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Summary

Details

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Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20220523115324-1.jpeg||height="500" width="500"]]
2 +[[image:image-20220523111447-1.jpeg||height="448" width="448"]]
3 3  
4 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 +{{toc/}}
6 +{{/box}}
4 4  
5 -**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
6 -
7 -
8 -
9 -**Table of Contents：**
10 -
11 11  {{toc/}}
12 12  
13 -
14 -
15 15  = 1.Introduction =
16 16  
17 17  == 1.1 What is LHT65N Temperature & Humidity 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 22  
23 -(((
15 +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**(%%)**.**
16 +
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 -)))
23 +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 43  == 1.2 Features ==
44 44  
... ... @@ -56,69 +56,36 @@
56 56  
57 57  == 1.3 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 -)))
45 +* Resolution: 0.01 °C
46 +* Accuracy Tolerance : Typ ±0.3 °C
47 +* Long Term Drift: < 0.02 °C/yr
48 +* 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 -)))
52 +* Resolution: 0.04 %RH
53 +* Accuracy Tolerance : Typ ±3 %RH
54 +* Long Term Drift: < 0.02 °C/yr
55 +* 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 -)))
59 +* Resolution: 0.0625 °C
60 +* ±0.5°C accuracy from -10°C to +85°C
61 +* ±2°C accuracy from -55°C to +125°C
62 +* Operating Range: -55 °C ~~ 125 °C
109 109  
110 110  = 2. Connect LHT65N to IoT Server =
111 111  
112 112  == 2.1 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  
72 +
122 122  == 2.2 How to Activate LHT65N? ==
123 123  
124 124  The LHT65N has two working modes:
... ... @@ -126,17 +126,15 @@
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.
84 +(% border="1" %)
85 +|**Behavior on ACT**|**Function**|**Action**
86 +|**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.
87 +|**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.
88 +|**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  
141 141  == 2.3 Example to join LoRaWAN network ==
142 142  
... ... @@ -163,8 +163,10 @@
163 163  
164 164  [[image:image-20220522232916-3.png]]
165 165  
115 +
166 166  [[image:image-20220522232932-4.png]]
167 167  
118 +
168 168  [[image:image-20220522232954-5.png]]
169 169  
170 170  Note: LHT65N use same payload as LHT65.
... ... @@ -181,61 +181,33 @@
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"]]
135 +[[image:image-20220522233300-8.png]]
185 185  
186 186  
187 187  == 2.4 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.
140 +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.
142 +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 -)))
145 +(% border="1" style="width:572px" %)
146 +|(% 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**
147 +|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
148 +[[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 -)))
150 +[[Temperature>>path:#SHT20_Temperature]]
151 +)))|(% style="width:103px" %)(((
152 +[[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 -)))
154 +[[Humidity>>path:#SHT20_Humidity]]
155 +)))|(% 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 ===
161 +=== 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"]]
169 +[[image:image-20220522234118-10.png]]
247 247  
248 -=== 2.4.2 BAT-Battery Info ===
249 249  
172 +=== BAT-Battery Info ===
173 +
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 -(((
176 +(% style="width:646px" %)
177 +|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
178 +|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 -)))
188 +)))|(% style="width:214px" %)Actually BAT voltage
285 285  
286 -[[image:image-20220522235639-1.png||height="139" width="727"]]
190 +[[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 ===
197 +=== Built-in Temperature ===
294 294  
295 -[[image:image-20220522235639-2.png||height="138" width="722"]]
199 +[[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 ===
207 +=== Built-in Humidity ===
304 304  
305 -[[image:image-20220522235639-4.png||height="138" width="722"]]
209 +[[image:image-20220522235639-4.png]]
306 306  
307 307  * Humidity:    0x025C/10=60.4%
308 308  
309 -=== 2.4.5 Ext # ===
213 +=== 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
217 +(% style="width:624px" %)
218 +|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
219 +|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
220 +|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
317 317  
318 -=== 2.4.6 Ext value ===
222 +=== Ext value ===
319 319  
320 -==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
