Last modified by Mengting Qiu on 2024/04/30 14:27
<
From version < 79.1 >
edited by Edwin Chen
on 2022/05/24 23:46
To version < 56.1 >
edited by Xiaoling
on 2022/05/23 11:53
>
Change comment: Uploaded new attachment "image-20220523115324-1.jpeg", version {1}

Summary

Details

Page properties
Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20220523115324-1.jpeg||height="317" width="317"]]
2 +[[image:image-20220523111447-1.jpeg||height="448" width="448"]]
3 3  
4 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 +{{toc/}}
6 +{{/box}}
4 4  
5 -**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
6 -
7 -
8 -
9 -
10 -**Table of Contents：**
11 -
12 12  {{toc/}}
13 13  
14 14  
15 15  
12 += 1.Introduction =
16 16  
17 -= 1. Introduction =
18 -
19 19  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
20 20  
21 -(((
22 -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**(%%)**.**
23 -)))
24 24  
25 -(((
17 +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 +
26 26  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.
27 -)))
28 28  
29 -(((
30 30  LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
31 -)))
32 32  
33 -(((
34 34  LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
35 -)))
36 36  
37 -(((
38 -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.
39 -)))
25 +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.
40 40  
41 -(((
42 42  *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
43 -)))
44 44  
45 45  == 1.2 Features ==
46 46  
... ... @@ -58,69 +58,36 @@
58 58  
59 59  == 1.3 Specification ==
60 60  
61 -(((
62 62  **Built-in Temperature Sensor:**
63 -)))
64 64  
65 -* (((
66 -Resolution: 0.01 °C
67 -)))
68 -* (((
69 -Accuracy Tolerance : Typ ±0.3 °C
70 -)))
71 -* (((
72 -Long Term Drift: < 0.02 °C/yr
73 -)))
74 -* (((
75 -Operating Range: -40 ~~ 85 °C
76 -)))
47 +* Resolution: 0.01 °C
48 +* Accuracy Tolerance : Typ ±0.3 °C
49 +* Long Term Drift: < 0.02 °C/yr
50 +* Operating Range: -40 ~~ 85 °C
77 77  
78 -(((
79 79  **Built-in Humidity Sensor:**
80 -)))
81 81  
82 -* (((
83 -Resolution: 0.04 %RH
84 -)))
85 -* (((
86 -Accuracy Tolerance : Typ ±3 %RH
87 -)))
88 -* (((
89 -Long Term Drift: < 0.02 °C/yr
90 -)))
91 -* (((
92 -Operating Range: 0 ~~ 96 %RH
93 -)))
54 +* Resolution: 0.04 %RH
55 +* Accuracy Tolerance : Typ ±3 %RH
56 +* Long Term Drift: < 0.02 °C/yr
57 +* Operating Range: 0 ~~ 96 %RH
94 94  
95 -(((
96 96  **External Temperature Sensor:**
97 -)))
98 98  
99 -* (((
100 -Resolution: 0.0625 °C
101 -)))
102 -* (((
103 -±0.5°C accuracy from -10°C to +85°C
104 -)))
105 -* (((
106 -±2°C accuracy from -55°C to +125°C
107 -)))
108 -* (((
109 -Operating Range: -55 °C ~~ 125 °C
110 -)))
61 +* Resolution: 0.0625 °C
62 +* ±0.5°C accuracy from -10°C to +85°C
63 +* ±2°C accuracy from -55°C to +125°C
64 +* Operating Range: -55 °C ~~ 125 °C
111 111  
112 112  = 2. Connect LHT65N to IoT Server =
113 113  
114 114  == 2.1 How does LHT65N work? ==
115 115  
116 -(((
117 117  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.
118 -)))
119 119  
120 -(((
121 121  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.
122 -)))
123 123  
74 +
124 124  == 2.2 How to Activate LHT65N? ==
125 125  
126 126  The LHT65N has two working modes:
... ... @@ -128,13 +128,15 @@
128 128  * **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
129 129  * **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. 
130 130  
131 -(((
132 132  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
133 -)))
134 134  
135 135  [[image:image-20220515123819-1.png||height="379" width="317"]]
136 136  
137 -[[image:image-20220523153201-19.png||height="180" width="818"]]
86 +(% border="1" %)
87 +|**Behavior on ACT**|**Function**|**Action**
88 +|**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.
89 +|**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.
90 +|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
138 138  
139 139  == 2.3 Example to join LoRaWAN network ==
140 140  
... ... @@ -161,8 +161,10 @@
161 161  
162 162  [[image:image-20220522232916-3.png]]
163 163  
117 +
164 164  [[image:image-20220522232932-4.png]]
165 165  
120 +
166 166  [[image:image-20220522232954-5.png]]
167 167  
168 168  Note: LHT65N use same payload as LHT65.
