Last modified by Mengting Qiu on 2024/04/30 14:27
<
From version < 76.6 >
edited by Xiaoling
on 2022/05/23 15:39
To version < 52.1 >
edited by Edwin Chen
on 2022/05/23 00:35
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Summary

Details

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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
... ... @@ -54,87 +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 -[[image:image-20220523153201-19.png||height="163" width="739"]]
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.
136 136  
137 -== 2.3 Example to join LoRaWAN network ==
85 +== Example to join LoRaWAN network ==
138 138  
139 139  (% class="wikigeneratedid" %)
140 140  This section shows an example of how to join the TTN V3 LoRaWAN IoT server. Use with other LoRaWAN IoT servers is of a similar procedure.
... ... @@ -145,7 +145,7 @@
145 145  Assume the LPS8N is already set to connect to [[TTN V3 network>>url:https://eu1.cloud.thethings.network]], So it provides network coverage for LHT65N. Next we need to add the LHT65N device in TTN V3:
146 146  
147 147  
148 -=== 2.3.1 Step 1: Create Device n TTN ===
96 +=== **Step 1**: Create Device n TTN ===
149 149  
150 150  Create a device in TTN V3 with the OTAA keys from LHT65N.
151 151  
... ... @@ -159,8 +159,10 @@
159 159  
160 160  [[image:image-20220522232916-3.png]]
161 161  
110 +
162 162  [[image:image-20220522232932-4.png]]
163 163  
113 +
164 164  [[image:image-20220522232954-5.png]]
165 165  
166 166  Note: LHT65N use same payload as LHT65.
... ... @@ -173,60 +173,37 @@
173 173  [[image:image-20220522233118-7.png]]
174 174  
175 175  
176 -=== 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
126 +=== Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
177 177  
178 178  Use ACT button to activate LHT65N and it will auto-join to the TTN V3 network. After join success, it will start to upload sensor data to TTN V3 and user can see in the panel.
179 179  
180 -[[image:image-20220522233300-8.png||height="219" width="722"]]
130 +[[image:image-20220522233300-8.png]]
181 181  
182 182  
183 -== 2.4 Uplink Payload ==
133 +== Uplink Payload: ==
184 184  
185 -The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
135 +The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
186 186  
187 -After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
137 +After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
188 188  
189 -(% border="1" style="background-color:#ffffcc; color:green; width:426px" %)
190 -|(% style="width:97px" %)(((
191 -**Size(bytes)**
192 -)))|(% style="width:39px" %)(((
193 -**2**
194 -)))|(% style="width:100px" %)(((
195 -**2**
196 -)))|(% style="width:77px" %)(((
197 -**2**
198 -)))|(% style="width:47px" %)(((
199 -**1**
200 -)))|(% style="width:51px" %)(((
201 -**4**
202 -)))
203 -|(% style="width:97px" %)(((
204 -**Value**
205 -)))|(% style="width:39px" %)(((
206 -[[BAT>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.2BAT-BatteryInfo]]
207 -)))|(% style="width:100px" %)(((
208 -(((
209 -[[Built-In Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
210 -)))
211 -)))|(% style="width:77px" %)(((
212 -(((
213 -[[Built-in>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
214 -)))
215 215  
216 -(((
217 -[[Humidity>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
218 -)))
219 -)))|(% style="width:47px" %)(((
220 -[[Ext>>path:#Extension_Sensor]] #
221 -)))|(% style="width:51px" %)(((
222 -[[Ext value>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.6Extvalue]]
223 -)))
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]]
224 224  
145 +[[Temperature>>path:#SHT20_Temperature]]
146 +)))|(% style="width:103px" %)(((
147 +[[Built-in>>path:#SHT20_Humidity]]
148 +
149 +[[Humidity>>path:#SHT20_Humidity]]
150 +)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
151 +
225 225  * The First 6 bytes: has fix meanings for every LHT65N.
226 226  * The 7th byte (EXT #): defines the external sensor model.
227 227  * The 8^^th^^ ~~ 11^^th^^ byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
228 228  
229 -=== 2.4.1 Decoder in TTN V3 ===
156 +=== Decoder in TTN V3 ===
230 230  
231 231  When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N decoder in TTNv3 for friendly reading.