224 +==== Ext~=1, E3 Temperature Sensor ====
321 321  
322 322  [[image:image-20220522235639-5.png]]
323 323  
228 +
324 324  * DS18B20 temp=0x0ADD/100=27.81℃
325 325  
326 326  The last 2 bytes of data are meaningless
327 327  
233 +
234 +
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 -(((
241 +
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 ====
245 +==== 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 &
250 +(% style="width:697px" %)
251 +|(% 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**
252 +|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
253 +[[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]]
255 +[[Temperature>>path:#SHT20_Temperature]]
256 +)))|(% style="width:106px" %)(((
257 +[[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]]
259 +[[Built-in>>path:#BAT_Humidity]]
260 +
261 +[[Humidity>>path:#BAT_Humidity]]
262 +)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
263 +[[Unix>>path:#Unix_Time_Stamp]]
264 +
265 +[[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(%%)**
268 +* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink 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" %)(((
270 +(% style="width:587px" %)
271 +|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
272 +|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]]
282 +)))|(% style="width:136px" %)(((
283 +[[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)
290 +(% style="width:732px" %)
291 +|(% 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]**
292 +|(% 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" %)(((
293 +Ext:
294 +
295 +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 +390,17 @@
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 ==
302 +== Show data on Datacake ==
394 394  
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 -(((
306 +
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 -(((
311 +
406 406  Add Datacake:
407 -)))
408 408  
409 409  [[image:image-20220523000825-7.png||height="262" width="583"]]
410 410  
... ... @@ -413,17 +413,21 @@
413 413  
414 414  [[image:image-20220523000825-8.png||height="453" width="406"]]
415 415  
321 +
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="413" width="728"]]
421 421  
422 -== 2.6 Datalog Feature ==
423 423  
328 +[[image:image-20220523000825-10.png||height="432" width="762"]]
329 +
330 +
331 +== Datalog Feature ==
332 +
424 424  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.
425 425  
426 -=== 2.6.1 Unix TimeStamp ===
335 +=== Unix TimeStamp ===
427 427  
428 428  LHT65N uses Unix TimeStamp format based on
429 429  
... ... @@ -430,176 +430,100 @@
430 430  [[image:image-20220523001219-11.png||height="97" width="627"]]
431 431  
432 432  
433 -(((
434 434  User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
435 -)))
436 436  
437 -(((
438 438  Below is the converter example
439 -)))
440 440  
441 -[[image:image-20220523001219-12.png||height="298" width="720"]]
346 +[[image:image-20220523001219-12.png||height="353" width="853"]]
442 442  
443 443  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
444 444  
445 -=== 2.6.2 Set Device Time ===
446 446  
447 -(((
351 +=== Set Device Time ===
352 +
448 448  There are two ways to set device’s time:
449 -)))
450 450  
451 -(((
452 452  **~1. Through LoRaWAN MAC Command (Default settings)**
453 -)))
454 454  
455 -(((
456 456  User need to set SYNCMOD=1 to enable sync time via MAC command.
457 -)))
458 458  
459 -(((
460 460  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 -)))
462 462  
463 -(((
464 464  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 -)))
466 466  
467 -(((
468 -
469 -)))
470 470  
471 -(((
472 472  **2. Manually Set Time**
473 -)))
474 474  
475 -(((
476 476  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 -)))
478 478  
479 -=== 2.6.3 Poll sensor value ===
480 480  
369 +=== Poll sensor value ===
370 +
481 481  User can poll sensor value based on timestamps from the server. Below is the downlink command.
482 482  
483 483  
484 -(% border="1" style="background-color:#ffffcc; color:green; width:427px" %)
485 -|(% style="width:61px" %)1byte|(% style="width:126px" %)4bytes|(% style="width:120px" %)4bytes|(% style="width:115px" %)1byte
486 -|(% style="width:61px" %)31|(% style="width:126px" %)Timestamp start|(% style="width:120px" %)Timestamp end|(% style="width:115px" %)Uplink Interval
374 +(% style="width:454px" %)
375 +|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
376 +|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
487 487  
488 -(((
489 489  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.