... ... @@ -179,51 +179,28 @@
179 179  
180 180  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.
181 181  
182 -[[image:image-20220522233300-8.png||height="219" width="722"]]
137 +[[image:image-20220522233300-8.png]]
183 183  
184 184  
185 185  == 2.4 Uplink Payload ==
186 186  
187 -The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
142 +The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
188 188  
189 -After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
144 +After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
190 190  
191 -(% border="1" style="background-color:#ffffcc; color:green; width:426px" %)
192 -|(% style="width:97px" %)(((
193 -**Size(bytes)**
194 -)))|(% style="width:39px" %)(((
195 -**2**
196 -)))|(% style="width:100px" %)(((
197 -**2**
198 -)))|(% style="width:77px" %)(((
199 -**2**
200 -)))|(% style="width:47px" %)(((
201 -**1**
202 -)))|(% style="width:51px" %)(((
203 -**4**
204 -)))
205 -|(% style="width:97px" %)(((
206 -**Value**
207 -)))|(% style="width:39px" %)(((
208 -[[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]]
209 -)))|(% style="width:100px" %)(((
210 -(((
211 -[[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]]
212 -)))
213 -)))|(% style="width:77px" %)(((
214 -(((
215 -[[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]]
216 -)))
217 217  
218 -(((
219 -[[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]]
220 -)))
221 -)))|(% style="width:47px" %)(((
222 -[[Ext>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.5Ext23]] #
223 -)))|(% style="width:51px" %)(((
224 -[[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]]
225 -)))
147 +(% border="1" style="width:572px" %)
148 +|(% 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**
149 +|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
150 +[[Built-In>>path:#SHT20_Temperature]]
226 226  
152 +[[Temperature>>path:#SHT20_Temperature]]
153 +)))|(% style="width:103px" %)(((
154 +[[Built-in>>path:#SHT20_Humidity]]
155 +
156 +[[Humidity>>path:#SHT20_Humidity]]
157 +)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
158 +
227 227  * The First 6 bytes: has fix meanings for every LHT65N.
228 228  * The 7th byte (EXT #): defines the external sensor model.
229 229  * 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.)
... ... @@ -236,16 +236,29 @@
236 236  
237 237  [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
238 238  
239 -[[image:image-20220522234118-10.png||height="353" width="729"]]
171 +[[image:image-20220522234118-10.png]]
240 240  
173 +
241 241  === 2.4.2 BAT-Battery Info ===
242 242  
243 243  These two bytes of BAT include the battery state and the actually voltage
244 244  
245 -[[image:image-20220523152839-18.png]]
178 +(% style="width:646px" %)
179 +|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
180 +|Value|(% style="width:272px" %)(((
181 +BAT Status
246 246  
247 -[[image:image-20220522235639-1.png||height="139" width="727"]]
183 +00(b): Ultra Low ( BAT <= 2.50v)
248 248  
185 +01(b): Low  (2.50v <=BAT <= 2.55v)
186 +
187 +10(b): OK   (2.55v <= BAT <=2.65v)
188 +
189 +11(b): Good   (BAT >= 2.65v)
190 +)))|(% style="width:214px" %)Actually BAT voltage
191 +
192 +[[image:image-20220522235639-1.png]]
193 +
249 249  Check the battery voltage for LHT65N.
