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Details

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1		-(% style="text-align:center" %)
2		-[[image:image-20220523115324-1.jpeg||height="500" width="500"]]
3		-
4		-
5		-**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
6		-
7		-
8		-
9		-**Table of Contents：**
10		-
	1	+{{box cssClass="floatinginfobox" title="**Contents**"}}
11	11	{{toc/}}
	3	+{{/box}}
12	12
	5	+(% class="wikigeneratedid" %)
	6	+= =
13	13
14		-
	8	+(% class="wikigeneratedid" %)
15	15	= 1.Introduction =
16	16
17		-== 1.1 What is LHT65N Temperature & Humidity Sensor ==
	11	+== 1.1 Overview ==
18	18
19		-(((
20		-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**(%%)**.**
21		-)))
	13	+[[image:LHT65N_10.png||alt="LHT65_Image" height="265" width="265"]]
22	22
23		-(((
	15	+
	16	+The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a(% class="mark" %) **built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% class="mark" %)**Temperature Sensor**(%%)**.**
	17	+
24	24	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.
25		-)))
26	26
27		-(((
28	28	LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
29		-)))
30	30
31		-(((
32	32	LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
33		-)))
34	34
35		-(((
36		-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.
37		-)))
	24	+LHT65N supports (% class="mark" %)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.
38	38
39		-(((
40	40	*The actual battery life depends on how often to send data, please see the battery analyzer chapter.
41		-)))
42	42
43		-== 1.2 Features ==
44	44
	29	+== Features: ==
	30	+
45	45	* Wall mountable
46	46	* LoRaWAN v1.0.3 Class A protocol
47	47	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
...	...	@@ -54,87 +54,55 @@
54	54	* Tri-color LED to indicate working status
55	55	* Datalog feature
56	56
57		-== 1.3 Specification ==
	43	+== Specification: ==
58	58
59		-(((
60	60	**Built-in Temperature Sensor:**
61		-)))
62	62
63		-* (((
64		-Resolution: 0.01 °C
65		-)))
66		-* (((
67		-Accuracy Tolerance : Typ ±0.3 °C
68		-)))
69		-* (((
70		-Long Term Drift: < 0.02 °C/yr
71		-)))
72		-* (((
73		-Operating Range: -40 ~~ 85 °C
74		-)))
	47	+* Resolution: 0.01 °C
	48	+* Accuracy Tolerance : Typ ±0.3 °C
	49	+* Long Term Drift: < 0.02 °C/yr
	50	+* Operating Range: -40 ~~ 85 °C
75	75
76		-(((
77	77	**Built-in Humidity Sensor:**
78		-)))
79	79
80		-* (((
81		-Resolution: 0.04 %RH
82		-)))
83		-* (((
84		-Accuracy Tolerance : Typ ±3 %RH
85		-)))
86		-* (((
87		-Long Term Drift: < 0.02 °C/yr
88		-)))
89		-* (((
90		-Operating Range: 0 ~~ 96 %RH
91		-)))
	54	+* Resolution: 0.04 %RH
	55	+* Accuracy Tolerance : Typ ±3 %RH
	56	+* Long Term Drift: < 0.02 °C/yr
	57	+* Operating Range: 0 ~~ 96 %RH
92	92
93		-(((
94	94	**External Temperature Sensor:**
95		-)))
96	96
97		-* (((
98		-Resolution: 0.0625 °C
99		-)))
100		-* (((
101		-±0.5°C accuracy from -10°C to +85°C
102		-)))
103		-* (((
104		-±2°C accuracy from -55°C to +125°C
105		-)))
106		-* (((
107		-Operating Range: -55 °C ~~ 125 °C
108		-)))
	61	+* Resolution: 0.0625 °C
	62	+* ±0.5°C accuracy from -10°C to +85°C
	63	+* ±2°C accuracy from -55°C to +125°C
	64	+* Operating Range: -55 °C ~~ 125 °C
109	109
110		-= 2. Connect LHT65N to IoT Server =
	66	+= Connect LHT65N to IoT Server =
111	111
112		-== 2.1 How does LHT65N work? ==
	68	+== How does LHT65N work? ==
113	113
114		-(((
115	115	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.
116		-)))
117	117
118		-(((
119	119	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.
120		-)))
121	121
122		-== 2.2 How to Activate LHT65N? ==
123	123
	75	+== How to Activate LHT65N? ==
	76	+
124	124	The LHT65N has two working modes:
125	125
126	126	* **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
127	127	* **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.
128	128
129		-(((
130	130	The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
131		-)))
132	132
133	133	[[image:image-20220515123819-1.png||height="379" width="317"]]
134	134
135		-[[image:image-20220523153201-19.png||height="163" width="739"]]
	86	+|**Behavior on ACT**|**Function**|**Action**
	87	+|**Pressing ACT between 1s < time < 3s**|Test uplink status|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.
	88	+|**Pressing ACT for more than 3s**|Active Device|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.
	89	+|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
136	136
137		-== 2.3 Example to join LoRaWAN network ==
	91	+== Example to join LoRaWAN network ==
138	138
139	139	(% class="wikigeneratedid" %)
140	140	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.
