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1		-XWiki.Xiaoling
	1	+XWiki.Edwin

Content

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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	+= Overview =
13	13
	7	+[[image:LHT65N_10.png||alt="LHT65_Image" height="265" width="265"]]
14	14
15		-= 1.Introduction =
16	16
17		-== 1.1 What is LHT65N Temperature & Humidity Sensor ==
	10	+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**(%%)**.**
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		-)))
22		-
23		-(((
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		-)))
	18	+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
	23	+== Features: ==
	24	+
45	45	* Wall mountable
46	46	* LoRaWAN v1.0.3 Class A protocol
47	47	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
...	...	@@ -54,91 +54,55 @@
54	54	* Tri-color LED to indicate working status
55	55	* Datalog feature
56	56
57		-== 1.3 Specification ==
	37	+== 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		-)))
	41	+* Resolution: 0.01 °C
	42	+* Accuracy Tolerance : Typ ±0.3 °C
	43	+* Long Term Drift: < 0.02 °C/yr
	44	+* 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		-)))
	48	+* Resolution: 0.04 %RH
	49	+* Accuracy Tolerance : Typ ±3 %RH
	50	+* Long Term Drift: < 0.02 °C/yr
	51	+* 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		-)))
	55	+* Resolution: 0.0625 °C
	56	+* ±0.5°C accuracy from -10°C to +85°C
	57	+* ±2°C accuracy from -55°C to +125°C
	58	+* Operating Range: -55 °C ~~ 125 °C
109	109
110		-= 2. Connect LHT65N to IoT Server =
	60	+= Connect LHT65N to IoT Server =
111	111
112		-== 2.1 How does LHT65N work? ==
	62	+== 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
	69	+== How to Activate LHT65N? ==
	70	+
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		-(% border="1" style="background-color:#ffffcc; color:green; width:739px" %)
136		-|**Behavior on ACT**|**Function**|(% style="width:424px" %)**Action**
137		-|**Pressing ACT between 1s < time < 3s**|Test uplink status|(% style="width:424px" %)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.
138		-|**Pressing ACT for more than 3s**|Active Device|(% style="width:424px" %)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.
139		-|**Fast press ACT 5 times**|Deactivate Device|(% style="width:424px" %)red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
	80	+|**Behavior on ACT**|**Function**|**Action**
	81	+|**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.
	82	+|**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.
	83	+|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
140	140
141		-== 2.3 Example to join LoRaWAN network ==
	85	+== Example to join LoRaWAN network ==
142	142
143	143	(% class="wikigeneratedid" %)
144	144	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.
...	...	@@ -149,7 +149,7 @@
149	149	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:
150	150
151	151
152		-=== 2.3.1 Step 1: Create Device n TTN ===
	96	+=== **Step 1**: Create Device n TTN ===
153	153
154	154	Create a device in TTN V3 with the OTAA keys from LHT65N.
155	155
...	...	@@ -163,8 +163,10 @@
163	163
164	164	[[image:image-20220522232916-3.png]]
165	165
	110	+
166	166	[[image:image-20220522232932-4.png]]
167	167
	113	+
168	168	[[image:image-20220522232954-5.png]]
169	169
170	170	Note: LHT65N use same payload as LHT65.
...	...	@@ -177,65 +177,37 @@
177	177	[[image:image-20220522233118-7.png]]
178	178
179	179
180		-=== 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
	126	+=== Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
181	181
182	182	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.