232 232  
... ... @@ -234,24 +234,37 @@
234 234  
235 235  [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
236 236  
237 -[[image:image-20220522234118-10.png||height="353" width="729"]]
164 +[[image:image-20220522234118-10.png]]
238 238  
239 -=== 2.4.2 BAT-Battery Info ===
240 240  
167 +=== BAT-Battery Info ===
168 +
241 241  These two bytes of BAT include the battery state and the actually voltage
242 242  
243 -[[image:image-20220523152839-18.png]]
171 +(% style="width:646px" %)
172 +|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
173 +|Value|(% style="width:272px" %)(((
174 +BAT Status
244 244  
245 -[[image:image-20220522235639-1.png||height="139" width="727"]]
176 +00(b): Ultra Low ( BAT <= 2.50v)
246 246  
178 +01(b): Low  (2.50v <=BAT <= 2.55v)
179 +
180 +10(b): OK   (2.55v <= BAT <=2.65v)
181 +
182 +11(b): Good   (BAT >= 2.65v)
183 +)))|(% style="width:214px" %)Actually BAT voltage
184 +
185 +[[image:image-20220522235639-1.png]]
186 +
247 247  Check the battery voltage for LHT65N.
248 248  
249 249  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
250 250  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
251 251  
252 -=== 2.4.3 Built-in Temperature ===
192 +=== Built-in Temperature ===
253 253  
254 -[[image:image-20220522235639-2.png||height="138" width="722"]]
194 +[[image:image-20220522235639-2.png]]
255 255  
256 256  * Temperature:  0x0ABB/100=27.47℃
257 257  
... ... @@ -259,92 +259,72 @@
259 259  
260 260  * Temperature:  (0xF5C6-65536)/100=-26.18℃
261 261  
262 -=== 2.4.4 Built-in Humidity ===
202 +=== Built-in Humidity ===
263 263  
264 -[[image:image-20220522235639-4.png||height="138" width="722"]]
204 +[[image:image-20220522235639-4.png]]
265 265  
266 266  * Humidity:    0x025C/10=60.4%
267 267  
268 -=== 2.4.5 Ext # ===
208 +=== Ext # ===
269 269  
270 270  Bytes for External Sensor:
271 271  
272 -[[image:image-20220523152822-17.png]]
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
273 273  
274 -=== 2.4.6 Ext value ===
217 +=== Ext value ===
275 275  
276 -==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
219 +==== Ext~=1, E3 Temperature Sensor ====
277 277  
278 278  [[image:image-20220522235639-5.png]]
279 279  
223 +
280 280  * DS18B20 temp=0x0ADD/100=27.81℃
281 281  
282 282  The last 2 bytes of data are meaningless
283 283  
228 +
229 +
284 284  [[image:image-20220522235639-6.png]]
285 285  
286 286  * External temperature= (0xF54F-65536)/100=-27.37℃
287 287  
288 -(((
289 289  The last 2 bytes of data are meaningless
290 -)))
291 291  
292 -(((
236 +
293 293  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
294 -)))
295 295  
296 296  
297 -==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
240 +==== Ext~=9, E3 sensor with Unix Timestamp ====
298 298  
299 299  Timestamp mode is designed for LHT65N with E3 probe, it will send the uplink payload with Unix timestamp. With the limitation of 11 bytes (max distance of AU915/US915/AS923 band), the time stamp mode will be lack of BAT voltage field, instead, it shows the battery status. The payload is as below:
300 300  
301 -(% border="1" style="background-color:#ffffcc; color:green; width:468px" %)
302 -|(% style="width:96px" %)(((
303 -**Size(bytes)**
304 -)))|(% style="width:71px" %)(((
305 -**2**
306 -)))|(% style="width:99px" %)(((
307 -**2**
308 -)))|(% style="width:132px" %)(((
309 -**2**
310 -)))|(% style="width:54px" %)(((
311 -**1**
312 -)))|(% style="width:64px" %)(((
313 -**4**
314 -)))
315 -|(% style="width:96px" %)(((
316 -**Value**
317 -)))|(% style="width:71px" %)(((
318 -[[External temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.2SetExternalSensorMode]]
319 -)))|(% style="width:99px" %)(((
320 -(((
321 -[[Built-In>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
322 -)))
323 323  
324 -(((
325 -[[Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
326 -)))
327 -)))|(% style="width:132px" %)(((
328 -(((
329 -BAT Status &
330 -)))
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]]
331 331  
332 -(((
333 -[[Built-in Humidity>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
250 +[[Temperature>>path:#SHT20_Temperature]]
251 +)))|(% style="width:106px" %)(((
252 +[[BAT Status &>>path:#BAT_Humidity]]
253 +
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]]
334 334  )))
335 -)))|(% style="width:54px" %)(((
336 -Status & Ext
337 -)))|(% style="width:64px" %)(((
338 -(((
339 -[[Unix Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.1SetTransmitIntervalTime]]
340 -)))
341 -)))
342 342  
343 -* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
263 +* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
344 344  
345 -(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