...	...	@@ -145,7 +145,7 @@
145	145	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:
146	146
147	147
148		-=== 2.3.1 Step 1: Create Device n TTN ===
	102	+=== **Step 1**: Create Device n TTN ===
149	149
150	150	Create a device in TTN V3 with the OTAA keys from LHT65N.
151	151
...	...	@@ -159,8 +159,10 @@
159	159
160	160	[[image:image-20220522232916-3.png]]
161	161
	116	+
162	162	[[image:image-20220522232932-4.png]]
163	163
	119	+
164	164	[[image:image-20220522232954-5.png]]
165	165
166	166	Note: LHT65N use same payload as LHT65.
...	...	@@ -173,60 +173,37 @@
173	173	[[image:image-20220522233118-7.png]]
174	174
175	175
176		-=== 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
	132	+=== Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
177	177
178	178	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.
179	179
180		-[[image:image-20220522233300-8.png||height="219" width="722"]]
	136	+[[image:image-20220522233300-8.png]]
181	181
182	182
183		-== 2.4 Uplink Payload ==
	139	+== Uplink Payload: ==
184	184
185		-The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
	141	+The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
186	186
187		-After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
	143	+After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
188	188
189		-(% border="1" style="background-color:#ffffcc; color:green; width:426px" %)
190		-|(% style="width:97px" %)(((
191		-**Size(bytes)**
192		-)))|(% style="width:39px" %)(((
193		-**2**
194		-)))|(% style="width:100px" %)(((
195		-**2**
196		-)))|(% style="width:77px" %)(((
197		-**2**
198		-)))|(% style="width:47px" %)(((
199		-**1**
200		-)))|(% style="width:51px" %)(((
201		-**4**
202		-)))
203		-|(% style="width:97px" %)(((
204		-**Value**
205		-)))|(% style="width:39px" %)(((
206		-[[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]]
207		-)))|(% style="width:100px" %)(((
208		-(((
209		-[[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]]
210		-)))
211		-)))|(% style="width:77px" %)(((
212		-(((
213		-[[Built-in>>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]]
214		-)))
215	215
216		-(((
217		-[[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]]
218		-)))
219		-)))|(% style="width:47px" %)(((
220		-[[Ext>>path:#Extension_Sensor]] #
221		-)))|(% style="width:51px" %)(((
222		-[[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]]
223		-)))
	146	+(% style="width:572px" %)
	147	+|(% style="width:106px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:128px" %)**2**|(% style="width:103px" %)**2**|(% style="width:72px" %)**1**|(% style="width:89px" %)**4**
	148	+|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
	149	+[[Built-In>>path:#SHT20_Temperature]]
224	224
	151	+[[Temperature>>path:#SHT20_Temperature]]
	152	+)))|(% style="width:103px" %)(((
	153	+[[Built-in>>path:#SHT20_Humidity]]
	154	+
	155	+[[Humidity>>path:#SHT20_Humidity]]
	156	+)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
	157	+
225	225	* The First 6 bytes: has fix meanings for every LHT65N.
226	226	* The 7th byte (EXT #): defines the external sensor model.
227	227	* The 8^^th^^ ~~ 11^^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.)
228	228
229		-=== 2.4.1 Decoder in TTN V3 ===
	162	+=== Decoder in TTN V3 ===
230	230
231	231	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.
232	232
...	...	@@ -234,24 +234,37 @@
234	234
235	235	[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
236	236
237		-[[image:image-20220522234118-10.png||height="353" width="729"]]
	170	+[[image:image-20220522234118-10.png]]
238	238
239		-=== 2.4.2 BAT-Battery Info ===
240	240
	173	+=== BAT-Battery Info ===
	174	+
241	241	These two bytes of BAT include the battery state and the actually voltage
242	242
243		-[[image:image-20220523152839-18.png]]
	177	+(% style="width:646px" %)
	178	+|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
	179	+|Value|(% style="width:272px" %)(((
	180	+BAT Status
244	244
245		-[[image:image-20220522235639-1.png||height="139" width="727"]]
	182	+00(b): Ultra Low ( BAT <= 2.50v)
246	246
	184	+01(b): Low  (2.50v <=BAT <= 2.55v)
	185	+
	186	+10(b): OK   (2.55v <= BAT <=2.65v)
	187	+
	188	+11(b): Good   (BAT >= 2.65v)
	189	+)))|(% style="width:214px" %)Actually BAT voltage
	190	+
	191	+[[image:image-20220522235639-1.png]]
	192	+
247	247	Check the battery voltage for LHT65N.