183	183
184		-[[image:image-20220522233300-8.png||height="219" width="722"]]
	130	+[[image:image-20220522233300-8.png]]
185	185
186	186
187		-== 2.4 Uplink Payload ==
	133	+== Uplink Payload: ==
188	188
189		-The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
	135	+The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
190	190
191		-After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
	137	+After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
192	192
193	193
194		-(% border="1" style="background-color:#ffffcc; color:green; width:428px" %)
195		-|(% style="width:106px" %)(((
196		-**Size(bytes)**
197		-)))|(% style="width:46px" %)(((
198		-**2**
199		-)))|(% style="width:104px" %)(((
200		-**2**
201		-)))|(% style="width:80px" %)(((
202		-**2**
203		-)))|(% style="width:51px" %)(((
204		-**1**
205		-)))|(% style="width:35px" %)(((
206		-**4**
207		-)))
208		-|(% style="width:106px" %)(((
209		-**Value**
210		-)))|(% style="width:46px" %)(((
211		-[[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]]
212		-)))|(% style="width:104px" %)(((
213		-(((
214		-[[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]]
215		-)))
	140	+(% style="width:572px" %)
	141	+|(% 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**
	142	+|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
	143	+[[Built-In>>path:#SHT20_Temperature]]
216	216
217		-(((
218		-[[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]]
219		-)))
220		-)))|(% style="width:80px" %)(((
221		-(((
222		-[[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]]
223		-)))
	145	+[[Temperature>>path:#SHT20_Temperature]]
	146	+)))|(% style="width:103px" %)(((
	147	+[[Built-in>>path:#SHT20_Humidity]]
224	224
225		-(((
226		-[[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]]
227		-)))
228		-)))|(% style="width:51px" %)(((
229		-[[Ext>>path:#Extension_Sensor]] #
230		-)))|(% style="width:35px" %)(((
231		-[[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]]
232		-)))
	149	+[[Humidity>>path:#SHT20_Humidity]]
	150	+)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
233	233
234	234	* The First 6 bytes: has fix meanings for every LHT65N.
235	235	* The 7th byte (EXT #): defines the external sensor model.
236	236	* 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.)
237	237
238		-=== 2.4.1 Decoder in TTN V3 ===
	156	+=== Decoder in TTN V3 ===
239	239
240	240	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.
241	241
...	...	@@ -243,47 +243,28 @@
243	243
244	244	[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
245	245
246		-[[image:image-20220522234118-10.png||height="353" width="729"]]
	164	+[[image:image-20220522234118-10.png]]
247	247
248		-=== 2.4.2 BAT-Battery Info ===
249	249
	167	+=== BAT-Battery Info ===
	168	+
250	250	These two bytes of BAT include the battery state and the actually voltage
251	251
252		-(% border="1" style="background-color:#ffffcc; color:green; width:502px" %)
253		-|(% style="width:75px" %)(((
254		-Bit(bit)
255		-)))|(% style="width:259px" %)(((
256		-[15:14]
257		-)))|(% style="width:164px" %)(((
258		-[13:0]
259		-)))
260		-|(% style="width:75px" %)(((
261		-Value
262		-)))|(% style="width:259px" %)(((
263		-(((
	171	+(% style="width:646px" %)
	172	+|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
	173	+|Value|(% style="width:272px" %)(((
264	264	BAT Status
265		-)))
266	266
267		-(((
268	268	00(b): Ultra Low ( BAT <= 2.50v)
269		-)))
270	270
271		-(((
272	272	01(b): Low  (2.50v <=BAT <= 2.55v)
273		-)))
274	274
275		-(((
276	276	10(b): OK   (2.55v <= BAT <=2.65v)
277		-)))
278	278
279		-(((
280	280	11(b): Good   (BAT >= 2.65v)
281		-)))
282		-)))|(% style="width:164px" %)(((
283		-Actually BAT voltage
284		-)))
	183	+)))|(% style="width:214px" %)Actually BAT voltage
285	285
286		-[[image:image-20220522235639-1.png||height="139" width="727"]]
	185	+[[image:image-20220522235639-1.png]]
287	287
288	288	Check the battery voltage for LHT65N.
