Last modified by Mengting Qiu on 2024/04/30 14:27
<
From version < 57.14 >
edited by Xiaoling
on 2022/05/23 14:32
To version < 51.1 >
edited by Edwin Chen
on 2022/05/23 00:18
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Summary

Details

Page properties
Author
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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 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 +390,17 @@
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 ==
297 +== 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 -(((
301 +
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 -(((
306 +
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  
316 +
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  
323 +[[image:image-20220523000825-10.png||height="432" width="762"]]
324 +
325 +
326 +== Datalog Feature ==
327 +
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 ===
330 +=== Unix TimeStamp ===
427 427  
428 428  LHT65N uses Unix TimeStamp format based on
429 429  
... ... @@ -430,109 +430,87 @@
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"]]
341 +[[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 -(((
346 +=== Set Device Time ===
347 +
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  
364 +=== Poll sensor value ===
365 +
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
369 +(% style="width:454px" %)
370 +|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
371 +|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
487 487  
488 -(((
373 +
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 -(((
377 +For example, downlink command 31 5FC5F350 5FC6 0160 05
378 +
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 ===
384 +=== Datalog Uplink payload ===
506 506  
507 507  The Datalog poll reply uplink will use below payload format.
508 508  
509 -(((
388 +
510 510  Retrieval data payload
511 -)))
512 512  
513 -(% border="1" style="background-color:#ffffcc; color:green; width:615px" %)
514 -|(% style="width:94px" %)**Size(bytes)**|(% style="width:106px" %)**2**|(% style="width:132px" %)**2**|(% style="width:62px" %)**2**|(% style="width:98px" %)**1**|(% style="width:83px" %)**4**
515 -|(% style="width:94px" %)**Value**|(% style="width:106px" %)[[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]]|(% style="width:132px" %)(((
516 -[[Built-In Temperature >>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
517 -)))|(% style="width:62px" %)(((
518 -[[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]][[ 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]]
519 -)))|(% style="width:98px" %)[[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]]|(% style="width:83px" %)(((
520 -[[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]]
391 +|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
392 +|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
393 +[[Built-In>>path:#SHT20_Temperature]]
521 521  
395 +[[Temperature>>path:#SHT20_Temperature]]
396 +)))|(((
397 +[[Built-in>>path:#SHT20_Humidity]]
398 +
399 +[[Humidity>>path:#SHT20_Humidity]]
400 +)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
401 +[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
402 +
522 522  
523 523  )))
524 524  
406 +
525 525  Poll message flag & Ext
526 526  
527 527  
528 -(% border="1" style="background-color:#ffffcc; color:green; width:542px" %)
529 -|(% style="width:81px" %)**Bits**|(% style="width:100px" %)**7**|(% style="width:114px" %)**6**|(% style="width:85px" %)**5**|(% style="width:85px" %)**4**|(% style="width:77px" %)**[3:0]**
530 -|(% style="width:81px" %)**Status & Ext**|(% style="width:100px" %)Not Defined|(% style="width:114px" %)Poll Message Flag|(% style="width:85px" %)Sync time OK|(% style="width:85px" %)Unix Time Request|(% style="width:77px" %)(((
410 +|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
411 +|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
531 531  Ext:
532 532  
533 533  0b(1001)
534 534  )))
535 535  
417 +
536 536  Poll Message Flag: 1: This message is a poll message reply.
537 537  
538 538  * Poll Message Flag is set to 1.
... ... @@ -585,7 +585,7 @@
585 585  
586 586  LHT65N will uplink this payload.
587 587  
588 -[[image:image-20220523001219-13.png||height="421" width="727"]]
470 +[[image:image-20220523001219-13.png]]
589 589  
590 590  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
591 591  
... ... @@ -604,7 +604,7 @@
604 604  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
605 605  
606 606  
607 -== 2.7 Alarm Mode ==
489 +== Alarm Mode ==
608 608  
609 609  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.
610 610  
... ... @@ -620,7 +620,7 @@
620 620  
621 621  
622 622  
623 -== 2.8 LED Indicator ==
505 +== LED Indicator ==
624 624  
625 625  The LHT65N has a triple color LED which for easy shows different stage.