248	248
249	249	* BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
250	250	* Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
251	251
252		-=== 2.4.3 Built-in Temperature ===
	198	+=== Built-in Temperature ===
253	253
254		-[[image:image-20220522235639-2.png||height="138" width="722"]]
	200	+[[image:image-20220522235639-2.png]]
255	255
256	256	* Temperature:  0x0ABB/100=27.47℃
257	257
...	...	@@ -259,92 +259,72 @@
259	259
260	260	* Temperature:  (0xF5C6-65536)/100=-26.18℃
261	261
262		-=== 2.4.4 Built-in Humidity ===
	208	+=== Built-in Humidity ===
263	263
264		-[[image:image-20220522235639-4.png||height="138" width="722"]]
	210	+[[image:image-20220522235639-4.png]]
265	265
266	266	* Humidity:    0x025C/10=60.4%
267	267
268		-=== 2.4.5 Ext # ===
	214	+=== Ext # ===
269	269
270	270	Bytes for External Sensor:
271	271
272		-[[image:image-20220523152822-17.png]]
	218	+(% style="width:624px" %)
	219	+|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
	220	+|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
	221	+|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
273	273
274		-=== 2.4.6 Ext value ===
	223	+=== Ext value ===
275	275
276		-==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
	225	+==== Ext~=1, E3 Temperature Sensor ====
277	277
278	278	[[image:image-20220522235639-5.png]]
279	279
	229	+
280	280	* DS18B20 temp=0x0ADD/100=27.81℃
281	281
282	282	The last 2 bytes of data are meaningless
283	283
	234	+
	235	+
284	284	[[image:image-20220522235639-6.png]]
285	285
286	286	* External temperature= (0xF54F-65536)/100=-27.37℃
287	287
288		-(((
289	289	The last 2 bytes of data are meaningless
290		-)))
291	291
292		-(((
	242	+
293	293	If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
294		-)))
295	295
296	296
297		-==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
	246	+==== Ext~=9, E3 sensor with Unix Timestamp ====
298	298
299	299	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:
300	300
301		-(% border="1" style="background-color:#ffffcc; color:green; width:468px" %)
302		-|(% style="width:96px" %)(((
303		-**Size(bytes)**
304		-)))|(% style="width:71px" %)(((
305		-**2**
306		-)))|(% style="width:99px" %)(((
307		-**2**
308		-)))|(% style="width:132px" %)(((
309		-**2**
310		-)))|(% style="width:54px" %)(((
311		-**1**
312		-)))|(% style="width:64px" %)(((
313		-**4**
314		-)))
315		-|(% style="width:96px" %)(((
316		-**Value**
317		-)))|(% style="width:71px" %)(((
318		-[[External temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.2SetExternalSensorMode]]
319		-)))|(% style="width:99px" %)(((
320		-(((
321		-[[Built-In>>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]]
322		-)))
323	323
324		-(((
325		-[[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]]
326		-)))
327		-)))|(% style="width:132px" %)(((
328		-(((
329		-BAT Status &
330		-)))
	251	+(% style="width:697px" %)
	252	+|(% style="width:96px" %)**Size(bytes)**|(% style="width:164px" %)**2**|(% style="width:104px" %)**2**|(% style="width:106px" %)**2**|(% style="width:108px" %)**1**|(% style="width:116px" %)**4**
	253	+|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
	254	+[[Built-In>>path:#SHT20_Temperature]]
331	331
332		-(((
333		-[[Built-in Humidity>>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]]
	256	+[[Temperature>>path:#SHT20_Temperature]]
	257	+)))|(% style="width:106px" %)(((
	258	+[[BAT Status &>>path:#BAT_Humidity]]
	259	+
	260	+[[Built-in>>path:#BAT_Humidity]]
	261	+
	262	+[[Humidity>>path:#BAT_Humidity]]
	263	+)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
	264	+[[Unix>>path:#Unix_Time_Stamp]]
	265	+
	266	+[[Time Stamp>>path:#Unix_Time_Stamp]]
334	334	)))
335		-)))|(% style="width:54px" %)(((
336		-Status & Ext
337		-)))|(% style="width:64px" %)(((
338		-(((
339		-[[Unix Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.1SetTransmitIntervalTime]]
340		-)))
341		-)))
342	342
343		-* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
	269	+* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
344	344
345		-(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
346		-|(% style="width:65px" %)Bit(bit)|(% style="width:267px" %)[15:14]|(% style="width:134px" %)[11:0]
347		-|(% style="width:65px" %)Value|(% style="width:267px" %)(((
	271	+(% style="width:587px" %)
	272	+|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
	273	+|Value|(% style="width:280px" %)(((
348	348	BAT Status
349	349
350	350	00(b): Ultra Low ( BAT <= 2.50v)
...	...	@@ -354,8 +354,8 @@
354	354	10(b): OK   (2.55v <= BAT <=2.65v)
355	355
356	356	11(b): Good   (BAT >= 2.65v)
357		-)))|(% style="width:134px" %)(((
358		-[[Built-in 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]]
	283	+)))|(% style="width:136px" %)(((
	284	+[[Built-in Humidity>>path:#SHT20_Humidity]]
359	359
360	360
361	361	)))
...	...	@@ -362,27 +362,29 @@
362	362
363	363	* **Status & Ext Byte**
364	364
365		-[[image:image-20220523152434-16.png]]
	291	+(% style="width:732px" %)
	292	+|(% style="width:128px" %)**Bits**|(% style="width:102px" %)**7**|(% style="width:145px" %)**6**|(% style="width:117px" %)**5**|(% style="width:147px" %)**4**|(% style="width:90px" %)**[3:0]**
	293	+|(% style="width:128px" %)**Status & Ext**|(% style="width:102px" %)Not Defined|(% style="width:145px" %)Poll Message Flag|(% style="width:117px" %)Sync time OK|(% style="width:147px" %)Unix Time Request|(% style="width:90px" %)(((
	294	+Ext:
366	366
	296	+0b(1001)
	297	+)))
	298	+
367	367	* Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
368	368	* 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.