490 -)))
491 491  
492 -(((
493 -For example, downlink command **31 5FC5F350 5FC6 0160 05**
494 -)))
495 495  
496 -(((
381 +For example, downlink command 31 5FC5F350 5FC6 0160 05
382 +
497 497  Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
498 -)))
499 499  
500 -(((
501 501  Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
502 -)))
503 503  
504 504  
505 -=== 2.6.4 Datalog Uplink payload ===
388 +=== Datalog Uplink payload ===
506 506  
507 507  The Datalog poll reply uplink will use below payload format.
508 508  
509 -(((
510 -**Retrieval data payload**
511 -)))
512 512  
513 -(% border="1" style="background-color:#ffffcc; color:green; width:545px" %)
514 -|(% style="width:93px" %)(((
515 -**Size(bytes)**
516 -)))|(% style="width:71px" %)(((
517 -**2**
518 -)))|(% style="width:102px" %)(((
519 -**2**
520 -)))|(% style="width:86px" %)(((
521 -**2**
522 -)))|(% style="width:90px" %)(((
523 -**1**
524 -)))|(% style="width:85px" %)(((
525 -**4**
526 -)))
527 -|(% style="width:93px" %)(((
528 -**Value**
529 -)))|(% style="width:71px" %)(((
530 -[[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]]
531 -)))|(% style="width:102px" %)(((
532 -(((
533 -[[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]]
534 -)))
393 +Retrieval data payload
535 535  
536 -(((
537 -[[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]]
538 -)))
539 -)))|(% style="width:86px" %)(((
540 -(((
541 -[[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]]
542 -)))
395 +|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
396 +|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
397 +[[Built-In>>path:#SHT20_Temperature]]
543 543  
544 -(((
545 -[[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]]
546 -)))
547 -)))|(% style="width:90px" %)(((
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 -)))|(% style="width:85px" %)(((
550 -(((
551 -[[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]]
552 -)))
399 +[[Temperature>>path:#SHT20_Temperature]]
400 +)))|(((
401 +[[Built-in>>path:#SHT20_Humidity]]
553 553  
554 -(((
403 +[[Humidity>>path:#SHT20_Humidity]]
404 +)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
405 +[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
406 +
555 555  
556 556  )))
557 -)))
558 558  
559 -**Poll message flag & Ext**
410 +Poll message flag & Ext
560 560  
561 -(% border="1" style="background-color:#ffffcc; color:green; width:540px" %)
562 -|(% style="width:81px" %)**Bits**|(% style="width:100px" %)**7**|(% style="width:105px" %)**6**|(% style="width:84px" %)**5**|(% style="width:85px" %)**4**|(% style="width:79px" %)**[3:0]**
563 -|(% style="width:81px" %)**Status & Ext**|(% style="width:100px" %)Not Defined|(% style="width:105px" %)Poll Message Flag|(% style="width:84px" %)Sync time OK|(% style="width:85px" %)Unix Time Request|(% style="width:79px" %)(((
412 +
413 +|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
414 +|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
564 564  Ext:
565 565  
566 566  0b(1001)
567 567  )))
568 568  
569 -(((
570 570  Poll Message Flag: 1: This message is a poll message reply.
571 -)))
572 572  
573 -* (((
574 -Poll Message Flag is set to 1.
575 -)))
576 -* (((
577 -Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
578 -)))
422 +* Poll Message Flag is set to 1.
423 +* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
579 579  
580 -(((
581 581  For example, in US915 band, the max payload for different DR is:
582 -)))
583 583  
584 -(((
585 -a) DR0: max is 11 bytes so one entry of data
586 -)))
427 +a)      DR0: max is 11 bytes so one entry of data
587 587  
588 -(((
589 -b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
590 -)))
429 +b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
591 591  
592 -(((
593 -c) DR2: total payload includes 11 entries of data
594 -)))
431 +c)      DR2: total payload includes 11 entries of data
595 595  
596 -(((
597 -d) DR3: total payload includes 22 entries of data.
598 -)))
433 +d)      DR3: total payload includes 22 entries of data.
