="506251" _msttexthash="8343023" style="text-align: left;" %)
52.1	913	They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~~). These commands can be found on the wiki:
76.7	914	)))
52.1	915
76.7	916	(((
108.1	917	(% style="text-align: left;" %)
107.1	918	[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command\|\|_msthash="506252" _msttexthash="3434769"]]
76.7	919	)))
52.1	920
76.7	921	(((
108.1	922	(% style="text-align: left;" %)
107.1	923	(% style="color:#4f81bd" %)* (% _msthash="506253" _msttexthash="792038" %)Commands special design for LHT65N
76.7	924	)))
52.1	925
76.7	926	(((
108.1	927	(% _msthash="506254" _msttexthash="1501357" style="text-align: left;" %)
52.1	928	These commands are only valid for LHT65N, as below:
76.7	929	)))
52.1	930
108.1	931	(% style="text-align: left;" %)
107.1	932	== (% _msthash="708253" _msttexthash="668772" %)4.1 Set Transmit Interval Time(%%) ==
52.1	933
108.1	934	(% _msthash="315355" _msttexthash="1659268" style="text-align: left;" %)
52.1	935	Feature: Change LoRaWAN End Node Transmit Interval.
	936
108.1	937	(% style="text-align: left;" %)
107.1	938	(% _msthash="315356" _msttexthash="241696" %)AT Command: AT+TDC
52.1	939
107.1	940	[[image:image-20220523150701-2.png\|\|_mstalt="427453"]]
52.1	941
76.8	942	(((
108.1	943	(% style="text-align: left;" %)
107.1	944	(% _msthash="506255" _msttexthash="381992" %)Downlink Command: 0x01
76.8	945	)))
52.1	946
76.8	947	(((
108.1	948	(% _msthash="506256" _msttexthash="1996592" style="text-align: left;" %)
52.1	949	Format: Command Code (0x01) followed by 3 bytes time value.
76.8	950	)))
52.1	951
76.8	952	(((
108.1	953	(% _msthash="506257" _msttexthash="12934649" style="text-align: left;" %)
52.1	954	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
76.8	955	)))
52.1	956
76.8	957	* (((
107.1	958	(% _msthash="903322" _msttexthash="3250546" %)
76.8	959	Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
	960	)))
	961	* (((
107.1	962	(% _msthash="903323" _msttexthash="3253315" %)
76.8	963	Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	964	)))
52.1	965
108.1	966	(% style="text-align: left;" %)
107.1	967	== (% _msthash="614770" _msttexthash="578240" %)4.2 Set External Sensor Mode(%%) ==
52.1	968
108.1	969	(% _msthash="315357" _msttexthash="975117" style="text-align: left;" %)
52.1	970	Feature: Change External Sensor Mode.
	971
108.1	972	(% style="text-align: left;" %)
107.1	973	(% _msthash="315358" _msttexthash="248118" %)AT Command: AT+EXT
52.1	974
107.1	975	[[image:image-20220523150759-3.png\|\|_mstalt="432146"]]
52.1	976
76.8	977	(((
108.1	978	(% style="text-align: left;" %)
107.1	979	(% _msthash="506258" _msttexthash="387855" %)Downlink Command: 0xA2
76.8	980	)))
52.1	981
76.8	982	(((
108.1	983	(% _msthash="506259" _msttexthash="395629" style="text-align: left;" %)
52.1	984	Total bytes: 2 ~~ 5 bytes
76.8	985	)))
52.1	986
76.8	987	(((
107.1	988	(% _msthash="506260" _msttexthash="104767" %)Example:
76.8	989	)))
52.1	990
76.8	991	* (((
107.1	992	(% _msthash="903324" _msttexthash="934973" %)
76.8	993	0xA201: Set external sensor type to E1
	994	)))
	995	* (((
107.1	996	(% _msthash="903325" _msttexthash="354770" %)
76.8	997	0xA209: Same as AT+EXT=9
	998	)))
	999	* (((
107.1	1000	(% _msthash="903326" _msttexthash="639067" %)
76.8	1001	0xA20702003c,Same as AT+SETCNT=60
	1002	)))
52.1	1003
108.1	1004	(% style="text-align: left;" %)
107.1	1005	== (% _msthash="1562483" _msttexthash="1445717" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
52.1	1006
108.1	1007	(% _msthash="315359" _msttexthash="2977572" style="text-align: left;" %)
52.1	1008	Feature: If PID is enabled, device will send the temperature probe ID on:
	1009
	1010	* First Packet after OTAA Join
	1011	* Every 24 hours since the first packet.