346 -|(% style="width:65px" %)Bit(bit)|(% style="width:267px" %)[15:14]|(% style="width:134px" %)[11:0]
347 -|(% style="width:65px" %)Value|(% style="width:267px" %)(((
265 +(% style="width:587px" %)
266 +|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
267 +|Value|(% style="width:280px" %)(((
348 348  BAT Status
349 349  
350 350  00(b): Ultra Low ( BAT <= 2.50v)
... ... @@ -354,8 +354,8 @@
354 354  10(b): OK   (2.55v <= BAT <=2.65v)
355 355  
356 356  11(b): Good   (BAT >= 2.65v)
357 -)))|(% style="width:134px" %)(((
358 -[[Built-in Humidity>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
277 +)))|(% style="width:136px" %)(((
278 +[[Built-in Humidity>>path:#SHT20_Humidity]]
359 359  
360 360  
361 361  )))
... ... @@ -362,27 +362,29 @@
362 362  
363 363  * **Status & Ext Byte**
364 364  
365 -[[image:image-20220523152434-16.png]]
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:
366 366  
290 +0b(1001)
291 +)))
292 +
367 367  * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
368 368  * Sync time OK: 1: Set time ok，0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
369 369  * Unix Time Request:1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
370 370  
371 -== 2.5 Show data on Datacake ==
297 +== Show data on Datacake ==
372 372  
373 373  Datacake IoT platform provides a human-friendly interface to show the sensor data, once we have sensor data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps:
374 374  
375 -(((
301 +
376 376  **Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
377 -)))
378 378  
379 -(((
380 380  **Step 2**: Configure your Application to forward data to Datacake you will need to add integration. Go to TTN V3 Console ~-~-> Applications ~-~-> Integrations ~-~-> Add Integrations.
381 -)))
382 382  
383 -(((
306 +
384 384  Add Datacake:
385 -)))
386 386  
387 387  [[image:image-20220523000825-7.png||height="262" width="583"]]
388 388  
... ... @@ -391,17 +391,21 @@
391 391  
392 392  [[image:image-20220523000825-8.png||height="453" width="406"]]
393 393  
316 +
394 394  In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
395 395  
396 396  [[image:image-20220523000825-9.png||height="366" width="392"]]
397 397  
398 -[[image:image-20220523000825-10.png||height="413" width="728"]]
399 399  
400 -== 2.6 Datalog Feature ==
401 401  
323 +[[image:image-20220523000825-10.png||height="432" width="762"]]
324 +
325 +
326 +== Datalog Feature ==
327 +
402 402  This feature is always enabled. When user wants to retrieve the sensor value, he can send a poll command from the IoT platform to ask LHT65N to send the value in the required time slot.
403 403  
404 -=== 2.6.1 Unix TimeStamp ===
330 +=== Unix TimeStamp ===
405 405  
406 406  LHT65N uses Unix TimeStamp format based on
407 407  
... ... @@ -408,215 +408,100 @@
408 408  [[image:image-20220523001219-11.png||height="97" width="627"]]
409 409  
410 410  
411 -(((
412 412  User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
413 -)))
414 414  
415 -(((
416 416  Below is the converter example
417 -)))
418 418  
419 -[[image:image-20220523001219-12.png||height="298" width="720"]]
341 +[[image:image-20220523001219-12.png||height="353" width="853"]]
420 420  
421 421  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
422 422  
423 -=== 2.6.2 Set Device Time ===
424 424  
425 -(((
346 +=== Set Device Time ===
347 +
426 426  There are two ways to set device’s time:
427 -)))
428 428  
429 -(((
430 430  **~1. Through LoRaWAN MAC Command (Default settings)**
431 -)))
432 432  
433 -(((
434 434  User need to set SYNCMOD=1 to enable sync time via MAC command.
435 -)))
436 436  
437 -(((
438 438  Once LHT65N Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LHT65N. If LHT65N fails to get the time from the server, LHT65N will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
439 -)))
440 440  
441 -(((
442 442  Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn’t support. If server doesn’t support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.
443 -)))
444 444  
445 -(((
446 -
447 -)))
448 448  
449 -(((
450 450  **2. Manually Set Time**
451 -)))
452 452  
453 -(((
454 454  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
455 -)))
456 456  
457 -=== 2.6.3 Poll sensor value ===
458 458  
364 +=== Poll sensor value ===
365 +
459 459  User can poll sensor value based on timestamps from the server. Below is the downlink command.
460 460  
461 -[[image:image-20220523152302-15.png]]
462 462  
463 -(((
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
372 +
464 464  Timestamp start and Timestamp end use Unix TimeStamp format as mentioned above. Devices will reply with all data log during this time period, use the uplink interval.
