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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  
... ... @@ -430,180 +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" %)(((
564 -(((
412 +
413 +|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
414 +|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
565 565  Ext:
566 -)))
567 567  
568 -(((
569 569  0b(1001)
570 570  )))
571 -)))
572 572  
573 -(((
574 574  Poll Message Flag: 1: This message is a poll message reply.
575 -)))
576 576  
577 -* (((
578 -Poll Message Flag is set to 1.
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 -)))
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.
583 583  
584 -(((
585 585  For example, in US915 band, the max payload for different DR is:
586 -)))
587 587  
588 -(((
589 -a) DR0: max is 11 bytes so one entry of data
590 -)))
427 +a)      DR0: max is 11 bytes so one entry of data
591 591  
592 -(((
593 -b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
594 -)))
429 +b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
595 595  
596 -(((
597 -c) DR2: total payload includes 11 entries of data
598 -)))
431 +c)      DR2: total payload includes 11 entries of data
599 599  
600 -(((
601 -d) DR3: total payload includes 22 entries of data.
602 -)))
433 +d)      DR3: total payload includes 22 entries of data.
603 603  
604 -(((
605 605  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
606 -)))
607 607  
608 608  
609 609  **Example:**
... ... @@ -610,21 +610,29 @@
610 610  
611 611  If LHT65N has below data inside Flash:
612 612  
613 -[[image:image-20220523144455-1.png||height="335" width="735"]]
442 +Flash Addr   |Unix Time | Ext | BAT voltage|  Value                  
614 614  
615 -(% border="1" style="background-color:#ffffcc; color:green; width:709px" %)
616 -|(% style="width:89px" %)Flash Addr|(% style="width:136px" %)Unix Time|(% style="width:39px" %)Ext|(% style="width:97px" %)BAT voltage|(% style="width:344px" %)Value
617 -|(% 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
618 -|(% 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
619 -|(% 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
620 -|(% 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
621 -|(% 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
622 -|(% 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
623 -|(% 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
624 -|(% 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
625 625  
626 -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
627 627  
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 +
628 628   Where : Start time: 60065F97 = time 21/1/19 04:27:03
629 629  
630 630   Stop time 60066DA7= time 21/1/19 05:27:03
... ... @@ -632,7 +632,7 @@
632 632  
633 633  LHT65N will uplink this payload.
634 634  
635 -[[image:image-20220523001219-13.png||height="421" width="727"]]
472 +[[image:image-20220523001219-13.png]]
636 636  
637 637  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
638 638  
... ... @@ -651,7 +651,7 @@
651 651  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
652 652  
653 653  
654 -== 2.7 Alarm Mode ==
491 +== Alarm Mode ==
655 655  
656 656  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.
657 657  
... ... @@ -667,7 +667,7 @@
667 667  
668 668  
669 669  
670 -== 2.8 LED Indicator ==
507 +== LED Indicator ==
671 671  
672 672  The LHT65N has a triple color LED which for easy shows different stage.
673 673  
... ... @@ -682,14 +682,17 @@
682 682  
683 683  ----
684 684  
685 -== 2.9 Installation ==
522 +== Installation ==
686 686  
687 687  [[image:image-20220516231650-1.png||height="436" width="428"]]
688 688  
689 -= 3. Sensors & Accessories =
690 690  
691 -== 3.1 E3 Temperature Probe ==
692 692  
528 +
529 += Sensors & Accessories =
530 +
531 +== E3 Temperature Probe ==
532 +
693 693  [[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
694 694  
695 695  
... ... @@ -702,7 +702,7 @@
702 702  * -55°C to 125°C
703 703  * Working voltage 2.35v ~~ 5v
704 704  
705 -= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
545 += Configure LHT65N via AT Command or LoRaWAN Downlink =
706 706  
707 707  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
708 708  
... ... @@ -711,6 +711,7 @@
711 711  
712 712  [[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]]
713 713  
554 +
714 714  There are two kinds of commands to configure LHT65N, they are:
715 715  
716 716  * **General Commands**.