599 599  
600 -(((
601 601  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
602 -)))
603 603  
604 604  
605 605  **Example:**
... ... @@ -606,21 +606,29 @@
606 606  
607 607  If LHT65N has below data inside Flash:
608 608  
609 -[[image:image-20220523144455-1.png||height="335" width="735"]]
442 +Flash Addr   |Unix Time | Ext | BAT voltage|  Value                  
610 610  
611 -(% border="1" style="background-color:#ffffcc; color:green; width:709px" %)
612 -|(% style="width:89px" %)Flash Addr|(% style="width:136px" %)Unix Time|(% style="width:39px" %)Ext|(% style="width:97px" %)BAT voltage|(% style="width:344px" %)Value
613 -|(% style="width:89px" %)80196E0|(% style="width:136px" %)21/1/19 04:27:03|(% style="width:39px" %)1|(% style="width:97px" %)3145|(% style="width:344px" %)sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
614 -|(% style="width:89px" %)80196F0|(% style="width:136px" %)21/1/19 04:28:57|(% style="width:39px" %)1|(% style="width:97px" %)3145|(% style="width:344px" %)sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
615 -|(% style="width:89px" %)8019700|(% style="width:136px" %)21/1/19 04:30:30|(% style="width:39px" %)1|(% style="width:97px" %)3145|(% style="width:344px" %)sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
616 -|(% style="width:89px" %)8019710|(% style="width:136px" %)21/1/19 04:40:30|(% style="width:39px" %)1|(% style="width:97px" %)3145|(% style="width:344px" %)sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
617 -|(% style="width:89px" %)8019720|(% style="width:136px" %)21/1/19 04:50:30|(% style="width:39px" %)1|(% style="width:97px" %)3147|(% style="width:344px" %)sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
618 -|(% style="width:89px" %)8019730|(% style="width:136px" %)21/1/19 05:00:30|(% style="width:39px" %)1|(% style="width:97px" %)3149|(% style="width:344px" %)sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
619 -|(% style="width:89px" %)8019740|(% style="width:136px" %)21/1/19 05:10:30|(% style="width:39px" %)1|(% style="width:97px" %)3149|(% style="width:344px" %)sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
620 -|(% style="width:89px" %)8019750|(% style="width:136px" %)21/1/19 05:20:30|(% style="width:39px" %)1|(% style="width:97px" %)3151|(% style="width:344px" %)sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
444 +80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
621 621  
622 -If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
446 +80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
623 623  
448 +8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
449 +
450 +8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
451 +
452 +8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
453 +
454 +8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
455 +
456 +8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
457 +
458 +8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
459 +
460 +
461 +If user sends below downlink command:
462 +
463 +3160065F9760066DA705
464 +
624 624   Where : Start time: 60065F97 = time 21/1/19 04:27:03
625 625  
626 626   Stop time 60066DA7= time 21/1/19 05:27:03
... ... @@ -628,7 +628,7 @@
628 628  
629 629  LHT65N will uplink this payload.
630 630  
631 -[[image:image-20220523001219-13.png||height="421" width="727"]]
472 +[[image:image-20220523001219-13.png]]
632 632  
633 633  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
634 634  
... ... @@ -647,7 +647,7 @@
647 647  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
648 648  
649 649  
650 -== 2.7 Alarm Mode ==
491 +== Alarm Mode ==
651 651  
652 652  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.
653 653  
... ... @@ -663,7 +663,7 @@
663 663  
664 664  
665 665  
666 -== 2.8 LED Indicator ==
507 +== LED Indicator ==
667 667  
668 668  The LHT65N has a triple color LED which for easy shows different stage.
669 669  
... ... @@ -678,14 +678,17 @@
678 678  
679 679  ----
680 680  
681 -== 2.9 Installation ==
522 +== Installation ==
682 682  
683 683  [[image:image-20220516231650-1.png||height="436" width="428"]]
684 684  
685 -= 3. Sensors & Accessories =
686 686  
687 -== 3.1 E3 Temperature Probe ==
688 688  
528 +
529 += Sensors & Accessories =
530 +
531 +== E3 Temperature Probe ==
532 +
689 689  [[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
690 690  
691 691  
... ... @@ -698,7 +698,7 @@
698 698  * -55°C to 125°C
699 699  * Working voltage 2.35v ~~ 5v
700 700  
701 -= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
545 += Configure LHT65N via AT Command or LoRaWAN Downlink =
702 702  
703 703  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
704 704  
... ... @@ -707,6 +707,7 @@
707 707  
708 708  [[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]]
709 709  
554 +
710 710  There are two kinds of commands to configure LHT65N, they are:
711 711  
712 712  * **General Commands**.