465 -)))
466 466  
467 -(((
468 -For example, downlink command **31 5FC5F350 5FC6 0160 05**
469 -)))
470 470  
471 -(((
376 +For example, downlink command 31 5FC5F350 5FC6 0160 05
377 +
472 472  Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
473 -)))
474 474  
475 -(((
476 476  Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
477 -)))
478 478  
479 479  
480 -=== 2.6.4 Datalog Uplink payload ===
383 +=== Datalog Uplink payload ===
481 481  
482 482  The Datalog poll reply uplink will use below payload format.
483 483  
484 -(((
485 -**Retrieval data payload**
486 -)))
487 487  
488 -(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
489 -|(% style="width:93px" %)(((
490 -(((
491 -**Size(bytes)**
492 -)))
493 -)))|(% style="width:71px" %)(((
494 -(((
495 -**2**
496 -)))
497 -)))|(% style="width:102px" %)(((
498 -(((
499 -**2**
500 -)))
501 -)))|(% style="width:86px" %)(((
502 -(((
503 -**2**
504 -)))
505 -)))|(% style="width:86px" %)(((
506 -(((
507 -**1**
508 -)))
509 -)))|(% style="width:48px" %)(((
510 -(((
511 -**4**
512 -)))
513 -)))
514 -|(% style="width:93px" %)(((
515 -(((
516 -**Value**
517 -)))
518 -)))|(% style="width:71px" %)(((
519 -(((
520 -[[External sensor data>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.6Extvalue]]
521 -)))
522 -)))|(% style="width:102px" %)(((
523 -(((
524 -(((
525 -[[Built In>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
526 -)))
527 -)))
388 +Retrieval data payload
528 528  
529 -(((
530 -(((
531 -[[Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
532 -)))
533 -)))
534 -)))|(% style="width:86px" %)(((
535 -(((
536 -(((
537 -[[Built-in>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
538 -)))
539 -)))
390 +|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
391 +|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
392 +[[Built-In>>path:#SHT20_Temperature]]
540 540  
541 -(((
542 -(((
543 -[[Humidity>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
544 -)))
545 -)))
546 -)))|(% style="width:86px" %)(((
547 -(((
548 -[[Poll message flag & Ext>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.6.4DatalogUplinkpayload]]
549 -)))
550 -)))|(% style="width:48px" %)(((
551 -(((
552 -(((
553 -[[Unix Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.6.1UnixTimeStamp]]
554 -)))
555 -)))
394 +[[Temperature>>path:#SHT20_Temperature]]
395 +)))|(((
396 +[[Built-in>>path:#SHT20_Humidity]]
556 556  
557 -(((
558 -(((
398 +[[Humidity>>path:#SHT20_Humidity]]
399 +)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
400 +[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
401 +
559 559  
560 560  )))
561 -)))
562 -)))
563 563  
564 -**Poll message flag & Ext**
405 +Poll message flag & Ext
565 565  
566 -[[image:image-20220523152208-14.png]]
567 567  
568 -(((
569 -(((
570 -Poll Message Flag: 1: This message is a poll message reply.
571 -)))
572 -)))
408 +|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
409 +|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
410 +Ext:
573 573  
574 -* (((
575 -(((
576 -Poll Message Flag is set to 1.
412 +0b(1001)
577 577  )))
578 -)))
579 -* (((
580 -(((
581 -Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
582 -)))
583 -)))
584 584  
585 -(((
586 -(((
415 +Poll Message Flag: 1: This message is a poll message reply.
416 +
417 +* Poll Message Flag is set to 1.
418 +* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
419 +
587 587  For example, in US915 band, the max payload for different DR is:
588 -)))
589 -)))
590 590  
591 -(((
592 -(((
593 -a) DR0: max is 11 bytes so one entry of data
594 -)))
595 -)))
422 +a)      DR0: max is 11 bytes so one entry of data
596 596  
597 -(((
598 -(((
599 -b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
600 -)))
601 -)))
424 +b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
602 602  
603 -(((
604 -(((
605 -c) DR2: total payload includes 11 entries of data
606 -)))
607 -)))
426 +c)      DR2: total payload includes 11 entries of data
608 608  
609 -(((
610 -(((
611 -d) DR3: total payload includes 22 entries of data.
612 -)))
613 -)))
428 +d)      DR3: total payload includes 22 entries of data.