289	289
...	...	@@ -290,9 +290,9 @@
290	290	* BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
291	291	* Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
292	292
293		-=== 2.4.3 Built-in Temperature ===
	192	+=== Built-in Temperature ===
294	294
295		-[[image:image-20220522235639-2.png||height="138" width="722"]]
	194	+[[image:image-20220522235639-2.png]]
296	296
297	297	* Temperature:  0x0ABB/100=27.47℃
298	298
...	...	@@ -300,69 +300,72 @@
300	300
301	301	* Temperature:  (0xF5C6-65536)/100=-26.18℃
302	302
303		-=== 2.4.4 Built-in Humidity ===
	202	+=== Built-in Humidity ===
304	304
305		-[[image:image-20220522235639-4.png||height="138" width="722"]]
	204	+[[image:image-20220522235639-4.png]]
306	306
307	307	* Humidity:    0x025C/10=60.4%
308	308
309		-=== 2.4.5 Ext # ===
	208	+=== Ext # ===
310	310
311	311	Bytes for External Sensor:
312	312
313		-(% border="1" style="background-color:#ffffcc; color:green; width:473px" %)
314		-|(% style="width:139px" %)**EXT # Value**|(% style="width:331px" %)**External Sensor Type**
315		-|(% style="width:139px" %)0x01|(% style="width:331px" %)Sensor E3, Temperature Sensor
316		-|(% style="width:139px" %)0x09|(% style="width:331px" %)Sensor E3, Temperature Sensor, Datalog Mod
	212	+(% style="width:624px" %)
	213	+|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
	214	+|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
	215	+|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
317	317
318		-=== 2.4.6 Ext value ===
	217	+=== Ext value ===
319	319
320		-==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
	219	+==== Ext~=1, E3 Temperature Sensor ====
321	321
322	322	[[image:image-20220522235639-5.png]]
323	323
	223	+
324	324	* DS18B20 temp=0x0ADD/100=27.81℃
325	325
326	326	The last 2 bytes of data are meaningless
327	327
	228	+
	229	+
328	328	[[image:image-20220522235639-6.png]]
329	329
330	330	* External temperature= (0xF54F-65536)/100=-27.37℃
331	331
332		-(((
333	333	The last 2 bytes of data are meaningless
334		-)))
335	335
336		-(((
	236	+
337	337	If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
338		-)))
339	339
340	340
341		-==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
	240	+==== Ext~=9, E3 sensor with Unix Timestamp ====
342	342
343	343	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:
344	344
345		-(% border="1" style="background-color:#ffffcc; color:green; width:541px" %)
346		-|(% style="width:96px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:69px" %)**2**|(% style="width:88px" %)**2**|(% style="width:69px" %)**1**|(% style="width:85px" %)**4**
347		-|(% style="width:96px" %)**Value**|(% style="width:71px" %)[[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]]|(% style="width:69px" %)(((
348		-[[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]]
349	349
350		-[[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]]
351		-)))|(% style="width:88px" %)(((
352		-BAT Status &
	245	+(% style="width:697px" %)
	246	+|(% 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**
	247	+|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
	248	+[[Built-In>>path:#SHT20_Temperature]]
353	353
354		-[[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/#H2.4.4Built-inHumidity]]
	250	+[[Temperature>>path:#SHT20_Temperature]]
	251	+)))|(% style="width:106px" %)(((
	252	+[[BAT Status &>>path:#BAT_Humidity]]
355	355
356		-[[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]]
357		-)))|(% style="width:69px" %)Status & Ext|(% style="width:85px" %)(((
358		-[[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]]
	254	+[[Built-in>>path:#BAT_Humidity]]
	255	+
	256	+[[Humidity>>path:#BAT_Humidity]]
	257	+)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
	258	+[[Unix>>path:#Unix_Time_Stamp]]
	259	+
	260	+[[Time Stamp>>path:#Unix_Time_Stamp]]
359	359	)))
360	360
361		-* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