... ... @@ -720,17 +720,19 @@
720 720  
721 721  [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
722 722  
568 +
569 +
723 723  * **Commands special design for LHT65N**
724 724  
725 725  These commands are only valid for LHT65N, as below:
726 726  
727 -== 4.1 Set Transmit Interval Time ==
728 728  
575 +== Set Transmit Interval Time ==
576 +
729 729  Feature: Change LoRaWAN End Node Transmit Interval.
730 730  
731 731  **AT Command: AT+TDC**
732 732  
733 -(% border="1" %)
734 734  |**Command Example**|**Function**|**Response**
735 735  |AT+TDC?|Show current transmit Interval|(((
736 736  30000
... ... @@ -754,13 +754,12 @@
754 754  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
755 755  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
756 756  
757 -== 4.2 Set External Sensor Mode ==
604 +== Set External Sensor Mode ==
758 758  
759 759  Feature: Change External Sensor Mode.
760 760  
761 761  **AT Command: AT+EXT**
762 762  
763 -(% border="1" %)
764 764  |**Command Example**|**Function**|**Response**
765 765  |AT+EXT?|Get current external sensor mode|(((
766 766  1
... ... @@ -782,7 +782,7 @@
782 782  * 0xA209: Same as AT+EXT=9
783 783  * 0xA20702003c,Same as AT+SETCNT=60
784 784  
785 -== 4.3 Enable/Disable uplink Temperature probe ID ==
631 +== Enable/Disable uplink Temperature probe ID ==
786 786  
787 787  Feature: If PID is enabled, device will send the temperature probe ID on:
788 788  
... ... @@ -794,7 +794,6 @@
794 794  
795 795  **AT Command:**
796 796  
797 -(% border="1" %)
798 798  |**Command Example**|**Function**|**Response**
799 799  |AT+PID=1|Enable PID uplink|OK
800 800  
... ... @@ -803,13 +803,12 @@
803 803  * 0xA800     à AT+PID=0
804 804  * 0xA801     à AT+PID=1
805 805  
806 -== 4.4 Set Password ==
651 +== Set Password ==
807 807  
808 808  Feature: Set device password, max 9 digits
809 809  
810 810  **AT Command: AT+PWORD**
811 811  
812 -(% border="1" %)
813 813  |**Command Example**|**Function**|**Response**
814 814  |AT+PWORD=?|Show password|(((
815 815  123456
... ... @@ -823,13 +823,13 @@
823 823  
824 824  No downlink command for this feature.
825 825  
826 -== 4.5 Quit AT Command ==
827 827  
671 +== Quit AT Command ==
672 +
828 828  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
829 829  
830 830  **AT Command: AT+DISAT**
831 831  
832 -(% border="1" %)
833 833  |**Command Example**|**Function**|**Response**
834 834  |AT+DISAT|Quit AT Commands mode|OK
835 835  
... ... @@ -838,13 +838,12 @@
838 838  No downlink command for this feature.
839 839  
840 840  
841 -== 4.6 Set to sleep mode ==
685 +== Set to sleep mode ==
842 842  
843 843  Feature: Set device to sleep mode
844 844  
845 845  **AT Command: AT+SLEEP**
846 846  
847 -(% border="1" %)
848 848  | | |
849 849  |**Command Example**|**Function**|**Response**
850 850  |AT+SLEEP|Set to sleep mode|(((
... ... @@ -857,13 +857,12 @@
857 857  
858 858  * There is no downlink command to set to Sleep mode.
859 859  
860 -== 4.7 Set system time ==
703 +== Set system time ==
861 861  
862 862  Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
863 863  
864 864  **AT Command:**
865 865  
866 -(% border="1" %)
867 867  |**Command Example**|**Function**
868 868  |AT+TIMESTAMP=1611104352|(((
869 869  OK
... ... @@ -875,10 +875,12 @@
875 875  
876 876  0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
877 877  
878 -== 4.8 Set Time Sync Mode ==
879 879  
721 +== Set Time Sync Mode ==
722 +
880 880  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
881 881  
725 +
882 882  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.