614 614  
615 -(((
616 -(((
617 617  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
618 -)))
619 -)))
620 620  
621 621  
622 622  **Example:**
... ... @@ -623,29 +623,37 @@
623 623  
624 624  If LHT65N has below data inside Flash:
625 625  
626 -[[image:image-20220523144455-1.png||height="335" width="735"]]
437 +Flash Addr   |Unix Time | Ext | BAT voltage|  Value                  
627 627  
628 -(((
629 -If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
630 -)))
439 +80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
631 631  
632 -(((
441 +80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
442 +
443 +8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
444 +
445 +8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
446 +
447 +8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
448 +
449 +8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
450 +
451 +8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
452 +
453 +8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
454 +
455 +
456 +If user sends below downlink command:
457 +
458 +3160065F9760066DA705
459 +
633 633   Where : Start time: 60065F97 = time 21/1/19 04:27:03
634 -)))
635 635  
636 -(((
637 637   Stop time 60066DA7= time 21/1/19 05:27:03
638 -)))
639 639  
640 -(((
641 -
642 -)))
643 643  
644 -(((
645 645  LHT65N will uplink this payload.
646 -)))
647 647  
648 -[[image:image-20220523001219-13.png||height="421" width="727"]]
467 +[[image:image-20220523001219-13.png]]
649 649  
650 650  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
651 651  
... ... @@ -663,69 +663,49 @@
663 663  
664 664  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
665 665  
666 -== 2.7 Alarm Mode ==
667 667  
486 +== Alarm Mode ==
487 +
668 668  Alarm mode feature is added since firmware v1.5. When device is in Alarm mode, it will check the built-in sensor temperature in a short interval. If the temperature exceeds the pre-configure range, it will send an uplink immediately.
669 669  
670 -(((
671 -(% style="color:red" %)Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
672 -)))
673 673  
674 -(((
675 -**AT Commands for Alarm mode:**
676 -)))
491 +Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
677 677  
678 -(% class="box infomessage" %)
679 -(((
680 -(((
493 +
494 +AT Commands for Alarm mode:
495 +
681 681  **AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
682 -)))
683 -)))
684 684  
685 -(% class="box infomessage" %)
686 -(((
687 -(((
688 688  **AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
689 -)))
690 -)))
691 691  
692 -== 2.8 LED Indicator ==
693 693  
694 -(((
501 +
502 +== LED Indicator ==
503 +
695 695  The LHT65N has a triple color LED which for easy shows different stage.
696 -)))
697 697  
698 -(((
699 699  While pressing ACT button, the LED will work as per LED status with ACT button.
700 -)))
701 701  
702 -(((
703 703  In a normal working state:
704 -)))
705 705  
706 -* (((
707 -For each uplink, the BLUE LED or RED LED will blink once.
708 -)))
709 -* (((
710 -BLUE LED when an external sensor is connected
711 -)))
712 -* (((
713 -RED LED when an external sensor is not connected
714 -)))
715 -* (((
716 -For each success downlink, the PURPLE LED will blink once
717 -)))
510 +* For each uplink, the BLUE LED or RED LED will blink once.
511 +* BLUE LED when an external sensor is connected
512 +* RED LED when an external sensor is not connected
513 +* For each success downlink, the PURPLE LED will blink once
718 718  
719 719  ----
720 720  
721 -== 2.9 Installation ==
517 +== Installation ==
722 722  
723 723  [[image:image-20220516231650-1.png||height="436" width="428"]]
724 724  
725 -= 3. Sensors & Accessories =
726 726  
727 -== 3.1 E3 Temperature Probe ==
728 728  
523 +
524 += Sensors & Accessories =
525 +
526 +== E3 Temperature Probe ==
527 +
729 729  [[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
730 730  
731 731  
... ... @@ -738,7 +738,7 @@
738 738  * -55°C to 125°C
739 739  * Working voltage 2.35v ~~ 5v
740 740  
741 -= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
540 += Configure LHT65N via AT Command or LoRaWAN Downlink =
742 742  
743 743  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
744 744  
... ... @@ -747,9 +747,10 @@
747 747  
748 748  [[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server>>url:http://wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server]]
749 749  
549 +
750 750  There are two kinds of commands to configure LHT65N, they are:
751 751  
752 -(% style="color:#4f81bd" %)* **General Commands**.
552 +* **General Commands**.
753 753  
754 754  These commands are to configure:
755 755  
... ... @@ -760,18 +760,34 @@
760 760  
761 761  [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
762 762  
763 -(% style="color:#4f81bd" %)* **Commands special design for LHT65N**
764 764  
564 +
565 +* **Commands special design for LHT65N**
566 +
765 765  These commands are only valid for LHT65N, as below:
766 766  
767 -== 4.1 Set Transmit Interval Time ==
768 768  
570 +== Set Transmit Interval Time ==
571 +
769 769  Feature: Change LoRaWAN End Node Transmit Interval.