626 626  
... ... @@ -635,14 +635,17 @@
635 635  
636 636  ----
637 637  
638 -== 2.9 Installation ==
520 +== Installation ==
639 639  
640 -[[image:image-20220516231650-1.png||height="436" width="428"]]
522 +[[image:image-20220516231650-1.png||height="632" width="620"]]
641 641  
642 -= 3. Sensors & Accessories =
643 643  
644 -== 3.1 E3 Temperature Probe ==
645 645  
526 +
527 += Sensors & Accessories =
528 +
529 +== E3 Temperature Probe ==
530 +
646 646  [[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
647 647  
648 648  
... ... @@ -654,350 +654,36 @@
654 654  * Operating Range: -40 ~~ 125 °C
655 655  * -55°C to 125°C
656 656  * Working voltage 2.35v ~~ 5v
542 +
657 657  
658 -= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
544 += Battery & How to replace =
659 659  
660 -Use can configure LHT65N via AT Command or LoRaWAN Downlink.
546 +== Battery Type ==
661 661  
662 -* AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
663 -* LoRaWAN Downlink instruction for different platforms:
664 -
665 -[[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]]
666 -
667 -There are two kinds of commands to configure LHT65N, they are:
668 -
669 -* **General Commands**.
670 -
671 -These commands are to configure:
672 -
673 -* General system settings like: uplink interval.
674 -* LoRaWAN protocol & radio-related commands.
675 -
676 -They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
677 -
678 -[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
679 -
680 -* **Commands special design for LHT65N**
681 -
682 -These commands are only valid for LHT65N, as below:
683 -
684 -== 4.1 Set Transmit Interval Time ==
685 -
686 -Feature: Change LoRaWAN End Node Transmit Interval.
687 -
688 -**AT Command: AT+TDC**
689 -
690 -(% border="1" %)
691 -|**Command Example**|**Function**|**Response**
692 -|AT+TDC?|Show current transmit Interval|(((
693 -30000
694 -
695 -OK
696 -
697 -the interval is 30000ms = 30s
698 -)))
699 -|AT+TDC=60000|Set Transmit Interval|(((
700 -OK
701 -
702 -Set transmit interval to 60000ms = 60 seconds
703 -)))
704 -
705 -**Downlink Command: 0x01**
706 -
707 -Format: Command Code (0x01) followed by 3 bytes time value.
708 -
709 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
710 -
711 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
712 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
713 -
714 -== 4.2 Set External Sensor Mode ==
715 -
716 -Feature: Change External Sensor Mode.
717 -
718 -**AT Command: AT+EXT**
719 -
720 -(% border="1" %)
721 -|**Command Example**|**Function**|**Response**
722 -|AT+EXT?|Get current external sensor mode|(((
723 -1
724 -
725 -OK
726 -
727 -External Sensor mode =1
728 -)))
729 -|AT+EXT=1|(% colspan="2" %)Set external sensor mode to 1
730 -|AT+EXT=9|(% colspan="2" %)Set to external DS18B20 with timestamp
731 -
732 -**Downlink Command: 0xA2**
733 -
734 -Total bytes: 2 ~~ 5 bytes
735 -
736 -Example:
737 -
738 -* 0xA201: Set external sensor type to E1
739 -* 0xA209: Same as AT+EXT=9
740 -* 0xA20702003c,Same as AT+SETCNT=60
741 -
742 -== 4.3 Enable/Disable uplink Temperature probe ID ==
743 -
744 -Feature: If PID is enabled, device will send the temperature probe ID on:
745 -
746 -* First Packet after OTAA Join
747 -* Every 24 hours since the first packet.