	1012
108.1	1013	(% _msthash="315360" _msttexthash="658814" style="text-align: left;" %)
52.1	1014	PID is default set to disable (0)
	1015
108.1	1016	(% style="text-align: left;" %)
107.1	1017	(% _msthash="315361" _msttexthash="137488" %)AT Command:
52.1	1018
107.1	1019	[[image:image-20220523150928-4.png\|\|_mstalt="431821"]]
52.1	1020
108.1	1021	(% style="text-align: left;" %)
107.1	1022	(% _msthash="315362" _msttexthash="298038" %)Downlink Command:
52.1	1023
66.2	1024	* 0xA800 ~-~-> AT+PID=0
	1025	* 0xA801 ~-~-> AT+PID=1
52.1	1026
108.1	1027	(% style="text-align: left;" %)
107.1	1028	== (% _msthash="266344" _msttexthash="242879" %)4.4 Set Password(%%) ==
52.1	1029
108.1	1030	(% _msthash="315363" _msttexthash="1170728" style="text-align: left;" %)
52.1	1031	Feature: Set device password, max 9 digits
	1032
108.1	1033	(% style="text-align: left;" %)
107.1	1034	(% _msthash="315364" _msttexthash="295009" %)AT Command: AT+PWORD
52.1	1035
107.1	1036	[[image:image-20220523151052-5.png\|\|_mstalt="428623"]]
52.1	1037
76.8	1038	(((
108.1	1039	(% style="text-align: left;" %)
107.1	1040	(% _msthash="506261" _msttexthash="298038" %)Downlink Command:
76.8	1041	)))
52.1	1042
76.8	1043	(((
108.1	1044	(% _msthash="506262" _msttexthash="974311" style="text-align: left;" %)
52.1	1045	No downlink command for this feature.
76.8	1046	)))
52.1	1047
108.1	1048	(% style="text-align: left;" %)
107.1	1049	== (% _msthash="306956" _msttexthash="281918" %)4.5 Quit AT Command(%%) ==
52.1	1050
108.1	1051	(% _msthash="315365" _msttexthash="4616456" style="text-align: left;" %)
52.1	1052	Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
	1053
108.1	1054	(% style="text-align: left;" %)
107.1	1055	(% _msthash="315366" _msttexthash="289120" %)AT Command: AT+DISAT
52.1	1056
107.1	1057	[[image:image-20220523151132-6.png\|\|_mstalt="428649"]]
52.1	1058
108.1	1059	(% style="text-align: left;" %)
107.1	1060	(% _msthash="315367" _msttexthash="298038" %)Downlink Command:
52.1	1061
108.1	1062	(% _msthash="315368" _msttexthash="974311" style="text-align: left;" %)
52.1	1063	No downlink command for this feature.
	1064
108.1	1065	(% style="text-align: left;" %)
107.1	1066	== (% _msthash="362752" _msttexthash="334919" %)4.6 Set to sleep mode(%%) ==
52.1	1067
108.1	1068	(% _msthash="315369" _msttexthash="779688" style="text-align: left;" %)
52.1	1069	Feature: Set device to sleep mode
	1070
108.1	1071	(% style="text-align: left;" %)
107.1	1072	(% _msthash="315370" _msttexthash="289783" %)AT Command: AT+SLEEP
52.1	1073
107.1	1074	[[image:image-20220523151218-7.png\|\|_mstalt="430703"]]
52.1	1075
107.1	1076	(% _msthash="315371" _msttexthash="298038" %)Downlink Command:
52.1	1077
	1078	* There is no downlink command to set to Sleep mode.