770 770  
771 771  **AT Command: AT+TDC**
772 772  
773 -[[image:image-20220523150701-2.png]]
576 +|**Command Example**|**Function**|**Response**
577 +|AT+TDC?|Show current transmit Interval|(((
578 +30000
774 774  
580 +OK
581 +
582 +the interval is 30000ms = 30s
583 +)))
584 +|AT+TDC=60000|Set Transmit Interval|(((
585 +OK
586 +
587 +Set transmit interval to 60000ms = 60 seconds
588 +)))
589 +
590 +
775 775  **Downlink Command: 0x01**
776 776  
777 777  Format: Command Code (0x01) followed by 3 bytes time value.
... ... @@ -778,29 +778,41 @@
778 778  
779 779  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
780 780  
781 -* **Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
782 -* **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
597 +* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
598 +* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
783 783  
784 -== 4.2 Set External Sensor Mode ==
785 785  
601 +== Set External Sensor Mode ==
602 +
786 786  Feature: Change External Sensor Mode.
787 787  
788 788  **AT Command: AT+EXT**
789 789  
790 -[[image:image-20220523150759-3.png]]
607 +|**Command Example**|**Function**|**Response**
608 +|AT+EXT?|Get current external sensor mode|(((
609 +1
791 791  
611 +OK
612 +
613 +External Sensor mode =1
614 +)))
615 +|AT+EXT=1|(% colspan="2" %)Set external sensor mode to 1
616 +|AT+EXT=9|(% colspan="2" %)Set to external DS18B20 with timestamp
617 +
618 +
792 792  **Downlink Command: 0xA2**
793 793  
794 794  Total bytes: 2 ~~ 5 bytes
795 795  
796 -**Example:**
623 +Example:
797 797  
798 798  * 0xA201: Set external sensor type to E1
799 799  * 0xA209: Same as AT+EXT=9
800 800  * 0xA20702003c,Same as AT+SETCNT=60
801 801  
802 -== 4.3 Enable/Disable uplink Temperature probe ID ==
803 803  
630 +== Enable/Disable uplink Temperature probe ID ==
631 +
804 804  Feature: If PID is enabled, device will send the temperature probe ID on:
805 805  
806 806  * First Packet after OTAA Join
... ... @@ -808,73 +808,110 @@
808 808  
809 809  PID is default set to disable (0)
810 810  
639 +
811 811  **AT Command:**
812 812  
813 -[[image:image-20220523150928-4.png]]
642 +|**Command Example**|**Function**|**Response**
643 +|AT+PID=1|Enable PID uplink|OK
814 814  
645 +
815 815  **Downlink Command:**
816 816  
817 -* 0xA800  **~-~->** AT+PID=0
818 -* 0xA801     **~-~->** AT+PID=1
648 +* 0xA800     à AT+PID=0
649 +* 0xA801     à AT+PID=1
819 819  
820 -== 4.4 Set Password ==
821 821  
652 +
653 +== Set Password ==
654 +
822 822  Feature: Set device password, max 9 digits
823 823  
824 824  **AT Command: AT+PWORD**
825 825  
826 -[[image:image-20220523151052-5.png]]
659 +|**Command Example**|**Function**|**Response**
660 +|AT+PWORD=?|Show password|(((
661 +123456
827 827  
663 +
664 +OK
665 +)))
666 +|AT+PWORD=999999|Set password|OK
667 +
668 +
828 828  **Downlink Command:**
829 829  
830 830  No downlink command for this feature.
831 831  
832 -== 4.5 Quit AT Command ==
833 833  
674 +== Quit AT Command ==
675 +
834 834  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
835 835  
836 836  **AT Command: AT+DISAT**
837 837  
838 -[[image:image-20220523151132-6.png]]
680 +|**Command Example**|**Function**|**Response**
681 +|AT+DISAT|Quit AT Commands mode|OK
839 839  
683 +
840 840  **Downlink Command:**
841 841  
842 842  No downlink command for this feature.
843 843  
844 -== 4.6 Set to sleep mode ==
845 845  
689 +== Set to sleep mode ==
690 +
846 846  Feature: Set device to sleep mode
847 847  
848 848  **AT Command: AT+SLEEP**
849 849  
850 -[[image:image-20220523151218-7.png]]
695 +| | |
696 +|**Command Example**|**Function**|**Response**
697 +|AT+SLEEP|Set to sleep mode|(((
698 +Clear all stored sensor data…
851 851  
700 +OK
701 +)))
702 +
703 +
852 852  **Downlink Command:**
853 853  
854 854  * There is no downlink command to set to Sleep mode.
855 855  
856 -== 4.7 Set system time ==
857 857  
709 +
710 +== Set system time ==
711 +
858 858  Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
859 859  
860 860  **AT Command:**
861 861  
862 -[[image:image-20220523151253-8.png]]
716 +|**Command Example**|**Function**
717 +|AT+TIMESTAMP=1611104352|(((
718 +OK
863 863  
720 +Set System time to 2021-01-20 00:59:12
721 +)))
722 +
723 +
864 864  **Downlink Command:**
865 865  
866 866  0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
867 867  
868 -== 4.8 Set Time Sync Mode ==
869 869  
729 +== Set Time Sync Mode ==
730 +
870 870  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
871 871  
733 +
872 872  SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user need to set this to 0.