369	369	* 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)
370	370
371		-== 2.5 Show data on Datacake ==
	303	+== Show data on Datacake ==
372	372
373	373	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:
374	374
375		-(((
	307	+
376	376	**Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
377		-)))
378	378
379		-(((
380	380	**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.
381		-)))
382	382
383		-(((
	312	+
384	384	Add Datacake:
385		-)))
386	386
387	387	[[image:image-20220523000825-7.png||height="262" width="583"]]
388	388
...	...	@@ -391,17 +391,21 @@
391	391
392	392	[[image:image-20220523000825-8.png||height="453" width="406"]]
393	393
	322	+
394	394	In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
395	395
396	396	[[image:image-20220523000825-9.png||height="366" width="392"]]
397	397
398		-[[image:image-20220523000825-10.png||height="413" width="728"]]
399	399
400		-== 2.6 Datalog Feature ==
401	401
	329	+[[image:image-20220523000825-10.png||height="432" width="762"]]
	330	+
	331	+
	332	+== Datalog Feature ==
	333	+
402	402	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.
403	403
404		-=== 2.6.1 Unix TimeStamp ===
	336	+=== Unix TimeStamp ===
405	405
406	406	LHT65N uses Unix TimeStamp format based on
407	407
...	...	@@ -408,215 +408,100 @@
408	408	[[image:image-20220523001219-11.png||height="97" width="627"]]
409	409
410	410
411		-(((
412	412	User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
413		-)))
414	414
415		-(((
416	416	Below is the converter example
417		-)))
418	418
419		-[[image:image-20220523001219-12.png||height="298" width="720"]]
	347	+[[image:image-20220523001219-12.png||height="353" width="853"]]
420	420
421	421	So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
422	422
423		-=== 2.6.2 Set Device Time ===
424	424
425		-(((
	352	+=== Set Device Time ===
	353	+
426	426	There are two ways to set device’s time:
427		-)))
428	428
429		-(((
430	430	**~1. Through LoRaWAN MAC Command (Default settings)**
431		-)))
432	432
433		-(((
434	434	User need to set SYNCMOD=1 to enable sync time via MAC command.
435		-)))
436	436
437		-(((
438	438	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).
439		-)))
440	440
441		-(((
442	442	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.
443		-)))
444	444
445		-(((
446		-
447		-)))
448	448
449		-(((
450	450	**2. Manually Set Time**
451		-)))
452	452
453		-(((
454	454	User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
455		-)))
456	456
457		-=== 2.6.3 Poll sensor value ===
458	458
	370	+=== Poll sensor value ===
	371	+
459	459	User can poll sensor value based on timestamps from the server. Below is the downlink command.
460	460
461		-[[image:image-20220523152302-15.png]]
462	462
463		-(((
	375	+(% style="width:454px" %)
	376	+|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
	377	+|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
	378	+
464	464	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.
465		-)))
466	466
467		-(((
468		-For example, downlink command **31 5FC5F350 5FC6 0160 05**
469		-)))
470	470
471		-(((
	382	+For example, downlink command 31 5FC5F350 5FC6 0160 05
	383	+
472	472	Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
473		-)))
474	474
475		-(((
476	476	Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
477		-)))
478	478
479	479
480		-=== 2.6.4 Datalog Uplink payload ===
	389	+=== Datalog Uplink payload ===
481	481
482	482	The Datalog poll reply uplink will use below payload format.
483	483
484		-(((
485		-**Retrieval data payload**
486		-)))
487	487
488		-(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
489		-|(% style="width:93px" %)(((
490		-(((
491		-**Size(bytes)**
492		-)))
493		-)))|(% style="width:71px" %)(((
494		-(((
495		-**2**
496		-)))
497		-)))|(% style="width:102px" %)(((
498		-(((
499		-**2**
500		-)))
501		-)))|(% style="width:86px" %)(((
502		-(((
503		-**2**
504		-)))
505		-)))|(% style="width:86px" %)(((
506		-(((
507		-**1**
508		-)))
509		-)))|(% style="width:48px" %)(((
510		-(((
511		-**4**
512		-)))
513		-)))
514		-|(% style="width:93px" %)(((
515		-(((
516		-**Value**
517		-)))
518		-)))|(% style="width:71px" %)(((
519		-(((
520		-[[External sensor data>>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]]
521		-)))
522		-)))|(% style="width:102px" %)(((
523		-(((
524		-(((
525		-[[Built In>>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]]
526		-)))
527		-)))
	394	+Retrieval data payload
528	528
529		-(((
530		-(((
531		-[[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]]
532		-)))
533		-)))
534		-)))|(% style="width:86px" %)(((
535		-(((
536		-(((
537		-[[Built-in>>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]]
538		-)))
539		-)))
	396	+|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
	397	+|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
	398	+[[Built-In>>path:#SHT20_Temperature]]
540	540
541		-(((
542		-(((
543		-[[Humidity>>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]]
544		-)))
545		-)))
546		-)))|(% style="width:86px" %)(((
547		-(((
548		-[[Poll message flag & Ext>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.6.4DatalogUplinkpayload]]
549		-)))
550		-)))|(% style="width:48px" %)(((
551		-(((
552		-(((
553		-[[Unix Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.6.1UnixTimeStamp]]
554		-)))
555		-)))
	400	+[[Temperature>>path:#SHT20_Temperature]]
	401	+)))|(((
	402	+[[Built-in>>path:#SHT20_Humidity]]
556	556
557		-(((
558		-(((
	404	+[[Humidity>>path:#SHT20_Humidity]]
	405	+)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
	406	+[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
	407	+
559	559
560	560	)))
561		-)))
562		-)))
563	563
564		-**Poll message flag & Ext**
	411	+Poll message flag & Ext
565	565
566		-[[image:image-20220523152208-14.png]]
567	567
568		-(((
569		-(((
570		-Poll Message Flag: 1: This message is a poll message reply.