	1079
107.1	1080	== (% _msthash="336557" _msttexthash="309712" %)4.7 Set system time(%%) ==
52.1	1081
107.1	1082	(% _msthash="315372" _msttexthash="2565524" %)
103.2	1083	Feature: Set system time, unix format. [[See here for format detail.>>\|\|anchor="H2.6.2UnixTimeStamp"]]
52.1	1084
107.1	1085	(% _msthash="315373" _msttexthash="137488" %)AT Command:
52.1	1086
107.1	1087	[[image:image-20220523151253-8.png\|\|_mstalt="430677"]]
52.1	1088
107.1	1089	(% _msthash="315374" _msttexthash="298038" %)Downlink Command:
52.1	1090
107.1	1091	(% _msthash="315375" _msttexthash="2898571" %)
52.1	1092	0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
	1093
107.1	1094	== (% _msthash="376779" _msttexthash="348712" %)4.8 Set Time Sync Mode(%%) ==
52.1	1095
76.8	1096	(((
107.1	1097	(% _msthash="506263" _msttexthash="11748321" %)
52.1	1098	Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
76.8	1099	)))
52.1	1100
76.8	1101	(((
107.1	1102	(% _msthash="506264" _msttexthash="6530264" %)
52.1	1103	SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user need to set this to 0.
76.8	1104	)))
52.1	1105
76.8	1106	(((
107.1	1107	(% _msthash="506265" _msttexthash="137488" %)AT Command:
76.8	1108	)))
52.1	1109
107.1	1110	[[image:image-20220523151336-9.png\|\|_mstalt="431717"]]
52.1	1111
107.1	1112	(% _msthash="315376" _msttexthash="298038" %)Downlink Command:
52.1	1113
107.1	1114	(% _msthash="315377" _msttexthash="479648" %)
52.1	1115	0x28 01 ~/~/ Same As AT+SYNCMOD=1
	1116
107.1	1117	(% _msthash="315378" _msttexthash="479076" %)
52.1	1118	0x28 00 ~/~/ Same As AT+SYNCMOD=0
	1119
107.1	1120	== (% _msthash="536432" _msttexthash="502528" %)4.9 Set Time Sync Interval(%%) ==
52.1	1121
107.1	1122	(% _msthash="315379" _msttexthash="3065777" %)
52.1	1123	Feature: Define System time sync interval. SYNCTDC default value: 10 days.
	1124
107.1	1125	(% _msthash="315380" _msttexthash="137488" %)AT Command:
52.1	1126
107.1	1127	[[image:image-20220523151411-10.png\|\|_mstalt="449696"]]
52.1	1128
107.1	1129	(% _msthash="315381" _msttexthash="298038" %)Downlink Command:
52.1	1130
107.1	1131	(% _msthash="315382" _msttexthash="590044" %)
52.1	1132	0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
	1133
107.1	1134	== (% _msthash="927901" _msttexthash="882570" %)4.10 Print data entries base on page.(%%) ==
52.1	1135
107.1	1136	(% _msthash="315383" _msttexthash="3233334" %)
52.1	1137	Feature: Print the sector data from start page to stop page (max is 416 pages).
	1138
107.1	1139	(% _msthash="315384" _msttexthash="264953" %)AT Command: AT+PDTA
52.1	1140
107.1	1141	[[image:image-20220523151450-11.png\|\|_mstalt="451035"]]
52.1	1142
107.1	1143	(% _msthash="315385" _msttexthash="298038" %)Downlink Command:
52.1	1144
107.1	1145	(% _msthash="315386" _msttexthash="799539" %)
52.1	1146	No downlink commands for feature
	1147
107.1	1148	== (% _msthash="788762" _msttexthash="747149" %)4.11 Print last few data entries.(%%) ==
52.1	1149
107.1	1150	(% _msthash="315387" _msttexthash="1101009" %)
52.1	1151	Feature: Print the last few data entries
	1152
107.1	1153	(% _msthash="315388" _msttexthash="288522" %)AT Command: AT+PLDTA
52.1	1154
107.1	1155	[[image:image-20220523151524-12.png\|\|_mstalt="452101"]]
52.1	1156
107.1	1157	(% _msthash="315389" _msttexthash="298038" %)Downlink Command:
52.1	1158
107.1	1159	(% _msthash="315390" _msttexthash="799539" %)
52.1	1160	No downlink commands for feature
	1161
107.1	1162	== (% _msthash="437814" _msttexthash="408057" %)4.12 Clear Flash Record(%%) ==
52.1	1163
107.1	1164	(% _msthash="315391" _msttexthash="1609075" %)
52.1	1165	Feature: Clear flash storage for data log feature.