... ... @@ -724,17 +724,19 @@
724 724  
725 725  [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
726 726  
568 +
569 +
727 727  * **Commands special design for LHT65N**
728 728  
729 729  These commands are only valid for LHT65N, as below:
730 730  
731 -== 4.1 Set Transmit Interval Time ==
732 732  
575 +== Set Transmit Interval Time ==
576 +
733 733  Feature: Change LoRaWAN End Node Transmit Interval.
734 734  
735 735  **AT Command: AT+TDC**
736 736  
737 -(% border="1" %)
738 738  |**Command Example**|**Function**|**Response**
739 739  |AT+TDC?|Show current transmit Interval|(((
740 740  30000
... ... @@ -758,13 +758,12 @@
758 758  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
759 759  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
760 760  
761 -== 4.2 Set External Sensor Mode ==
604 +== Set External Sensor Mode ==
762 762  
763 763  Feature: Change External Sensor Mode.
764 764  
765 765  **AT Command: AT+EXT**
766 766  
767 -(% border="1" %)
768 768  |**Command Example**|**Function**|**Response**
769 769  |AT+EXT?|Get current external sensor mode|(((
770 770  1
... ... @@ -786,7 +786,7 @@
786 786  * 0xA209: Same as AT+EXT=9
787 787  * 0xA20702003c,Same as AT+SETCNT=60
788 788  
789 -== 4.3 Enable/Disable uplink Temperature probe ID ==
631 +== Enable/Disable uplink Temperature probe ID ==
790 790  
791 791  Feature: If PID is enabled, device will send the temperature probe ID on:
792 792  
... ... @@ -798,7 +798,6 @@
798 798  
799 799  **AT Command:**
800 800  
801 -(% border="1" %)
802 802  |**Command Example**|**Function**|**Response**
803 803  |AT+PID=1|Enable PID uplink|OK
804 804  
... ... @@ -807,13 +807,12 @@
807 807  * 0xA800     à AT+PID=0
808 808  * 0xA801     à AT+PID=1
809 809  
810 -== 4.4 Set Password ==
651 +== Set Password ==
811 811  
812 812  Feature: Set device password, max 9 digits
813 813  
814 814  **AT Command: AT+PWORD**
815 815  
816 -(% border="1" %)
817 817  |**Command Example**|**Function**|**Response**
818 818  |AT+PWORD=?|Show password|(((
819 819  123456
... ... @@ -827,13 +827,13 @@
827 827  
828 828  No downlink command for this feature.
829 829  
830 -== 4.5 Quit AT Command ==
831 831  
671 +== Quit AT Command ==
672 +
832 832  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
833 833  
834 834  **AT Command: AT+DISAT**
835 835  
836 -(% border="1" %)
837 837  |**Command Example**|**Function**|**Response**
838 838  |AT+DISAT|Quit AT Commands mode|OK
839 839  
... ... @@ -842,13 +842,12 @@
842 842  No downlink command for this feature.
843 843  
844 844  
845 -== 4.6 Set to sleep mode ==
685 +== Set to sleep mode ==
846 846  
847 847  Feature: Set device to sleep mode
848 848  
849 849  **AT Command: AT+SLEEP**
850 850  
851 -(% border="1" %)
852 852  | | |
853 853  |**Command Example**|**Function**|**Response**
854 854  |AT+SLEEP|Set to sleep mode|(((
... ... @@ -861,13 +861,12 @@
861 861  
862 862  * There is no downlink command to set to Sleep mode.
863 863  
864 -== 4.7 Set system time ==
703 +== Set system time ==
865 865  
866 866  Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
867 867  
868 868  **AT Command:**
869 869  
870 -(% border="1" %)
871 871  |**Command Example**|**Function**
872 872  |AT+TIMESTAMP=1611104352|(((
873 873  OK
... ... @@ -879,10 +879,12 @@
879 879  
880 880  0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
881 881  
882 -== 4.8 Set Time Sync Mode ==
883 883  
721 +== Set Time Sync Mode ==
722 +
884 884  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
885 885  
725 +
886 886  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.