250 250  
251 251  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
... ... @@ -253,7 +253,7 @@
253 253  
254 254  === 2.4.3 Built-in Temperature ===
255 255  
256 -[[image:image-20220522235639-2.png||height="138" width="722"]]
201 +[[image:image-20220522235639-2.png]]
257 257  
258 258  * Temperature:  0x0ABB/100=27.47℃
259 259  
... ... @@ -263,7 +263,7 @@
263 263  
264 264  === 2.4.4 Built-in Humidity ===
265 265  
266 -[[image:image-20220522235639-4.png||height="138" width="722"]]
211 +[[image:image-20220522235639-4.png]]
267 267  
268 268  * Humidity:    0x025C/10=60.4%
269 269  
... ... @@ -271,7 +271,10 @@
271 271  
272 272  Bytes for External Sensor:
273 273  
274 -[[image:image-20220523152822-17.png]]
219 +(% style="width:624px" %)
220 +|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
221 +|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
222 +|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
275 275  
276 276  === 2.4.6 Ext value ===
277 277  
... ... @@ -287,13 +287,9 @@
287 287  
288 288  * External temperature= (0xF54F-65536)/100=-27.37℃
289 289  
290 -(((
291 291  The last 2 bytes of data are meaningless
292 -)))
293 293  
294 -(((
295 295  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
296 -)))
297 297  
298 298  
299 299  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
... ... @@ -300,53 +300,30 @@
300 300  
301 301  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:
302 302  
303 -(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
304 -|(% style="width:96px" %)(((
305 -**Size(bytes)**
306 -)))|(% style="width:71px" %)(((
307 -**2**
308 -)))|(% style="width:99px" %)(((
309 -**2**
310 -)))|(% style="width:132px" %)(((
311 -**2**
312 -)))|(% style="width:54px" %)(((
313 -**1**
314 -)))|(% style="width:64px" %)(((
315 -**4**
316 -)))
317 -|(% style="width:96px" %)(((
318 -**Value**
319 -)))|(% style="width:71px" %)(((
320 -[[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]]
321 -)))|(% style="width:99px" %)(((
322 -(((
323 -[[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]]
324 -)))
325 325  
326 -(((
327 -[[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]]
328 -)))
329 -)))|(% style="width:132px" %)(((
330 -(((
331 -BAT Status &
332 -)))
248 +(% border="1" style="width:697px" %)
249 +|(% 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**
250 +|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
251 +[[Built-In>>path:#SHT20_Temperature]]
333 333  
334 -(((
335 -[[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]]
253 +[[Temperature>>path:#SHT20_Temperature]]
254 +)))|(% style="width:106px" %)(((
255 +[[BAT Status &>>path:#BAT_Humidity]]
256 +
257 +[[Built-in>>path:#BAT_Humidity]]
258 +
259 +[[Humidity>>path:#BAT_Humidity]]
260 +)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
261 +[[Unix>>path:#Unix_Time_Stamp]]
262 +
263 +[[Time Stamp>>path:#Unix_Time_Stamp]]
336 336  )))
337 -)))|(% style="width:54px" %)(((
338 -Status & Ext
339 -)))|(% style="width:64px" %)(((
340 -(((
341 -[[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]]
342 -)))
343 -)))
344 344  
345 -* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
266 +* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
346 346  
347 -(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
348 -|(% style="width:65px" %)Bit(bit)|(% style="width:267px" %)[15:14]|(% style="width:134px" %)[11:0]
349 -|(% style="width:65px" %)Value|(% style="width:267px" %)(((
268 +(% border="1" style="width:587px" %)
269 +|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
270 +|Value|(% style="width:280px" %)(((
350 350  BAT Status
351 351  
352 352  00(b): Ultra Low ( BAT <= 2.50v)
... ... @@ -356,8 +356,8 @@
356 356  10(b): OK   (2.55v <= BAT <=2.65v)
357 357  
358 358  11(b): Good   (BAT >= 2.65v)
359 -)))|(% style="width:134px" %)(((
360 -[[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]]
280 +)))|(% style="width:136px" %)(((
281 +[[Built-in Humidity>>path:#SHT20_Humidity]]
361 361  
362 362  
363 363  )))
... ... @@ -364,8 +364,14 @@
364 364  
365 365  * **Status & Ext Byte**
366 366  
367 -[[image:image-20220523152434-16.png]]
288 +(% border="1" style="width:732px" %)
289 +|(% 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]**
290 +|(% 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" %)(((
291 +Ext:
368 368  
293 +0b(1001)
294 +)))
295 +
369 369  * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
370 370  * 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.
371 371  * 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)
... ... @@ -374,17 +374,12 @@
374 374  
375 375  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:
376 376  
377 -(((
378 378  **Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
379 -)))
380 380  
381 -(((
382 382  **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.
383 -)))
384 384  
385 -(((
308 +
386 386  Add Datacake:
387 -)))
388 388  
389 389  [[image:image-20220523000825-7.png||height="262" width="583"]]
390 390  
... ... @@ -393,236 +393,123 @@
393 393  
394 394  [[image:image-20220523000825-8.png||height="453" width="406"]]
395 395  
318 +
396 396  In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
397 397  
398 398  [[image:image-20220523000825-9.png||height="366" width="392"]]
399 399  
400 -[[image:image-20220523000825-10.png||height="413" width="728"]]
401 401  
402 -== 2.6 Datalog Feature ==
403 403  
404 -Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LHT65N will store the reading for future retrieving purposes. There are two ways for IoT servers to get datalog from LHT65N.
325 +[[image:image-20220523000825-10.png||height="432" width="762"]]
405 405  
406 -=== 2.6.1 Ways to get datalog via LoRaWAN ===
407 407  
408 -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.