883 883  
884 884  
... ... @@ -893,13 +893,13 @@
893 893  
894 894  0x28 00 ~/~/ Same As AT+SYNCMOD=0
895 895  
896 -== 4.9 Set Time Sync Interval ==
897 897  
741 +== Set Time Sync Interval ==
742 +
898 898  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
899 899  
900 900  **AT Command:**
901 901  
902 -(% border="1" %)
903 903  |**Command Example**|**Function**
904 904  |AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
905 905  
... ... @@ -907,13 +907,13 @@
907 907  
908 908  0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
909 909  
910 -== 4.10 Print data entries base on page. ==
911 911  
755 +== Print data entries base on page. ==
756 +
912 912  Feature: Print the sector data from start page to stop page (max is 416 pages).
913 913  
914 914  **AT Command: AT+PDTA**
915 915  
916 -(% border="1" %)
917 917  |**Command Example**|**Response**
918 918  |(((
919 919  AT+PDTA=1,3
... ... @@ -962,13 +962,14 @@
962 962  
963 963  No downlink commands for feature
964 964  
965 -== 4.11 Print last few data entries. ==
966 966  
810 +
811 +== Print last few data entries. ==
812 +
967 967  Feature: Print the last few data entries
968 968  
969 969  **AT Command: AT+PLDTA**
970 970  
971 -(% border="1" %)
972 972  |**Command Example**|**Response**
973 973  |(((
974 974  AT+PLDTA=5
... ... @@ -998,13 +998,14 @@
998 998  
999 999  No downlink commands for feature
1000 1000  
1001 -== 4.12 Clear Flash Record ==
1002 1002  
847 +
848 +== Clear Flash Record ==
849 +
1003 1003  Feature: Clear flash storage for data log feature.
1004 1004  
1005 1005  **AT Command: AT+CLRDTA**
1006 1006  
1007 -(% border="1" %)
1008 1008  |**Command Example**|**Function**|**Response**
1009 1009  |AT+CLRDTA|Clear date record|(((
1010 1010  Clear all stored sensor data…
... ... @@ -1016,31 +1016,35 @@
1016 1016  
1017 1017  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1018 1018  
1019 -= 5. Battery & How to replace =
1020 1020  
1021 -== 5.1 Battery Type ==
866 += Battery & How to replace =
1022 1022  
868 +== Battery Type ==
869 +
1023 1023  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.
1024 1024  
1025 1025  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1026 1026  [[image:image-20220515075034-1.png||height="208" width="644"]]
1027 1027  
875 +
1028 1028  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1029 1029  
1030 1030  
1031 -== 5.2 Replace Battery ==
879 +== Replace Battery ==
1032 1032  
1033 1033  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.
1034 1034  
1035 1035  [[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
1036 1036  
1037 -== 5.3 Battery Life Analyze ==
1038 1038  
886 +== Battery Life Analyze ==
887 +
1039 1039  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:
1040 1040  https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
1041 1041  
1042 -= 6. Order Info =
1043 1043  
892 += Order Info =
893 +
1044 1044  Part Number: (% class="mark" %)**LHT65N-XX**
1045 1045  
1046 1046  **XX**: The default frequency band
... ... @@ -1058,7 +1058,7 @@
1058 1058  
1059 1059  * **E3**: External Temperature Probe
1060 1060  
1061 -= 7. Packing Info =
911 += Packing Info =
1062 1062  
1063 1063  **Package Includes**:
1064 1064  
... ... @@ -1073,10 +1073,10 @@
1073 1073  * Package Size / pcs : 14.5 x 8 x 5 cm
1074 1074  * Weight / pcs : 170g
1075 1075  
1076 -= 8. FCC Warning =
926 += FCC Warning =
1077 1077  
1078 1078  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1079 1079  
1080 -(1) This device may not cause harmful interference；
930 +(1) This device may not cause harmful interference, and
1081 1081  
1082 -(2) this device must accept any interference received, including interference that may cause undesired operation.
932 +(2) this device must accept any interference received, including interference that may cause undesired operation
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