	263	+* **Battery status & **[[(% class="wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
362	362
363		-(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
364		-|(% style="width:65px" %)Bit(bit)|(% style="width:267px" %)[15:14]|(% style="width:134px" %)[11:0]
365		-|(% style="width:65px" %)Value|(% style="width:267px" %)(((
	265	+(% style="width:587px" %)
	266	+|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
	267	+|Value|(% style="width:280px" %)(((
366	366	BAT Status
367	367
368	368	00(b): Ultra Low ( BAT <= 2.50v)
...	...	@@ -372,8 +372,8 @@
372	372	10(b): OK   (2.55v <= BAT <=2.65v)
373	373
374	374	11(b): Good   (BAT >= 2.65v)
375		-)))|(% style="width:134px" %)(((
376		-[[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]]
	277	+)))|(% style="width:136px" %)(((
	278	+[[Built-in Humidity>>path:#SHT20_Humidity]]
377	377
378	378
379	379	)))
...	...	@@ -380,10 +380,12 @@
380	380
381	381	* **Status & Ext Byte**
382	382
383		-(% border="1" style="background-color:#ffffcc; color:green; width:587px" %)
384		-|(% style="width:109px" %)**Bits**|(% style="width:105px" %)**7**|(% style="width:105px" %)**6**|(% style="width:82px" %)**5**|(% style="width:84px" %)**4**|(% style="width:97px" %)**[3:0]**
385		-|(% style="width:109px" %)**Status & Ext**|(% style="width:105px" %)Not Defined|(% style="width:105px" %)Poll Message Flag|(% style="width:82px" %)Sync time OK|(% style="width:84px" %)Unix Time Request|(% style="width:97px" %)(((
386		-Ext:0b(1001)
	285	+(% style="width:732px" %)
	286	+|(% 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]**
	287	+|(% 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" %)(((
	288	+Ext:
	289	+
	290	+0b(1001)
387	387	)))
388	388
389	389	* Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
...	...	@@ -390,21 +390,18 @@
390	390	* 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.
391	391	* 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)
392	392
393		-== 2.5 Show data on Datacake ==
394	394
	298	+== Show data on Datacake ==
	299	+
395	395	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:
396	396
397		-(((
	302	+
398	398	**Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
399		-)))
400	400
401		-(((
402	402	**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.
403		-)))
404	404
405		-(((
	307	+
406	406	Add Datacake:
407		-)))
408	408
409	409	[[image:image-20220523000825-7.png||height="262" width="583"]]
410	410
...	...	@@ -413,211 +413,19 @@
413	413
414	414	[[image:image-20220523000825-8.png||height="453" width="406"]]
415	415
	317	+
416	416	In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
417	417
418	418	[[image:image-20220523000825-9.png||height="366" width="392"]]
419	419
420		-[[image:image-20220523000825-10.png||height="432" width="762"]]
421	421
422		-== 2.6 Datalog Feature ==
423	423
424		-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.
	324	+[[image:image-20220523000825-10.png||height="432" width="762"]]
425	425
426		-=== 2.6.1 Unix TimeStamp ===
427	427
428		-LHT65N uses Unix TimeStamp format based on
429	429
430		-[[image:image-20220523001219-11.png||height="97" width="627"]]
	328	+== LED Indicator ==
431	431
432		-
433		-(((
434		-User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
435		-)))
436		-
437		-(((
438		-Below is the converter example
439		-)))
440		-
441		-[[image:image-20220523001219-12.png||height="298" width="720"]]
442		-
443		-So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
444		-
445		-=== 2.6.2 Set Device Time ===
446		-
447		-(((
448		-There are two ways to set device’s time:
449		-)))
450		-
451		-(((
452		-**~1. Through LoRaWAN MAC Command (Default settings)**
453		-)))
454		-
455		-(((
456		-User need to set SYNCMOD=1 to enable sync time via MAC command.
457		-)))
458		-
459		-(((
460		-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).
461		-)))
462		-
463		-(((
464		-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.