328 +== 2.6 Datalog Feature ==
409 409  
410 -=== 2.6.2 Unix TimeStamp ===
330 +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.
411 411  
332 +=== 2.6.1 Unix TimeStamp ===
333 +
412 412  LHT65N uses Unix TimeStamp format based on
413 413  
414 414  [[image:image-20220523001219-11.png||height="97" width="627"]]
415 415  
416 416  
417 -(((
418 418  User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
419 -)))
420 420  
421 -(((
422 422  Below is the converter example
423 -)))
424 424  
425 -[[image:image-20220523001219-12.png||height="298" width="720"]]
343 +[[image:image-20220523001219-12.png||height="302" width="730"]]
426 426  
427 427  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
428 428  
429 -=== 2.6.3 Set Device Time ===
430 430  
431 -(((
348 +=== 2.6.2 Set Device Time ===
349 +
432 432  There are two ways to set device’s time:
433 -)))
434 434  
435 -(((
436 436  **~1. Through LoRaWAN MAC Command (Default settings)**
437 -)))
438 438  
439 -(((
440 440  User need to set SYNCMOD=1 to enable sync time via MAC command.
441 -)))
442 442  
443 -(((
444 444  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).
445 -)))
446 446  
447 -(((
448 448  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.
449 -)))
450 450  
451 -(((
452 -
453 -)))
454 454  
455 -(((
456 456  **2. Manually Set Time**
457 -)))
458 458  
459 -(((
460 460  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
461 -)))
462 462  
463 -=== 2.6.4 Poll sensor value ===
464 464  
366 +=== 2.6.3 Poll sensor value ===
367 +
465 465  User can poll sensor value based on timestamps from the server. Below is the downlink command.
466 466  
467 -[[image:image-20220523152302-15.png]]
468 468  
469 -(((
371 +(% border="1" style="width:454px" %)
372 +|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
373 +|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
374 +
470 470  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.
471 -)))
472 472  
473 -(((
474 -For example, downlink command (% style="display:none" %) (%%)**31 5FC5F350 5FC6 0160 05**
475 -)))
476 476  
477 -(((
378 +For example, downlink command 31 5FC5F350 5FC6 0160 05
379 +
478 478  Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
479 -)))
480 480  
481 -(((
482 482  Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
483 -)))
484 484  
485 485  
486 -=== 2.6.5 Datalog Uplink payload ===
385 +=== 2.6.4 Datalog Uplink payload ===
487 487  
488 488  The Datalog poll reply uplink will use below payload format.
489 489  
490 -(((
491 -**Retrieval data payload**
492 -)))
493 493  
494 -(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
495 -|(% style="width:93px" %)(((
496 -(((
497 -**Size(bytes)**
498 -)))
499 -)))|(% style="width:71px" %)(((
500 -(((
501 -**2**
502 -)))
503 -)))|(% style="width:102px" %)(((
504 -(((
505 -**2**
506 -)))
507 -)))|(% style="width:86px" %)(((
508 -(((
509 -**2**
510 -)))
511 -)))|(% style="width:86px" %)(((
512 -(((
513 -**1**
514 -)))
515 -)))|(% style="width:48px" %)(((
516 -(((
517 -**4**
518 -)))
519 -)))
520 -|(% style="width:93px" %)(((
521 -(((
522 -**Value**
523 -)))
524 -)))|(% style="width:71px" %)(((
525 -(((
526 -[[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]]
527 -)))
528 -)))|(% style="width:102px" %)(((
529 -(((
530 -(((
531 -[[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]]
532 -)))
533 -)))
390 +Retrieval data payload
534 534  
535 -(((
536 -(((
537 -[[Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
538 -)))
539 -)))
540 -)))|(% style="width:86px" %)(((
541 -(((
542 -(((
543 -[[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]]
544 -)))
545 -)))
392 +(% border="1" %)
393 +|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
394 +|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
395 +[[Built-In>>path:#SHT20_Temperature]]
546 546  
547 -(((
548 -(((
549 -[[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]]
550 -)))
551 -)))
552 -)))|(% style="width:86px" %)(((
553 -(((
554 -[[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]]
555 -)))
556 -)))|(% style="width:48px" %)(((
557 -(((
558 -(((
559 -[[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]]
560 -)))
561 -)))
397 +[[Temperature>>path:#SHT20_Temperature]]
398 +)))|(((
399 +[[Built-in>>path:#SHT20_Humidity]]
562 562  
563 -(((
564 -(((
401 +[[Humidity>>path:#SHT20_Humidity]]
402 +)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
403 +[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
404 +
565 565  
566 566  )))
567 -)))
568 -)))
569 569  
570 -**Poll message flag & Ext**
408 +Poll message flag & Ext
571 571  
572 -[[image:image-20220523152208-14.png]]
573 573  
574 -(((
575 -(((
576 -Poll Message Flag: 1: This message is a poll message reply.