873 873  
736 +
874 874  **AT Command:**
875 875  
876 -[[image:image-20220523151336-9.png]]
739 +|**Command Example**|**Function**
740 +|AT+SYNCMOD=1|Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
877 877  
742 +
878 878  **Downlink Command:**
879 879  
880 880  0x28 01 ~/~/ Same As AT+SYNCMOD=1
... ... @@ -881,169 +881,202 @@
881 881  
882 882  0x28 00 ~/~/ Same As AT+SYNCMOD=0
883 883  
884 -== 4.9 Set Time Sync Interval ==
885 885  
750 +== Set Time Sync Interval ==
751 +
886 886  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
887 887  
888 888  **AT Command:**
889 889  
890 -[[image:image-20220523151411-10.png]]
756 +|**Command Example**|**Function**
757 +|AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
891 891  
759 +
892 892  **Downlink Command:**
893 893  
894 894  0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
895 895  
896 -== 4.10 Print data entries base on page. ==
897 897  
765 +== Print data entries base on page. ==
766 +
898 898  Feature: Print the sector data from start page to stop page (max is 416 pages).
899 899  
900 900  **AT Command: AT+PDTA**
901 901  
902 -[[image:image-20220523151450-11.png]]
771 +|**Command Example**|**Response**
772 +|(((
773 +AT+PDTA=1,3
903 903  
775 +
776 +
777 +Print page 1 to 3
778 +)))|(((
779 +8019500 19/6/26 16:48 1 2992 sht_temp=28.21 sht_hum=71.5 ds_temp=27.31
780 +
781 +8019510 19/6/26 16:53 1 2994 sht_temp=27.64 sht_hum=69.3 ds_temp=26.93
782 +
783 +8019520 19/6/26 16:58 1 2996 sht_temp=28.39 sht_hum=72.0 ds_temp=27.06
784 +
785 +8019530 19/6/26 17:03 1 2996 sht_temp=27.97 sht_hum=70.4 ds_temp=27.12
786 +
787 +8019540 19/6/26 17:08 1 2996 sht_temp=27.80 sht_hum=72.9 ds_temp=27.06
788 +
789 +8019550 19/6/26 17:13 1 2998 sht_temp=27.30 sht_hum=72.4 ds_temp=26.68
790 +
791 +8019560 19/6/26 17:22 1 2992 sht_temp=26.27 sht_hum=62.3 ds_temp=26.56
792 +
793 +8019570
794 +
795 +8019580
796 +
797 +8019590
798 +
799 +80195A0
800 +
801 +80195B0
802 +
803 +80195C0
804 +
805 +80195D0
806 +
807 +80195E0
808 +
809 +80195F0
810 +
811 +
812 +OK
813 +)))
814 +
815 +
904 904  **Downlink Command:**
905 905  
906 906  No downlink commands for feature
907 907  
908 -== 4.11 Print last few data entries. ==
909 909  
821 +
822 +== Print last few data entries. ==
823 +
910 910  Feature: Print the last few data entries
911 911  
912 912  **AT Command: AT+PLDTA**
913 913  
914 -[[image:image-20220523151524-12.png]]
828 +|**Command Example**|**Response**
829 +|(((
830 +AT+PLDTA=5
915 915  
832 +
833 +
834 +Print last 5 entries
835 +)))|(((
836 +Stop Tx and RTP events when read sensor data
837 +
838 +1 19/6/26 13:59 1 3005 sht_temp=27.09 sht_hum=79.5 ds_temp=26.75
839 +
840 +2 19/6/26 14:04 1 3007 sht_temp=26.65 sht_hum=74.8 ds_temp=26.43
841 +
842 +3 19/6/26 14:09 1 3007 sht_temp=26.91 sht_hum=77.9 ds_temp=26.56
843 +
844 +4 19/6/26 14:15 1 3007 sht_temp=26.93 sht_hum=76.7 ds_temp=26.75
845 +
846 +5 19/6/26 14:20 1 3007 sht_temp=26.78 sht_hum=76.6 ds_temp=26.43
847 +
848 +Start Tx and RTP events
849 +
850 +OK
851 +)))
852 +
853 +
916 916  **Downlink Command:**
917 917  
918 918  No downlink commands for feature
919 919  
920 -== 4.12 Clear Flash Record ==
921 921  
859 +
860 +== Clear Flash Record ==
861 +
922 922  Feature: Clear flash storage for data log feature.