465		-)))
466		-
467		-(((
468		-
469		-)))
470		-
471		-(((
472		-**2. Manually Set Time**
473		-)))
474		-
475		-(((
476		-User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
477		-)))
478		-
479		-=== 2.6.3 Poll sensor value ===
480		-
481		-User can poll sensor value based on timestamps from the server. Below is the downlink command.
482		-
483		-
484		-(% border="1" style="width:454px" %)
485		-|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
486		-|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
487		-
488		-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.
489		-
490		-
491		-For example, downlink command 31 5FC5F350 5FC6 0160 05
492		-
493		-Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
494		-
495		-Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
496		-
497		-
498		-=== 2.6.4 Datalog Uplink payload ===
499		-
500		-The Datalog poll reply uplink will use below payload format.
501		-
502		-
503		-Retrieval data payload
504		-
505		-(% border="1" %)
506		-|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
507		-|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
508		-[[Built-In>>path:#SHT20_Temperature]]
509		-
510		-[[Temperature>>path:#SHT20_Temperature]]
511		-)))|(((
512		-[[Built-in>>path:#SHT20_Humidity]]
513		-
514		-[[Humidity>>path:#SHT20_Humidity]]
515		-)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
516		-[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
517		-
518		-
519		-)))
520		-
521		-Poll message flag & Ext
522		-
523		-
524		-(% border="1" %)
525		-|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
526		-|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
527		-Ext:
528		-
529		-0b(1001)
530		-)))
531		-
532		-Poll Message Flag: 1: This message is a poll message reply.
533		-
534		-* Poll Message Flag is set to 1.
535		-* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
536		-
537		-For example, in US915 band, the max payload for different DR is:
538		-
539		-a)      DR0: max is 11 bytes so one entry of data
540		-
541		-b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
542		-
543		-c)      DR2: total payload includes 11 entries of data
544		-
545		-d)      DR3: total payload includes 22 entries of data.
546		-
547		-If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0
548		-
549		-
550		-**Example:**
551		-
552		-If LHT65N has below data inside Flash:
553		-
554		-Flash Addr   |Unix Time | Ext | BAT voltage|  Value
555		-
556		-80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
557		-
558		-80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
559		-
560		-8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
561		-
562		-8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
563		-
564		-8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
565		-
566		-8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
567		-
568		-8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
569		-
570		-8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
571		-
572		-
573		-If user sends below downlink command:
574		-
575		-3160065F9760066DA705
576		-
577		- Where : Start time: 60065F97 = time 21/1/19 04:27:03
578		-
579		- Stop time 60066DA7= time 21/1/19 05:27:03
580		-
581		-
582		-LHT65N will uplink this payload.
583		-
584		-[[image:image-20220523001219-13.png||height="421" width="727"]]
585		-
586		-7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
587		-
588		-Where the first 11 bytes is for the first entry:
589		-
590		-7FFF089801464160065F97
591		-
592		-Ext sensor data=0x7FFF/100=327.67
593		-
594		-Temp=0x0898/100=22.00
595		-
596		-Hum=0x0146/10=32.6
597		-
598		-poll message flag & Ext=0x41,means reply data,Ext=1
599		-
600		-Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
601		-
602		-
603		-== 2.7 Alarm Mode ==
604		-
605		-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.
606		-
607		-
608		-Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
609		-
610		-
611		-AT Commands for Alarm mode:
612		-
613		-**AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
614		-
615		-**AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
616		-
617		-
618		-
619		-== 2.8 LED Indicator ==
620		-
621	621	The LHT65N has a triple color LED which for easy shows different stage.
622	622
623	623	While pressing ACT button, the LED will work as per LED status with ACT button.