577 -)))
578 -)))
411 +(% border="1" %)
412 +|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
413 +|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
414 +Ext:
579 579  
580 -* (((
581 -(((
582 -Poll Message Flag is set to 1.
416 +0b(1001)
583 583  )))
584 -)))
585 -* (((
586 -(((
587 -Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
588 -)))
589 -)))
590 590  
591 -(((
592 -(((
419 +Poll Message Flag: 1: This message is a poll message reply.
420 +
421 +* Poll Message Flag is set to 1.
422 +* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
423 +
593 593  For example, in US915 band, the max payload for different DR is:
594 -)))
595 -)))
596 596  
597 -(((
598 -(((
599 -a) DR0: max is 11 bytes so one entry of data
600 -)))
601 -)))
426 +a)      DR0: max is 11 bytes so one entry of data
602 602  
603 -(((
604 -(((
605 -b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
606 -)))
607 -)))
428 +b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
608 608  
609 -(((
610 -(((
611 -c) DR2: total payload includes 11 entries of data
612 -)))
613 -)))
430 +c)      DR2: total payload includes 11 entries of data
614 614  
615 -(((
616 -(((
617 -d) DR3: total payload includes 22 entries of data.
618 -)))
619 -)))
432 +d)      DR3: total payload includes 22 entries of data.
620 620  
621 -(((
622 -(((
623 623  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
624 -)))
625 -)))
626 626  
627 627  
628 628  **Example:**
... ... @@ -629,27 +629,35 @@
629 629  
630 630  If LHT65N has below data inside Flash:
631 631  
632 -[[image:image-20220523144455-1.png||height="335" width="735"]]
441 +Flash Addr   |Unix Time | Ext | BAT voltage|  Value                  
633 633  
634 -(((
635 -If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
636 -)))
443 +80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
637 637  
638 -(((
445 +80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
446 +
447 +8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
448 +
449 +8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
450 +
451 +8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
452 +
453 +8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
454 +
455 +8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
456 +
457 +8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
458 +
459 +
460 +If user sends below downlink command:
461 +
462 +3160065F9760066DA705
463 +
639 639   Where : Start time: 60065F97 = time 21/1/19 04:27:03
640 -)))
641 641  
642 -(((
643 643   Stop time 60066DA7= time 21/1/19 05:27:03
644 -)))
645 645  
646 -(((
647 -
648 -)))
649 649  
650 -(((
651 651  LHT65N will uplink this payload.
652 -)))
653 653  
654 654  [[image:image-20220523001219-13.png||height="421" width="727"]]
655 655  
... ... @@ -669,58 +669,35 @@
669 669  
670 670  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
671 671  
489 +
672 672  == 2.7 Alarm Mode ==
673 673  
674 674  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.
675 675  
676 -(((
677 -(% 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.
678 -)))
679 679  
680 -(((
681 -**AT Commands for Alarm mode:**
682 -)))
495 +Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
683 683  
684 -(% class="box infomessage" %)
685 -(((
686 -(((
497 +
498 +AT Commands for Alarm mode:
499 +
687 687  **AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
688 -)))
689 -)))
690 690  
691 -(% class="box infomessage" %)
692 -(((
693 -(((
694 694  **AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
695 -)))
696 -)))
697 697  
504 +
505 +
698 698  == 2.8 LED Indicator ==
699 699  
700 -(((
701 701  The LHT65N has a triple color LED which for easy shows different stage.
702 -)))
703 703  
704 -(((
705 705  While pressing ACT button, the LED will work as per LED status with ACT button.
706 -)))
707 707  
708 -(((
709 709  In a normal working state:
710 -)))
711 711  
712 -* (((
713 -For each uplink, the BLUE LED or RED LED will blink once.
714 -)))
715 -* (((
716 -BLUE LED when an external sensor is connected
717 -)))
718 -* (((
719 -RED LED when an external sensor is not connected
720 -)))
721 -* (((
722 -For each success downlink, the PURPLE LED will blink once
723 -)))
514 +* For each uplink, the BLUE LED or RED LED will blink once.