571		-)))
572		-)))
	414	+|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
	415	+|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
	416	+Ext:
573	573
574		-* (((
575		-(((
576		-Poll Message Flag is set to 1.
	418	+0b(1001)
577	577	)))
578		-)))
579		-* (((
580		-(((
581		-Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
582		-)))
583		-)))
584	584
585		-(((
586		-(((
	421	+Poll Message Flag: 1: This message is a poll message reply.
	422	+
	423	+* Poll Message Flag is set to 1.
	424	+* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
	425	+
587	587	For example, in US915 band, the max payload for different DR is:
588		-)))
589		-)))
590	590
591		-(((
592		-(((
593		-a) DR0: max is 11 bytes so one entry of data
594		-)))
595		-)))
	428	+a)      DR0: max is 11 bytes so one entry of data
596	596
597		-(((
598		-(((
599		-b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
600		-)))
601		-)))
	430	+b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
602	602
603		-(((
604		-(((
605		-c) DR2: total payload includes 11 entries of data
606		-)))
607		-)))
	432	+c)      DR2: total payload includes 11 entries of data
608	608
609		-(((
610		-(((
611		-d) DR3: total payload includes 22 entries of data.
612		-)))
613		-)))
	434	+d)      DR3: total payload includes 22 entries of data.
614	614
615		-(((
616		-(((
617	617	If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0
618		-)))
619		-)))
620	620
621	621
622	622	**Example:**
...	...	@@ -623,29 +623,37 @@
623	623
624	624	If LHT65N has below data inside Flash:
625	625
626		-[[image:image-20220523144455-1.png||height="335" width="735"]]
	443	+Flash Addr   |Unix Time | Ext | BAT voltage|  Value
627	627
628		-(((
629		-If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
630		-)))
	445	+80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
631	631
632		-(((
	447	+80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
	448	+
	449	+8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
	450	+
	451	+8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
	452	+
	453	+8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
	454	+
	455	+8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
	456	+
	457	+8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
	458	+
	459	+8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
	460	+
	461	+
	462	+If user sends below downlink command:
	463	+
	464	+3160065F9760066DA705
	465	+
633	633	Where : Start time: 60065F97 = time 21/1/19 04:27:03
634		-)))
635	635
636		-(((
637	637	Stop time 60066DA7= time 21/1/19 05:27:03
638		-)))
639	639
640		-(((
641		-
642		-)))
643	643
644		-(((
645	645	LHT65N will uplink this payload.
646		-)))
647	647
648		-[[image:image-20220523001219-13.png||height="421" width="727"]]
	473	+[[image:image-20220523001219-13.png]]
649	649
650	650	7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
651	651
...	...	@@ -663,69 +663,49 @@
663	663
664	664	Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
665	665
666		-== 2.7 Alarm Mode ==
667	667
	492	+== Alarm Mode ==
	493	+
668	668	Alarm mode feature is added since firmware v1.5. When device is in Alarm mode, it will check the built-in sensor temperature in a short interval. If the temperature exceeds the pre-configure range, it will send an uplink immediately.
669	669
670		-(((
671		-(% style="color:red" %)Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
672		-)))
673	673
674		-(((
675		-**AT Commands for Alarm mode:**
676		-)))
	497	+Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
677	677
678		-(% class="box infomessage" %)
679		-(((
680		-(((
	499	+
	500	+AT Commands for Alarm mode:
	501	+
681	681	**AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
682		-)))
683		-)))
684	684
685		-(% class="box infomessage" %)
686		-(((
687		-(((
688	688	**AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
689		-)))
690		-)))
691	691
692		-== 2.8 LED Indicator ==
693	693
694		-(((
	507	+
	508	+== LED Indicator ==
	509	+
695	695	The LHT65N has a triple color LED which for easy shows different stage.
696		-)))
697	697
698		-(((
699	699	While pressing ACT button, the LED will work as per LED status with ACT button.
700		-)))
701	701
702		-(((
703	703	In a normal working state:
704		-)))
705	705
706		-* (((
707		-For each uplink, the BLUE LED or RED LED will blink once.
708		-)))
709		-* (((
710		-BLUE LED when an external sensor is connected
711		-)))
712		-* (((
713		-RED LED when an external sensor is not connected
714		-)))
715		-* (((
716		-For each success downlink, the PURPLE LED will blink once
717		-)))
	516	+* For each uplink, the BLUE LED or RED LED will blink once.