...	...	@@ -631,14 +631,17 @@
631	631
632	632	----
633	633
634		-== 2.9 Installation ==
	343	+== Installation ==
635	635
636		-[[image:image-20220516231650-1.png||height="436" width="428"]]
	345	+[[image:image-20220516231650-1.png||height="632" width="620"]]
637	637
638		-= 3. Sensors & Accessories =
639	639
640		-== 3.1 E3 Temperature Probe ==
641	641
	349	+
	350	+= Sensors & Accessories =
	351	+
	352	+== E3 Temperature Probe ==
	353	+
642	642	[[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
643	643
644	644
...	...	@@ -650,350 +650,36 @@
650	650	* Operating Range: -40 ~~ 125 °C
651	651	* -55°C to 125°C
652	652	* Working voltage 2.35v ~~ 5v
	365	+
653	653
654		-= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
	367	+= Battery & How to replace =
655	655
656		-Use can configure LHT65N via AT Command or LoRaWAN Downlink.
	369	+== Battery Type ==
657	657
658		-* AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
659		-* LoRaWAN Downlink instruction for different platforms:
660		-
661		-[[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]]
662		-
663		-There are two kinds of commands to configure LHT65N, they are:
664		-
665		-* **General Commands**.
666		-
667		-These commands are to configure:
668		-
669		-* General system settings like: uplink interval.
670		-* LoRaWAN protocol & radio-related commands.
671		-
672		-They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
673		-
674		-[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
675		-
676		-* **Commands special design for LHT65N**
677		-
678		-These commands are only valid for LHT65N, as below:
679		-
680		-== 4.1 Set Transmit Interval Time ==
681		-
682		-Feature: Change LoRaWAN End Node Transmit Interval.
683		-
684		-**AT Command: AT+TDC**
685		-
686		-(% border="1" %)
687		-|**Command Example**|**Function**|**Response**
688		-|AT+TDC?|Show current transmit Interval|(((
689		-30000
690		-
691		-OK
692		-
693		-the interval is 30000ms = 30s
694		-)))
695		-|AT+TDC=60000|Set Transmit Interval|(((
696		-OK
697		-
698		-Set transmit interval to 60000ms = 60 seconds
699		-)))
700		-
701		-**Downlink Command: 0x01**
702		-
703		-Format: Command Code (0x01) followed by 3 bytes time value.
704		-
705		-If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
706		-
707		-* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
708		-* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
709		-
710		-== 4.2 Set External Sensor Mode ==
711		-
712		-Feature: Change External Sensor Mode.
713		-
714		-**AT Command: AT+EXT**
715		-
716		-(% border="1" %)
717		-|**Command Example**|**Function**|**Response**
718		-|AT+EXT?|Get current external sensor mode|(((
719		-1
720		-
721		-OK
722		-
723		-External Sensor mode =1
724		-)))
725		-|AT+EXT=1|(% colspan="2" %)Set external sensor mode to 1
726		-|AT+EXT=9|(% colspan="2" %)Set to external DS18B20 with timestamp
727		-
728		-**Downlink Command: 0xA2**
729		-
730		-Total bytes: 2 ~~ 5 bytes
731		-
732		-Example:
733		-
734		-* 0xA201: Set external sensor type to E1
735		-* 0xA209: Same as AT+EXT=9
736		-* 0xA20702003c,Same as AT+SETCNT=60
737		-
738		-== 4.3 Enable/Disable uplink Temperature probe ID ==
739		-
740		-Feature: If PID is enabled, device will send the temperature probe ID on:
741		-
742		-* First Packet after OTAA Join
743		-* Every 24 hours since the first packet.
744		-
745		-PID is default set to disable (0)
746		-
747		-
748		-**AT Command:**
749		-
750		-(% border="1" %)
751		-|**Command Example**|**Function**|**Response**
752		-|AT+PID=1|Enable PID uplink|OK
753		-
754		-**Downlink Command:**
755		-
756		-* 0xA800     à AT+PID=0
757		-* 0xA801     à AT+PID=1
758		-
759		-== 4.4 Set Password ==
760		-
761		-Feature: Set device password, max 9 digits
762		-
763		-**AT Command: AT+PWORD**
764		-
765		-(% border="1" %)
766		-|**Command Example**|**Function**|**Response**
767		-|AT+PWORD=?|Show password|(((
768		-123456
769		-
770		-
771		-OK
772		-)))
773		-|AT+PWORD=999999|Set password|OK
774		-
775		-**Downlink Command:**
776		-
777		-No downlink command for this feature.