923 923  
924 924  **AT Command: AT+CLRDTA**
925 925  
926 -[[image:image-20220523151556-13.png]]
866 +|**Command Example**|**Function**|**Response**
867 +|AT+CLRDTA|Clear date record|(((
868 +Clear all stored sensor data…
927 927  
870 +OK
871 +)))
872 +
873 +
928 928  **Downlink Command: 0xA3**
929 929  
930 930  * Example: 0xA301 ~/~/Same as AT+CLRDTA
931 931  
932 -= 5. Battery & How to replace =
933 933  
934 -== 5.1 Battery Type ==
935 935  
880 +
881 += Battery & How to replace =
882 +
883 +== Battery Type ==
884 +
936 936  LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters.
937 937  
938 -(((
939 939  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
940 940  [[image:image-20220515075034-1.png||height="208" width="644"]]
941 -)))
942 942  
943 -(((
890 +
944 944  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
945 945  
946 -)))
947 947  
948 -== 5.2 Replace Battery ==
894 +== Replace Battery ==
949 949  
950 950  LHT65N has two screws on the back, Unscrew them, and changing the battery inside is ok. The battery is a general CR17450 battery. Any brand should be ok.
951 951  
952 952  [[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
953 953  
954 -== 5.3 Battery Life Analyze ==
955 955  
956 -(((
901 +== Battery Life Analyze ==
902 +
957 957  Dragino battery-powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimated battery life:
958 958  https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
959 -)))
960 960  
961 -= 6. Order Info =
962 962  
963 -(((
964 -Part Number: (% style="color:#4f81bd" %)** LHT65N-XX**
965 -)))
907 += Order Info =
966 966  
967 -(((
968 -(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
969 -)))
909 +Part Number: (% class="mark" %)**LHT65N-XX**
970 970  
971 -* (((
972 -(% style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
973 -)))
974 -* (((
975 -(% style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
976 -)))
977 -* (((
978 -(% style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
979 -)))
980 -* (((
981 -(% style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
982 -)))
983 -* (((
984 -(% style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
985 -)))
986 -* (((
987 -(% style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
988 -)))
989 -* (((
990 -(% style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
991 -)))
992 -* (((
993 -(% style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
994 -)))
911 +**XX**: The default frequency band
995 995  
996 -(((
997 -(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
998 -)))
913 +* **AS923**: LoRaWAN AS923 band
914 +* **AU915**: LoRaWAN AU915 band
915 +* **EU433**: LoRaWAN EU433 band
916 +* **EU868**: LoRaWAN EU868 band
917 +* **KR920**: LoRaWAN KR920 band
918 +* **US915**: LoRaWAN US915 band
919 +* **IN865**: LoRaWAN IN865 band
920 +* **CN470**: LoRaWAN CN470 band
999 999  
1000 -* (((
1001 -(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
1002 -)))
922 +**YY**: Sensor Accessories
1003 1003  
1004 -= 7. Packing Info =
924 +* **E3**: External Temperature Probe
1005 1005  
1006 -(((
926 += Packing Info =
927 +
1007 1007  **Package Includes**:
1008 -)))
1009 1009  
1010 -* (((
1011 -LHT65N Temperature & Humidity Sensor x 1
1012 -)))
1013 -* (((
1014 -Program cable x 1
1015 -)))
1016 -* (((
1017 -Optional external sensor
1018 -)))
930 +* LHT65N Temperature & Humidity Sensor x 1
931 +* Program cable x 1
932 +* Optional external sensor
1019 1019  
1020 -(((
1021 1021  **Dimension and weight**:
1022 -)))
1023 1023  
1024 -* (((
1025 -Device Size:  13.5 x 7 x 3 cm
1026 -)))
1027 -* (((
1028 -Device Weight: 105g
1029 -)))
1030 -* (((
1031 -Package Size / pcs : 14.5 x 8 x 5 cm
1032 -)))
1033 -* (((
1034 -Weight / pcs : 170g
1035 -)))
936 +* Device Size:  13.5 x 7 x 3 cm
937 +* Device Weight: 105g
938 +* Package Size / pcs : 14.5 x 8 x 5 cm
939 +* Weight / pcs : 170g
1036 1036  
1037 -= 8. FCC Warning =
941 += FCC Warning =
1038 1038  
1039 -(((
1040 1040  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1041 -)))
1042 1042  
1043 -(((
1044 -(1) This device may not cause harmful interference；
1045 -)))
945 +(1) This device may not cause harmful interference, and
1046 1046  
1047 -(((
1048 -(2) this device must accept any interference received, including interference that may cause undesired operation.
1049 -)))
947 +(2) this device must accept any interference received, including interference that may cause undesired operation
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