	1166
107.1	1167	(% _msthash="315392" _msttexthash="311415" %)AT Command: AT+CLRDTA
52.1	1168
107.1	1169	[[image:image-20220523151556-13.png\|\|_mstalt="454129"]]
52.1	1170
107.1	1171	(% _msthash="315393" _msttexthash="388193" %)Downlink Command: 0xA3
52.1	1172
	1173	* Example: 0xA301 ~/~/Same as AT+CLRDTA
	1174
107.1	1175	== (% _msthash="740532" _msttexthash="701363" %)4.13 Auto Send None-ACK messages(%%) ==
90.1	1176
107.1	1177	(% _msthash="315394" _msttexthash="51837149" %)
90.1	1178	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.
	1179
	1180
107.1	1181	(% _msthash="315395" _msttexthash="334256" %)AT Command: AT+PNACKMD
90.1	1182
107.1	1183	(% _msthash="315396" _msttexthash="734682" %)
90.1	1184	The default factory setting is 0
	1185
100.2	1186	(% border="1" style="background-color:#ffffcc; color:green; width:450px" %)
107.1	1187	\|=(% style="width: 171px;" %)(% _msthash="1231737" _msttexthash="251862" %)Command Example\|=(% style="width: 219px;" %)(% _msthash="1231738" _msttexthash="116025" %)Function\|=(% style="width: 119px;" %)(% _msthash="1231739" _msttexthash="116831" %)Response
	1188	\|(% _msthash="1231321" _msttexthash="130455" style="width:171px" %)AT+PNACKMD=1\|(% _msthash="1231322" _msttexthash="377026" style="width:219px" %)Poll None-ACK message\|(% _msthash="1231323" _msttexthash="14989" style="width:119px" %)OK
90.1	1189
107.1	1190	(% _msthash="315397" _msttexthash="383981" %)Downlink Command: 0x34
90.1	1191
	1192	* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
	1193
107.1	1194	= (% _msthash="568737" _msttexthash="502827" %)5. Battery & How to replace(%%) =
52.1	1195
107.1	1196	== (% _msthash="265486" _msttexthash="242073" %)5.1 Battery Type(%%) ==
11.1	1197
107.1	1198	(% _msthash="315398" _msttexthash="33754799" %)
11.1	1199	LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters.
	1200
73.2	1201	(((
11.1	1202	The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
107.1	1203	[[image:image-20220515075034-1.png\|\|_mstalt="428961" height="208" width="644"]]
73.2	1204	)))
11.1	1205
73.2	1206	(((
11.1	1207	The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
	1208
73.2	1209	)))
11.1	1210
107.1	1211	== (% _msthash="353795" _msttexthash="326703" %)5.2 Replace Battery(%%) ==
11.1	1212
107.1	1213	(% _msthash="315399" _msttexthash="11289278" %)
11.1	1214	LHT65N has two screws on the back, Unscrew them, and changing the battery inside is ok. The battery is a general CR17450 battery. Any brand should be ok.
	1215
107.1	1216	[[image:image-20220515075440-2.png\|\|_mstalt="429546" height="338" width="272"]][[image:image-20220515075625-3.png\|\|_mstalt="431574" height="193" width="257"]]
11.1	1217
107.1	1218	== (% _msthash="494650" _msttexthash="462241" %)5.3 Battery Life Analyze(%%) ==
11.1	1219
73.2	1220	(((
108.1	1221	(% _msthash="506266" _msttexthash="35479028" %)
11.1	1222	Dragino battery-powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimated battery life:
	1223	https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
73.2	1224	)))
11.1	1225
107.1	1226	= (% _msthash="183170" _msttexthash="163566" %)6. Order Info(%%) =
11.1	1227
73.2	1228	(((
108.1	1229	(% _msthash="506267" _msttexthash="432432" %)
76.8	1230	Part Number: (% style="color:#4f81bd" %) LHT65N-XX-YY
73.2	1231	)))
2.1	1232
73.2	1233	(((
108.1	1234	(% _msthash="506268" _msttexthash="686946" %)
73.2	1235	(% style="color:#4f81bd" %)XX (%%): The default frequency band