778		-
779		-== 4.5 Quit AT Command ==
780		-
781		-Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
782		-
783		-**AT Command: AT+DISAT**
784		-
785		-(% border="1" %)
786		-|**Command Example**|**Function**|**Response**
787		-|AT+DISAT|Quit AT Commands mode|OK
788		-
789		-**Downlink Command:**
790		-
791		-No downlink command for this feature.
792		-
793		-
794		-== 4.6 Set to sleep mode ==
795		-
796		-Feature: Set device to sleep mode
797		-
798		-**AT Command: AT+SLEEP**
799		-
800		-(% border="1" %)
801		-| | |
802		-|**Command Example**|**Function**|**Response**
803		-|AT+SLEEP|Set to sleep mode|(((
804		-Clear all stored sensor data…
805		-
806		-OK
807		-)))
808		-
809		-**Downlink Command:**
810		-
811		-* There is no downlink command to set to Sleep mode.
812		-
813		-== 4.7 Set system time ==
814		-
815		-Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
816		-
817		-**AT Command:**
818		-
819		-(% border="1" %)
820		-|**Command Example**|**Function**
821		-|AT+TIMESTAMP=1611104352|(((
822		-OK
823		-
824		-Set System time to 2021-01-20 00:59:12
825		-)))
826		-
827		-**Downlink Command:**
828		-
829		-0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
830		-
831		-== 4.8 Set Time Sync Mode ==
832		-
833		-Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
834		-
835		-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.
836		-
837		-
838		-**AT Command:**
839		-
840		-|**Command Example**|**Function**
841		-|AT+SYNCMOD=1|Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
842		-
843		-**Downlink Command:**
844		-
845		-0x28 01 ~/~/ Same As AT+SYNCMOD=1
846		-
847		-0x28 00 ~/~/ Same As AT+SYNCMOD=0
848		-
849		-== 4.9 Set Time Sync Interval ==
850		-
851		-Feature: Define System time sync interval. SYNCTDC default value: 10 days.
852		-
853		-**AT Command:**
854		-
855		-(% border="1" %)
856		-|**Command Example**|**Function**
857		-|AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
858		-
859		-**Downlink Command:**
860		-
861		-0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
862		-
863		-== 4.10 Print data entries base on page. ==
864		-
865		-Feature: Print the sector data from start page to stop page (max is 416 pages).
866		-
867		-**AT Command: AT+PDTA**
868		-
869		-(% border="1" %)
870		-|**Command Example**|**Response**
871		-|(((
872		-AT+PDTA=1,3
873		-
874		-
875		-
876		-Print page 1 to 3
877		-)))|(((
878		-8019500 19/6/26 16:48 1 2992 sht_temp=28.21 sht_hum=71.5 ds_temp=27.31
879		-
880		-8019510 19/6/26 16:53 1 2994 sht_temp=27.64 sht_hum=69.3 ds_temp=26.93
881		-
882		-8019520 19/6/26 16:58 1 2996 sht_temp=28.39 sht_hum=72.0 ds_temp=27.06
883		-
884		-8019530 19/6/26 17:03 1 2996 sht_temp=27.97 sht_hum=70.4 ds_temp=27.12
885		-
886		-8019540 19/6/26 17:08 1 2996 sht_temp=27.80 sht_hum=72.9 ds_temp=27.06
887		-
888		-8019550 19/6/26 17:13 1 2998 sht_temp=27.30 sht_hum=72.4 ds_temp=26.68
889		-
890		-8019560 19/6/26 17:22 1 2992 sht_temp=26.27 sht_hum=62.3 ds_temp=26.56
891		-
892		-8019570
893		-
894		-8019580
895		-
896		-8019590
897		-
898		-80195A0
899		-
900		-80195B0
901		-
902		-80195C0
903		-
904		-80195D0
905		-
906		-80195E0
907		-
908		-80195F0
909		-
910		-
911		-OK
912		-)))
913		-
914		-**Downlink Command:**