	517	+* BLUE LED when an external sensor is connected
	518	+* RED LED when an external sensor is not connected
	519	+* For each success downlink, the PURPLE LED will blink once
718	718
719	719	----
720	720
721		-== 2.9 Installation ==
	523	+== Installation ==
722	722
723	723	[[image:image-20220516231650-1.png||height="436" width="428"]]
724	724
725		-= 3. Sensors & Accessories =
726	726
727		-== 3.1 E3 Temperature Probe ==
728	728
	529	+
	530	+= Sensors & Accessories =
	531	+
	532	+== E3 Temperature Probe ==
	533	+
729	729	[[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
730	730
731	731
...	...	@@ -738,7 +738,7 @@
738	738	* -55°C to 125°C
739	739	* Working voltage 2.35v ~~ 5v
740	740
741		-= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
	546	+= Configure LHT65N via AT Command or LoRaWAN Downlink =
742	742
743	743	Use can configure LHT65N via AT Command or LoRaWAN Downlink.
744	744
...	...	@@ -747,9 +747,10 @@
747	747
748	748	[[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]]
749	749
	555	+
750	750	There are two kinds of commands to configure LHT65N, they are:
751	751
752		-(% style="color:#4f81bd" %)* **General Commands**.
	558	+* **General Commands**.
753	753
754	754	These commands are to configure:
755	755
...	...	@@ -760,18 +760,33 @@
760	760
761	761	[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
762	762
763		-(% style="color:#4f81bd" %)* **Commands special design for LHT65N**
764	764
	570	+
	571	+* **Commands special design for LHT65N**
	572	+
765	765	These commands are only valid for LHT65N, as below:
766	766
767		-== 4.1 Set Transmit Interval Time ==
768	768
	576	+== Set Transmit Interval Time ==
	577	+
769	769	Feature: Change LoRaWAN End Node Transmit Interval.
770	770
771	771	**AT Command: AT+TDC**
772	772
773		-[[image:image-20220523150701-2.png]]
	582	+|**Command Example**|**Function**|**Response**
	583	+|AT+TDC?|Show current transmit Interval|(((
	584	+30000
774	774
	586	+OK
	587	+
	588	+the interval is 30000ms = 30s
	589	+)))
	590	+|AT+TDC=60000|Set Transmit Interval|(((
	591	+OK
	592	+
	593	+Set transmit interval to 60000ms = 60 seconds
	594	+)))
	595	+
775	775	**Downlink Command: 0x01**
776	776
777	777	Format: Command Code (0x01) followed by 3 bytes time value.
...	...	@@ -778,28 +778,37 @@
778	778
779	779	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
780	780
781		-* **Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
782		-* **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	602	+* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
	603	+* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
783	783
784		-== 4.2 Set External Sensor Mode ==
	605	+== Set External Sensor Mode ==
785	785
786	786	Feature: Change External Sensor Mode.
787	787
788	788	**AT Command: AT+EXT**
789	789
790		-[[image:image-20220523150759-3.png]]
	611	+|**Command Example**|**Function**|**Response**
	612	+|AT+EXT?|Get current external sensor mode|(((
	613	+1
791	791
	615	+OK
	616	+
	617	+External Sensor mode =1
	618	+)))
	619	+|AT+EXT=1|(% colspan="2" %)Set external sensor mode to 1
	620	+|AT+EXT=9|(% colspan="2" %)Set to external DS18B20 with timestamp
	621	+
792	792	**Downlink Command: 0xA2**
793	793
794	794	Total bytes: 2 ~~ 5 bytes
795	795
796		-**Example:**
	626	+Example:
797	797
798	798	* 0xA201: Set external sensor type to E1
799	799	* 0xA209: Same as AT+EXT=9
800	800	* 0xA20702003c,Same as AT+SETCNT=60
801	801
802		-== 4.3 Enable/Disable uplink Temperature probe ID ==
	632	+== Enable/Disable uplink Temperature probe ID ==
803	803
804	804	Feature: If PID is enabled, device will send the temperature probe ID on:
805	805
...	...	@@ -808,72 +808,101 @@
808	808
809	809	PID is default set to disable (0)
810	810
	641	+
811	811	**AT Command:**
812	812
813		-[[image:image-20220523150928-4.png]]
	644	+|**Command Example**|**Function**|**Response**
	645	+|AT+PID=1|Enable PID uplink|OK
814	814
815	815	**Downlink Command:**
816	816
817		-* 0xA800  **~-~->** AT+PID=0
818		-* 0xA801     **~-~->** AT+PID=1
	649	+* 0xA800     à AT+PID=0
	650	+* 0xA801     à AT+PID=1
819	819
820		-== 4.4 Set Password ==
821	821
	653	+== Set Password ==
	654	+
822	822	Feature: Set device password, max 9 digits
823	823
824	824	**AT Command: AT+PWORD**
825	825
826		-[[image:image-20220523151052-5.png]]
	659	+|**Command Example**|**Function**|**Response**
	660	+|AT+PWORD=?|Show password|(((
	661	+123456
827	827
	663	+
	664	+OK
	665	+)))
	666	+|AT+PWORD=999999|Set password|OK
	667	+
828	828	**Downlink Command:**
829	829
830	830	No downlink command for this feature.
831	831
832		-== 4.5 Quit AT Command ==
833	833
	673	+== Quit AT Command ==
	674	+
834	834	Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
835	835
836	836	**AT Command: AT+DISAT**
837	837
838		-[[image:image-20220523151132-6.png]]
	679	+|**Command Example**|**Function**|**Response**
	680	+|AT+DISAT|Quit AT Commands mode|OK
839	839
840	840	**Downlink Command:**
841	841
842	842	No downlink command for this feature.