748 -
749 -PID is default set to disable (0)
750 -
751 -
752 -**AT Command:**
753 -
754 -(% border="1" %)
755 -|**Command Example**|**Function**|**Response**
756 -|AT+PID=1|Enable PID uplink|OK
757 -
758 -**Downlink Command:**
759 -
760 -* 0xA800     à AT+PID=0
761 -* 0xA801     à AT+PID=1
762 -
763 -== 4.4 Set Password ==
764 -
765 -Feature: Set device password, max 9 digits
766 -
767 -**AT Command: AT+PWORD**
768 -
769 -(% border="1" %)
770 -|**Command Example**|**Function**|**Response**
771 -|AT+PWORD=?|Show password|(((
772 -123456
773 -
774 -
775 -OK
776 -)))
777 -|AT+PWORD=999999|Set password|OK
778 -
779 -**Downlink Command:**
780 -
781 -No downlink command for this feature.
782 -
783 -== 4.5 Quit AT Command ==
784 -
785 -Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
786 -
787 -**AT Command: AT+DISAT**
788 -
789 -(% border="1" %)
790 -|**Command Example**|**Function**|**Response**
791 -|AT+DISAT|Quit AT Commands mode|OK
792 -
793 -**Downlink Command:**
794 -
795 -No downlink command for this feature.
796 -
797 -
798 -== 4.6 Set to sleep mode ==
799 -
800 -Feature: Set device to sleep mode
801 -
802 -**AT Command: AT+SLEEP**
803 -
804 -(% border="1" %)
805 -| | |
806 -|**Command Example**|**Function**|**Response**
807 -|AT+SLEEP|Set to sleep mode|(((
808 -Clear all stored sensor data…
809 -
810 -OK
811 -)))
812 -
813 -**Downlink Command:**
814 -
815 -* There is no downlink command to set to Sleep mode.
816 -
817 -== 4.7 Set system time ==
818 -
819 -Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
820 -
821 -**AT Command:**
822 -
823 -(% border="1" %)
824 -|**Command Example**|**Function**
825 -|AT+TIMESTAMP=1611104352|(((
826 -OK
827 -
828 -Set System time to 2021-01-20 00:59:12
829 -)))
830 -
831 -**Downlink Command:**
832 -
833 -0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
834 -
835 -== 4.8 Set Time Sync Mode ==
836 -
837 -Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
838 -
839 -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.
840 -
841 -
842 -**AT Command:**
843 -
844 -|**Command Example**|**Function**
845 -|AT+SYNCMOD=1|Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
846 -
847 -**Downlink Command:**
848 -
849 -0x28 01 ~/~/ Same As AT+SYNCMOD=1
850 -
851 -0x28 00 ~/~/ Same As AT+SYNCMOD=0
852 -
853 -== 4.9 Set Time Sync Interval ==
854 -
855 -Feature: Define System time sync interval. SYNCTDC default value: 10 days.
856 -
857 -**AT Command:**
858 -
859 -(% border="1" %)
860 -|**Command Example**|**Function**
861 -|AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
862 -
863 -**Downlink Command:**
864 -
865 -0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
866 -
867 -== 4.10 Print data entries base on page. ==
868 -
869 -Feature: Print the sector data from start page to stop page (max is 416 pages).