515 +* BLUE LED when an external sensor is connected
516 +* RED LED when an external sensor is not connected
517 +* For each success downlink, the PURPLE LED will blink once
724 724  
725 725  ----
726 726  
... ... @@ -746,55 +746,29 @@
746 746  
747 747  = 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
748 748  
749 -(((
750 750  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
751 -)))
752 752  
753 -* (((
754 -AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
755 -)))
756 -* (((
757 -LoRaWAN Downlink instruction for different platforms:
758 -)))
545 +* AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
546 +* LoRaWAN Downlink instruction for different platforms:
759 759  
760 -(((
761 761  [[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]]
762 -)))
763 763  
764 -(((
765 765  There are two kinds of commands to configure LHT65N, they are:
766 -)))
767 767  
768 -(((
769 -(% style="color:#4f81bd" %)* **General Commands**.
770 -)))
552 +* **General Commands**.
771 771  
772 -(((
773 773  These commands are to configure:
774 -)))
775 775  
776 -* (((
777 -General system settings like: uplink interval.
778 -)))
779 -* (((
780 -LoRaWAN protocol & radio-related commands.
781 -)))
556 +* General system settings like: uplink interval.
557 +* LoRaWAN protocol & radio-related commands.
782 782  
783 -(((
784 784  They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
785 -)))
786 786  
787 -(((
788 788  [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
789 -)))
790 790  
791 -(((
792 -(% style="color:#4f81bd" %)* **Commands special design for LHT65N**
793 -)))
563 +* **Commands special design for LHT65N**
794 794  
795 -(((
796 796  These commands are only valid for LHT65N, as below:
797 -)))
798 798  
799 799  == 4.1 Set Transmit Interval Time ==
800 800  
... ... @@ -802,26 +802,29 @@
802 802  
803 803  **AT Command: AT+TDC**
804 804  
805 -[[image:image-20220523150701-2.png]]
573 +(% border="1" %)
574 +|**Command Example**|**Function**|**Response**
575 +|AT+TDC?|Show current transmit Interval|(((
576 +30000
806 806  
807 -(((
808 -**Downlink Command: 0x01**
578 +OK
579 +
580 +the interval is 30000ms = 30s
809 809  )))
582 +|AT+TDC=60000|Set Transmit Interval|(((
583 +OK
810 810  
811 -(((
812 -Format: Command Code (0x01) followed by 3 bytes time value.
585 +Set transmit interval to 60000ms = 60 seconds
813 813  )))
814 814  
815 -(((
588 +**Downlink Command: 0x01**
589 +
590 +Format: Command Code (0x01) followed by 3 bytes time value.
591 +
816 816  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
817 -)))
818 818  
819 -* (((
820 -**Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
821 -)))
822 -* (((
823 -**Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
824 -)))
594 +* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
595 +* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
825 825  
826 826  == 4.2 Set External Sensor Mode ==
827 827  
... ... @@ -829,29 +829,27 @@
829 829  
830 830  **AT Command: AT+EXT**
831 831  
832 -[[image:image-20220523150759-3.png]]
603 +(% border="1" %)
604 +|**Command Example**|**Function**|**Response**
605 +|AT+EXT?|Get current external sensor mode|(((
606 +1
833 833  
834 -(((
835 -**Downlink Command: 0xA2**
608 +OK
609 +
610 +External Sensor mode =1
836 836  )))
612 +|AT+EXT=1|(% colspan="2" %)Set external sensor mode to 1
613 +|AT+EXT=9|(% colspan="2" %)Set to external DS18B20 with timestamp
837 837  
838 -(((
615 +**Downlink Command: 0xA2**
616 +
839 839  Total bytes: 2 ~~ 5 bytes
840 -)))
841 841  
842 -(((
843 -**Example:**
844 -)))
619 +Example:
845 845  
846 -* (((
847 -0xA201: Set external sensor type to E1
848 -)))
849 -* (((
850 -0xA209: Same as AT+EXT=9
851 -)))
852 -* (((
853 -0xA20702003c,Same as AT+SETCNT=60
854 -)))
621 +* 0xA201: Set external sensor type to E1
622 +* 0xA209: Same as AT+EXT=9
623 +* 0xA20702003c,Same as AT+SETCNT=60
855 855  
856 856  == 4.3 Enable/Disable uplink Temperature probe ID ==
857 857  
... ... @@ -862,14 +862,17 @@
862 862  
863 863  PID is default set to disable (0)
864 864  
634 +
865 865  **AT Command:**
866 866  
867 -[[image:image-20220523150928-4.png]]
637 +(% border="1" %)
638 +|**Command Example**|**Function**|**Response**
639 +|AT+PID=1|Enable PID uplink|OK
868 868  
869 869  **Downlink Command:**
870 870  
871 -* 0xA800  **~-~->** AT+PID=0
872 -* 0xA801     **~-~->** AT+PID=1
643 +* 0xA800     à AT+PID=0
644 +* 0xA801     à AT+PID=1
873 873  
874 874  == 4.4 Set Password ==
875 875  
... ... @@ -877,15 +877,19 @@
877 877  
878 878  **AT Command: AT+PWORD**
879 879  
880 -[[image:image-20220523151052-5.png]]
652 +(% border="1" %)
653 +|**Command Example**|**Function**|**Response**
654 +|AT+PWORD=?|Show password|(((
655 +123456
881 881  
882 -(((
883 -**Downlink Command:**
657 +
658 +OK
884 884  )))
660 +|AT+PWORD=999999|Set password|OK
885 885  
886 -(((
662 +**Downlink Command:**
663 +
887 887  No downlink command for this feature.