843	843
844		-== 4.6 Set to sleep mode ==
845	845
	687	+== Set to sleep mode ==
	688	+
846	846	Feature: Set device to sleep mode
847	847
848	848	**AT Command: AT+SLEEP**
849	849
850		-[[image:image-20220523151218-7.png]]
	693	+| | |
	694	+|**Command Example**|**Function**|**Response**
	695	+|AT+SLEEP|Set to sleep mode|(((
	696	+Clear all stored sensor data…
851	851
	698	+OK
	699	+)))
	700	+
852	852	**Downlink Command:**
853	853
854	854	* There is no downlink command to set to Sleep mode.
855	855
856		-== 4.7 Set system time ==
857	857
	706	+== Set system time ==
	707	+
858	858	Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
859	859
860	860	**AT Command:**
861	861
862		-[[image:image-20220523151253-8.png]]
	712	+|**Command Example**|**Function**
	713	+|AT+TIMESTAMP=1611104352|(((
	714	+OK
863	863
	716	+Set System time to 2021-01-20 00:59:12
	717	+)))
	718	+
864	864	**Downlink Command:**
865	865
866	866	0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
867	867
868		-== 4.8 Set Time Sync Mode ==
869	869
	724	+== Set Time Sync Mode ==
	725	+
870	870	Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
871	871
	728	+
872	872	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.
873	873
	731	+
874	874	**AT Command:**
875	875
876		-[[image:image-20220523151336-9.png]]
	734	+|**Command Example**|**Function**
	735	+|AT+SYNCMOD=1|Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
877	877
878	878	**Downlink Command:**
879	879
...	...	@@ -881,169 +881,197 @@
881	881
882	882	0x28 00 ~/~/ Same As AT+SYNCMOD=0
883	883
884		-== 4.9 Set Time Sync Interval ==
885	885
	744	+== Set Time Sync Interval ==
	745	+
886	886	Feature: Define System time sync interval. SYNCTDC default value: 10 days.
887	887
888	888	**AT Command:**
889	889
890		-[[image:image-20220523151411-10.png]]
	750	+|**Command Example**|**Function**
	751	+|AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
891	891
892	892	**Downlink Command:**
893	893
894	894	0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
895	895
896		-== 4.10 Print data entries base on page. ==
897	897
	758	+== Print data entries base on page. ==
	759	+
898	898	Feature: Print the sector data from start page to stop page (max is 416 pages).
899	899
900	900	**AT Command: AT+PDTA**
901	901
902		-[[image:image-20220523151450-11.png]]
	764	+|**Command Example**|**Response**
	765	+|(((
	766	+AT+PDTA=1,3
903	903
	768	+
	769	+
	770	+Print page 1 to 3
	771	+)))|(((
	772	+8019500 19/6/26 16:48 1 2992 sht_temp=28.21 sht_hum=71.5 ds_temp=27.31
	773	+
	774	+8019510 19/6/26 16:53 1 2994 sht_temp=27.64 sht_hum=69.3 ds_temp=26.93
	775	+
	776	+8019520 19/6/26 16:58 1 2996 sht_temp=28.39 sht_hum=72.0 ds_temp=27.06
	777	+
	778	+8019530 19/6/26 17:03 1 2996 sht_temp=27.97 sht_hum=70.4 ds_temp=27.12
	779	+
	780	+8019540 19/6/26 17:08 1 2996 sht_temp=27.80 sht_hum=72.9 ds_temp=27.06
	781	+
	782	+8019550 19/6/26 17:13 1 2998 sht_temp=27.30 sht_hum=72.4 ds_temp=26.68
	783	+
	784	+8019560 19/6/26 17:22 1 2992 sht_temp=26.27 sht_hum=62.3 ds_temp=26.56
	785	+
	786	+8019570
	787	+
	788	+8019580
	789	+
	790	+8019590
	791	+
	792	+80195A0
	793	+
	794	+80195B0
	795	+
	796	+80195C0
	797	+
	798	+80195D0
	799	+
	800	+80195E0
	801	+
	802	+80195F0
	803	+
	804	+
	805	+OK
	806	+)))
	807	+
904	904	**Downlink Command:**
905	905
906	906	No downlink commands for feature
907	907
908		-== 4.11 Print last few data entries. ==
909	909
	813	+
	814	+== Print last few data entries. ==
	815	+
910	910	Feature: Print the last few data entries
911	911
912	912	**AT Command: AT+PLDTA**
913	913
914		-[[image:image-20220523151524-12.png]]
	820	+|**Command Example**|**Response**
	821	+|(((
	822	+AT+PLDTA=5
915	915
	824	+
	825	+
	826	+Print last 5 entries
	827	+)))|(((
	828	+Stop Tx and RTP events when read sensor data
	829	+
	830	+1 19/6/26 13:59 1 3005 sht_temp=27.09 sht_hum=79.5 ds_temp=26.75
	831	+
	832	+2 19/6/26 14:04 1 3007 sht_temp=26.65 sht_hum=74.8 ds_temp=26.43
	833	+
	834	+3 19/6/26 14:09 1 3007 sht_temp=26.91 sht_hum=77.9 ds_temp=26.56
	835	+
	836	+4 19/6/26 14:15 1 3007 sht_temp=26.93 sht_hum=76.7 ds_temp=26.75
	837	+
	838	+5 19/6/26 14:20 1 3007 sht_temp=26.78 sht_hum=76.6 ds_temp=26.43
	839	+
	840	+Start Tx and RTP events
	841	+
	842	+OK
	843	+)))
	844	+
916	916	**Downlink Command:**
917	917
918	918	No downlink commands for feature
919	919
920		-== 4.12 Clear Flash Record ==
921	921
	850	+
	851	+== Clear Flash Record ==
	852	+
922	922	Feature: Clear flash storage for data log feature.