870 -
871 -**AT Command: AT+PDTA**
872 -
873 -(% border="1" %)
874 -|**Command Example**|**Response**
875 -|(((
876 -AT+PDTA=1,3
877 -
878 -
879 -
880 -Print page 1 to 3
881 -)))|(((
882 -8019500 19/6/26 16:48 1 2992 sht_temp=28.21 sht_hum=71.5 ds_temp=27.31
883 -
884 -8019510 19/6/26 16:53 1 2994 sht_temp=27.64 sht_hum=69.3 ds_temp=26.93
885 -
886 -8019520 19/6/26 16:58 1 2996 sht_temp=28.39 sht_hum=72.0 ds_temp=27.06
887 -
888 -8019530 19/6/26 17:03 1 2996 sht_temp=27.97 sht_hum=70.4 ds_temp=27.12
889 -
890 -8019540 19/6/26 17:08 1 2996 sht_temp=27.80 sht_hum=72.9 ds_temp=27.06
891 -
892 -8019550 19/6/26 17:13 1 2998 sht_temp=27.30 sht_hum=72.4 ds_temp=26.68
893 -
894 -8019560 19/6/26 17:22 1 2992 sht_temp=26.27 sht_hum=62.3 ds_temp=26.56
895 -
896 -8019570
897 -
898 -8019580
899 -
900 -8019590
901 -
902 -80195A0
903 -
904 -80195B0
905 -
906 -80195C0
907 -
908 -80195D0
909 -
910 -80195E0
911 -
912 -80195F0
913 -
914 -
915 -OK
916 -)))
917 -
918 -**Downlink Command:**
919 -
920 -No downlink commands for feature
921 -
922 -== 4.11 Print last few data entries. ==
923 -
924 -Feature: Print the last few data entries
925 -
926 -**AT Command: AT+PLDTA**
927 -
928 -(% border="1" %)
929 -|**Command Example**|**Response**
930 -|(((
931 -AT+PLDTA=5
932 -
933 -
934 -
935 -Print last 5 entries
936 -)))|(((
937 -Stop Tx and RTP events when read sensor data
938 -
939 -1 19/6/26 13:59 1 3005 sht_temp=27.09 sht_hum=79.5 ds_temp=26.75
940 -
941 -2 19/6/26 14:04 1 3007 sht_temp=26.65 sht_hum=74.8 ds_temp=26.43
942 -
943 -3 19/6/26 14:09 1 3007 sht_temp=26.91 sht_hum=77.9 ds_temp=26.56
944 -
945 -4 19/6/26 14:15 1 3007 sht_temp=26.93 sht_hum=76.7 ds_temp=26.75
946 -
947 -5 19/6/26 14:20 1 3007 sht_temp=26.78 sht_hum=76.6 ds_temp=26.43
948 -
949 -Start Tx and RTP events
950 -
951 -OK
952 -)))
953 -
954 -**Downlink Command:**
955 -
956 -No downlink commands for feature
957 -
958 -== 4.12 Clear Flash Record ==
959 -
960 -Feature: Clear flash storage for data log feature.
961 -
962 -**AT Command: AT+CLRDTA**
963 -
964 -(% border="1" %)
965 -|**Command Example**|**Function**|**Response**
966 -|AT+CLRDTA|Clear date record|(((
967 -Clear all stored sensor data…
968 -
969 -OK
970 -)))
971 -
972 -**Downlink Command: 0xA3**
973 -
974 -* Example: 0xA301 ~/~/Same as AT+CLRDTA
975 -
976 -= 5. Battery & How to replace =
977 -
978 -== 5.1 Battery Type ==
979 -
980 980  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.
981 981  
982 982  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
983 983  [[image:image-20220515075034-1.png||height="208" width="644"]]
984 984  
553 +
985 985  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
986 986  
987 987  
988 -== 5.2 Replace Battery ==
557 +== Replace Battery ==
989 989  
990 990  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.
991 991  
992 992  [[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
993 993  
994 -== 5.3 Battery Life Analyze ==
995 995  
564 +== Battery Life Analyze ==
565 +
996 996  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:
997 997  https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
998 998  
999 -= 6. Order Info =
1000 1000  
570 += Order Info =
571 +
1001 1001  Part Number: (% class="mark" %)**LHT65N-XX**
1002 1002  
1003 1003  **XX**: The default frequency band
... ... @@ -1015,7 +1015,7 @@
1015 1015  
1016 1016  * **E3**: External Temperature Probe
1017 1017  
1018 -= 7. Packing Info =
589 += Packing Info =
1019 1019  
1020 1020  **Package Includes**:
1021 1021  
... ... @@ -1030,10 +1030,10 @@
1030 1030  * Package Size / pcs : 14.5 x 8 x 5 cm
1031 1031  * Weight / pcs : 170g
1032 1032  
1033 -= 8. FCC Warning =
604 += FCC Warning =
1034 1034  
1035 1035  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1036 1036  
1037 -(1) This device may not cause harmful interference；
608 +(1) This device may not cause harmful interference, and
1038 1038  
1039 -(2) this device must accept any interference received, including interference that may cause undesired operation.
610 +(2) this device must accept any interference received, including interference that may cause undesired operation
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