888 -)))
889 889  
890 890  == 4.5 Quit AT Command ==
891 891  
... ... @@ -893,12 +893,15 @@
893 893  
894 894  **AT Command: AT+DISAT**
895 895  
896 -[[image:image-20220523151132-6.png]]
672 +(% border="1" %)
673 +|**Command Example**|**Function**|**Response**
674 +|AT+DISAT|Quit AT Commands mode|OK
897 897  
898 898  **Downlink Command:**
899 899  
900 900  No downlink command for this feature.
901 901  
680 +
902 902  == 4.6 Set to sleep mode ==
903 903  
904 904  Feature: Set device to sleep mode
... ... @@ -905,8 +905,15 @@
905 905  
906 906  **AT Command: AT+SLEEP**
907 907  
908 -[[image:image-20220523151218-7.png]]
687 +(% border="1" %)
688 +| | |
689 +|**Command Example**|**Function**|**Response**
690 +|AT+SLEEP|Set to sleep mode|(((
691 +Clear all stored sensor data…
909 909  
693 +OK
694 +)))
695 +
910 910  **Downlink Command:**
911 911  
912 912  * There is no downlink command to set to Sleep mode.
... ... @@ -917,8 +917,14 @@
917 917  
918 918  **AT Command:**
919 919  
920 -[[image:image-20220523151253-8.png]]
706 +(% border="1" %)
707 +|**Command Example**|**Function**
708 +|AT+TIMESTAMP=1611104352|(((
709 +OK
921 921  
711 +Set System time to 2021-01-20 00:59:12
712 +)))
713 +
922 922  **Downlink Command:**
923 923  
924 924  0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
... ... @@ -925,19 +925,15 @@
925 925  
926 926  == 4.8 Set Time Sync Mode ==
927 927  
928 -(((
929 929  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
930 -)))
931 931  
932 -(((
933 933  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.
934 -)))
935 935  
936 -(((
724 +
937 937  **AT Command:**
938 -)))
939 939  
940 -[[image:image-20220523151336-9.png]]
727 +|**Command Example**|**Function**
728 +|AT+SYNCMOD=1|Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
941 941  
942 942  **Downlink Command:**
943 943  
... ... @@ -951,7 +951,9 @@
951 951  
952 952  **AT Command:**
953 953  
954 -[[image:image-20220523151411-10.png]]
742 +(% border="1" %)
743 +|**Command Example**|**Function**
744 +|AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
955 955  
956 956  **Downlink Command:**
957 957  
... ... @@ -963,8 +963,51 @@
963 963  
964 964  **AT Command: AT+PDTA**
965 965  
966 -[[image:image-20220523151450-11.png]]
756 +(% border="1" %)
757 +|**Command Example**|**Response**
758 +|(((
759 +AT+PDTA=1,3
967 967  
761 +
762 +
763 +Print page 1 to 3
764 +)))|(((
765 +8019500 19/6/26 16:48 1 2992 sht_temp=28.21 sht_hum=71.5 ds_temp=27.31
766 +
767 +8019510 19/6/26 16:53 1 2994 sht_temp=27.64 sht_hum=69.3 ds_temp=26.93
768 +
769 +8019520 19/6/26 16:58 1 2996 sht_temp=28.39 sht_hum=72.0 ds_temp=27.06
770 +
771 +8019530 19/6/26 17:03 1 2996 sht_temp=27.97 sht_hum=70.4 ds_temp=27.12
772 +
773 +8019540 19/6/26 17:08 1 2996 sht_temp=27.80 sht_hum=72.9 ds_temp=27.06
774 +
775 +8019550 19/6/26 17:13 1 2998 sht_temp=27.30 sht_hum=72.4 ds_temp=26.68
776 +
777 +8019560 19/6/26 17:22 1 2992 sht_temp=26.27 sht_hum=62.3 ds_temp=26.56
778 +
779 +8019570
780 +
781 +8019580
782 +
783 +8019590
784 +
785 +80195A0
786 +
787 +80195B0
788 +
789 +80195C0
790 +
791 +80195D0
792 +
793 +80195E0
794 +
795 +80195F0
796 +
797 +
798 +OK
799 +)))
800 +
968 968  **Downlink Command:**
969 969  
970 970  No downlink commands for feature
... ... @@ -975,8 +975,32 @@
975 975  
976 976  **AT Command: AT+PLDTA**
977 977  
978 -[[image:image-20220523151524-12.png]]
811 +(% border="1" %)
812 +|**Command Example**|**Response**
813 +|(((
814 +AT+PLDTA=5
979 979  
816 +
817 +
818 +Print last 5 entries