	1236	)))
2.1	1237
73.2	1238	* (((
107.1	1239	(% _msthash="903327" _msttexthash="393341" %)
73.2	1240	(% style="color:#4f81bd" %) AS923(%%): LoRaWAN AS923 band
	1241	)))
	1242	* (((
107.1	1243	(% _msthash="903328" _msttexthash="394576" %)
73.2	1244	(% style="color:#4f81bd" %) AU915(%%): LoRaWAN AU915 band
	1245	)))
	1246	* (((
107.1	1247	(% _msthash="903329" _msttexthash="393913" %)
73.2	1248	(% style="color:#4f81bd" %) EU433(%%): LoRaWAN EU433 band
	1249	)))
	1250	* (((
107.1	1251	(% _msthash="903330" _msttexthash="399087" %)
73.2	1252	(% style="color:#4f81bd" %) EU868(%%): LoRaWAN EU868 band
	1253	)))
	1254	* (((
107.1	1255	(% _msthash="903331" _msttexthash="395109" %)
73.2	1256	(% style="color:#4f81bd" %) KR920(%%): LoRaWAN KR920 band
	1257	)))
	1258	* (((
107.1	1259	(% _msthash="903332" _msttexthash="400842" %)
73.2	1260	(% style="color:#4f81bd" %) US915(%%): LoRaWAN US915 band
	1261	)))
	1262	* (((
107.1	1263	(% _msthash="903333" _msttexthash="396487" %)
73.2	1264	(% style="color:#4f81bd" %) IN865(%%): LoRaWAN IN865 band
	1265	)))
	1266	* (((
107.1	1267	(% _msthash="903334" _msttexthash="390923" %)
73.2	1268	(% style="color:#4f81bd" %) CN470(%%): LoRaWAN CN470 band
	1269	)))
4.1	1270
73.2	1271	(((
108.1	1272	(% _msthash="506269" _msttexthash="443495" %)
73.2	1273	(% style="color:#4f81bd" %)YY(%%): Sensor Accessories
	1274	)))
14.1	1275
73.2	1276	* (((
107.1	1277	(% _msthash="903335" _msttexthash="720135" %)
73.2	1278	(% style="color:#4f81bd" %)E3(%%): External Temperature Probe
	1279	)))
14.1	1280
107.1	1281	= (% _msthash="233363" _msttexthash="211237" %)7. Packing Info(%%) =
4.1	1282
73.2	1283	(((
108.1	1284	(% _msthash="506270" _msttexthash="295386" %)
4.1	1285	Package Includes:
73.2	1286	)))
4.1	1287
73.2	1288	* (((
107.1	1289	(% _msthash="903336" _msttexthash="1033149" %)
73.2	1290	LHT65N Temperature & Humidity Sensor x 1
	1291	)))
	1292	* (((
107.1	1293	(% _msthash="903337" _msttexthash="242567" %)
73.2	1294	Program cable x 1
	1295	)))
	1296	* (((
107.1	1297	(% _msthash="903338" _msttexthash="544167" %)
73.2	1298	Optional external sensor
	1299	)))
4.1	1300
73.2	1301	(((
108.1	1302	(% _msthash="506271" _msttexthash="403858" %)
4.1	1303	Dimension and weight:
73.2	1304	)))
4.1	1305
73.2	1306	* (((
107.1	1307	(% _msthash="903339" _msttexthash="391807" %)
73.2	1308	Device Size: 13.5 x 7 x 3 cm
	1309	)))
	1310	* (((
107.1	1311	(% _msthash="903340" _msttexthash="285298" %)
73.2	1312	Device Weight: 105g
	1313	)))
	1314	* (((
107.1	1315	(% _msthash="903341" _msttexthash="562926" %)
73.2	1316	Package Size / pcs : 14.5 x 8 x 5 cm
	1317	)))
	1318	* (((
107.1	1319	(% _msthash="903342" _msttexthash="227084" %)
73.2	1320	Weight / pcs : 170g
	1321	)))
4.1	1322
107.1	1323	= (% _msthash="198744" _msttexthash="178776" %)8. FCC Warning(%%) =
7.1	1324
73.2	1325	(((
108.1	1326	(% _msthash="506272" _msttexthash="6034353" %)
7.1	1327	This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
73.2	1328	)))
7.1	1329
73.2	1330	(((
108.1	1331	(% _msthash="506273" _msttexthash="44097638" %)
55.4	1332	(1) This device may not cause harmful interference；
73.2	1333	)))
7.1	1334
73.2	1335	(((
108.1	1336	(% _msthash="506274" _msttexthash="7559773" %)
55.4	1337	(2) this device must accept any interference received, including interference that may cause undesired operation.
73.2	1338	)))

Wiki source code of LHT65N LoRaWAN Temperature & Humidity Sensor Manual

Applications