915		-
916		-No downlink commands for feature
917		-
918		-== 4.11 Print last few data entries. ==
919		-
920		-Feature: Print the last few data entries
921		-
922		-**AT Command: AT+PLDTA**
923		-
924		-(% border="1" %)
925		-|**Command Example**|**Response**
926		-|(((
927		-AT+PLDTA=5
928		-
929		-
930		-
931		-Print last 5 entries
932		-)))|(((
933		-Stop Tx and RTP events when read sensor data
934		-
935		-1 19/6/26 13:59 1 3005 sht_temp=27.09 sht_hum=79.5 ds_temp=26.75
936		-
937		-2 19/6/26 14:04 1 3007 sht_temp=26.65 sht_hum=74.8 ds_temp=26.43
938		-
939		-3 19/6/26 14:09 1 3007 sht_temp=26.91 sht_hum=77.9 ds_temp=26.56
940		-
941		-4 19/6/26 14:15 1 3007 sht_temp=26.93 sht_hum=76.7 ds_temp=26.75
942		-
943		-5 19/6/26 14:20 1 3007 sht_temp=26.78 sht_hum=76.6 ds_temp=26.43
944		-
945		-Start Tx and RTP events
946		-
947		-OK
948		-)))
949		-
950		-**Downlink Command:**
951		-
952		-No downlink commands for feature
953		-
954		-== 4.12 Clear Flash Record ==
955		-
956		-Feature: Clear flash storage for data log feature.
957		-
958		-**AT Command: AT+CLRDTA**
959		-
960		-(% border="1" %)
961		-|**Command Example**|**Function**|**Response**
962		-|AT+CLRDTA|Clear date record|(((
963		-Clear all stored sensor data…
964		-
965		-OK
966		-)))
967		-
968		-**Downlink Command: 0xA3**
969		-
970		-* Example: 0xA301 ~/~/Same as AT+CLRDTA
971		-
972		-= 5. Battery & How to replace =
973		-
974		-== 5.1 Battery Type ==
975		-
976	976	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.
977	977
978	978	The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
979	979	[[image:image-20220515075034-1.png||height="208" width="644"]]
980	980
	376	+
981	981	The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
982	982
983	983
984		-== 5.2 Replace Battery ==
	380	+== Replace Battery ==
985	985
986	986	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.
987	987
988	988	[[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
989	989
990		-== 5.3 Battery Life Analyze ==
991	991
	387	+== Battery Life Analyze ==
	388	+
992	992	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:
993	993	https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
994	994
995		-= 6. Order Info =
996	996
	393	+= Order Info =
	394	+
997	997	Part Number: (% class="mark" %)**LHT65N-XX**
998	998
999	999	**XX**: The default frequency band
...	...	@@ -1011,7 +1011,7 @@
1011	1011
1012	1012	* **E3**: External Temperature Probe
1013	1013
1014		-= 7. Packing Info =
	412	+= Packing Info =
1015	1015
1016	1016	**Package Includes**:
1017	1017
...	...	@@ -1026,10 +1026,10 @@
1026	1026	* Package Size / pcs : 14.5 x 8 x 5 cm
1027	1027	* Weight / pcs : 170g
1028	1028
1029		-= 8. FCC Warning =
	427	+= FCC Warning =
1030	1030
1031	1031	This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1032	1032
1033		-(1) This device may not cause harmful interference；
	431	+(1) This device may not cause harmful interference, and
1034	1034
1035		-(2) this device must accept any interference received, including interference that may cause undesired operation.
	433	+(2) this device must accept any interference received, including interference that may cause undesired operation

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