923	923
924	924	**AT Command: AT+CLRDTA**
925	925
926		-[[image:image-20220523151556-13.png]]
	857	+|**Command Example**|**Function**|**Response**
	858	+|AT+CLRDTA|Clear date record|(((
	859	+Clear all stored sensor data…
927	927
	861	+OK
	862	+)))
	863	+
928	928	**Downlink Command: 0xA3**
929	929
930	930	* Example: 0xA301 ~/~/Same as AT+CLRDTA
931	931
932		-= 5. Battery & How to replace =
933	933
934		-== 5.1 Battery Type ==
935	935
	870	+= Battery & How to replace =
	871	+
	872	+== Battery Type ==
	873	+
936	936	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.
937	937
938		-(((
939	939	The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
940	940	[[image:image-20220515075034-1.png||height="208" width="644"]]
941		-)))
942	942
943		-(((
	879	+
944	944	The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
945	945
946		-)))
947	947
948		-== 5.2 Replace Battery ==
	883	+== Replace Battery ==
949	949
950	950	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.
951	951
952	952	[[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
953	953
954		-== 5.3 Battery Life Analyze ==
955	955
956		-(((
	890	+== Battery Life Analyze ==
	891	+
957	957	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:
958	958	https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
959		-)))
960	960
961		-= 6. Order Info =
962	962
963		-(((
964		-Part Number: (% style="color:#4f81bd" %)** LHT65N-XX**
965		-)))
	896	+= Order Info =
966	966
967		-(((
968		-(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
969		-)))
	898	+Part Number: (% class="mark" %)**LHT65N-XX**
970	970
971		-* (((
972		-(% style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
973		-)))
974		-* (((
975		-(% style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
976		-)))
977		-* (((
978		-(% style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
979		-)))
980		-* (((
981		-(% style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
982		-)))
983		-* (((
984		-(% style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
985		-)))
986		-* (((
987		-(% style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
988		-)))
989		-* (((
990		-(% style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
991		-)))
992		-* (((
993		-(% style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
994		-)))
	900	+**XX**: The default frequency band
995	995
996		-(((
997		-(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
998		-)))
	902	+* **AS923**: LoRaWAN AS923 band
	903	+* **AU915**: LoRaWAN AU915 band
	904	+* **EU433**: LoRaWAN EU433 band
	905	+* **EU868**: LoRaWAN EU868 band
	906	+* **KR920**: LoRaWAN KR920 band
	907	+* **US915**: LoRaWAN US915 band
	908	+* **IN865**: LoRaWAN IN865 band
	909	+* **CN470**: LoRaWAN CN470 band
999	999
1000		-* (((
1001		-(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
1002		-)))
	911	+**YY**: Sensor Accessories
1003	1003
1004		-= 7. Packing Info =
	913	+* **E3**: External Temperature Probe
1005	1005
1006		-(((
	915	+= Packing Info =
	916	+
1007	1007	**Package Includes**:
1008		-)))
1009	1009
1010		-* (((
1011		-LHT65N Temperature & Humidity Sensor x 1
1012		-)))
1013		-* (((
1014		-Program cable x 1
1015		-)))
1016		-* (((
1017		-Optional external sensor
1018		-)))
	919	+* LHT65N Temperature & Humidity Sensor x 1
	920	+* Program cable x 1
	921	+* Optional external sensor
1019	1019
1020		-(((
1021	1021	**Dimension and weight**:
1022		-)))
1023	1023
1024		-* (((
1025		-Device Size:  13.5 x 7 x 3 cm
1026		-)))
1027		-* (((
1028		-Device Weight: 105g
1029		-)))
1030		-* (((
1031		-Package Size / pcs : 14.5 x 8 x 5 cm
1032		-)))
1033		-* (((
1034		-Weight / pcs : 170g
1035		-)))
	925	+* Device Size:  13.5 x 7 x 3 cm
	926	+* Device Weight: 105g
	927	+* Package Size / pcs : 14.5 x 8 x 5 cm
	928	+* Weight / pcs : 170g
1036	1036
1037		-= 8. FCC Warning =
	930	+= FCC Warning =
1038	1038
1039		-(((
1040	1040	This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1041		-)))
1042	1042
1043		-(((
1044		-(1) This device may not cause harmful interference；
1045		-)))
	934	+(1) This device may not cause harmful interference, and
1046	1046
1047		-(((
1048		-(2) this device must accept any interference received, including interference that may cause undesired operation.
1049		-)))
	936	+(2) this device must accept any interference received, including interference that may cause undesired operation

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