887 887  
888 888  
... ... @@ -897,13 +897,13 @@
897 897  
898 898  0x28 00 ~/~/ Same As AT+SYNCMOD=0
899 899  
900 -== 4.9 Set Time Sync Interval ==
901 901  
741 +== Set Time Sync Interval ==
742 +
902 902  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
903 903  
904 904  **AT Command:**
905 905  
906 -(% border="1" %)
907 907  |**Command Example**|**Function**
908 908  |AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
909 909  
... ... @@ -911,13 +911,13 @@
911 911  
912 912  0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
913 913  
914 -== 4.10 Print data entries base on page. ==
915 915  
755 +== Print data entries base on page. ==
756 +
916 916  Feature: Print the sector data from start page to stop page (max is 416 pages).
917 917  
918 918  **AT Command: AT+PDTA**
919 919  
920 -(% border="1" %)
921 921  |**Command Example**|**Response**
922 922  |(((
923 923  AT+PDTA=1,3
... ... @@ -966,13 +966,14 @@
966 966  
967 967  No downlink commands for feature
968 968  
969 -== 4.11 Print last few data entries. ==
970 970  
810 +
811 +== Print last few data entries. ==
812 +
971 971  Feature: Print the last few data entries
972 972  
973 973  **AT Command: AT+PLDTA**
974 974  
975 -(% border="1" %)
976 976  |**Command Example**|**Response**
977 977  |(((
978 978  AT+PLDTA=5
... ... @@ -1002,13 +1002,14 @@
1002 1002  
1003 1003  No downlink commands for feature
1004 1004  
1005 -== 4.12 Clear Flash Record ==
1006 1006  
847 +
848 +== Clear Flash Record ==
849 +
1007 1007  Feature: Clear flash storage for data log feature.
1008 1008  
1009 1009  **AT Command: AT+CLRDTA**
1010 1010  
1011 -(% border="1" %)
1012 1012  |**Command Example**|**Function**|**Response**
1013 1013  |AT+CLRDTA|Clear date record|(((
1014 1014  Clear all stored sensor data…
... ... @@ -1020,31 +1020,35 @@
1020 1020  
1021 1021  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1022 1022  
1023 -= 5. Battery & How to replace =
1024 1024  
1025 -== 5.1 Battery Type ==
866 += Battery & How to replace =
1026 1026  
868 +== Battery Type ==
869 +
1027 1027  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.
1028 1028  
1029 1029  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1030 1030  [[image:image-20220515075034-1.png||height="208" width="644"]]
1031 1031  
875 +
1032 1032  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1033 1033  
1034 1034  
1035 -== 5.2 Replace Battery ==
879 +== Replace Battery ==
1036 1036  
1037 1037  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.
1038 1038  
1039 1039  [[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
1040 1040  
1041 -== 5.3 Battery Life Analyze ==
1042 1042  
886 +== Battery Life Analyze ==
887 +
1043 1043  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:
1044 1044  https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
1045 1045  
1046 -= 6. Order Info =
1047 1047  
892 += Order Info =
893 +
1048 1048  Part Number: (% class="mark" %)**LHT65N-XX**
1049 1049  
1050 1050  **XX**: The default frequency band
... ... @@ -1062,7 +1062,7 @@
1062 1062  
1063 1063  * **E3**: External Temperature Probe
1064 1064  
1065 -= 7. Packing Info =
911 += Packing Info =
1066 1066  
1067 1067  **Package Includes**:
1068 1068  
... ... @@ -1077,10 +1077,10 @@
1077 1077  * Package Size / pcs : 14.5 x 8 x 5 cm
1078 1078  * Weight / pcs : 170g
1079 1079  
1080 -= 8. FCC Warning =
926 += FCC Warning =
1081 1081  
1082 1082  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1083 1083  
1084 -(1) This device may not cause harmful interference；
930 +(1) This device may not cause harmful interference, and
1085 1085  
1086 -(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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