819 +)))|(((
820 +Stop Tx and RTP events when read sensor data
821 +
822 +1 19/6/26 13:59 1 3005 sht_temp=27.09 sht_hum=79.5 ds_temp=26.75
823 +
824 +2 19/6/26 14:04 1 3007 sht_temp=26.65 sht_hum=74.8 ds_temp=26.43
825 +
826 +3 19/6/26 14:09 1 3007 sht_temp=26.91 sht_hum=77.9 ds_temp=26.56
827 +
828 +4 19/6/26 14:15 1 3007 sht_temp=26.93 sht_hum=76.7 ds_temp=26.75
829 +
830 +5 19/6/26 14:20 1 3007 sht_temp=26.78 sht_hum=76.6 ds_temp=26.43
831 +
832 +Start Tx and RTP events
833 +
834 +OK
835 +)))
836 +
980 980  **Downlink Command:**
981 981  
982 982  No downlink commands for feature
... ... @@ -987,8 +987,14 @@
987 987  
988 988  **AT Command: AT+CLRDTA**
989 989  
990 -[[image:image-20220523151556-13.png]]
847 +(% border="1" %)
848 +|**Command Example**|**Function**|**Response**
849 +|AT+CLRDTA|Clear date record|(((
850 +Clear all stored sensor data…
991 991  
852 +OK
853 +)))
854 +
992 992  **Downlink Command: 0xA3**
993 993  
994 994  * Example: 0xA301 ~/~/Same as AT+CLRDTA
... ... @@ -999,15 +999,11 @@
999 999  
1000 1000  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.
1001 1001  
1002 -(((
1003 1003  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1004 1004  [[image:image-20220515075034-1.png||height="208" width="644"]]
1005 -)))
1006 1006  
1007 -(((
1008 1008  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1009 1009  
1010 -)))
1011 1011  
1012 1012  == 5.2 Replace Battery ==
1013 1013  
... ... @@ -1017,97 +1017,47 @@
1017 1017  
1018 1018  == 5.3 Battery Life Analyze ==
1019 1019  
1020 -(((
1021 1021  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:
1022 1022  https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
1023 -)))
1024 1024  
1025 1025  = 6. Order Info =
1026 1026  
1027 -(((
1028 -Part Number: (% style="color:#4f81bd" %)** LHT65N-XX-YY**
1029 -)))
884 +Part Number: (% class="mark" %)**LHT65N-XX**
1030 1030  
1031 -(((
1032 -(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
1033 -)))
886 +**XX**: The default frequency band
1034 1034  
1035 -* (((
1036 -(% style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
1037 -)))
1038 -* (((
1039 -(% style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
1040 -)))
1041 -* (((
1042 -(% style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
1043 -)))
1044 -* (((
1045 -(% style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
1046 -)))
1047 -* (((
1048 -(% style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
1049 -)))
1050 -* (((
1051 -(% style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
1052 -)))
1053 -* (((
1054 -(% style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
1055 -)))
1056 -* (((
1057 -(% style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
1058 -)))
888 +* **AS923**: LoRaWAN AS923 band
889 +* **AU915**: LoRaWAN AU915 band
890 +* **EU433**: LoRaWAN EU433 band
891 +* **EU868**: LoRaWAN EU868 band
892 +* **KR920**: LoRaWAN KR920 band
893 +* **US915**: LoRaWAN US915 band
894 +* **IN865**: LoRaWAN IN865 band
895 +* **CN470**: LoRaWAN CN470 band
1059 1059  
1060 -(((
1061 -(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
1062 -)))
897 +**YY**: Sensor Accessories
1063 1063  
1064 -* (((
1065 -(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
1066 -)))
899 +* **E3**: External Temperature Probe
1067 1067  
1068 1068  = 7. Packing Info =
1069 1069  
1070 -(((
1071 1071  **Package Includes**:
1072 -)))
1073 1073  
1074 -* (((
1075 -LHT65N Temperature & Humidity Sensor x 1
1076 -)))
1077 -* (((
1078 -Program cable x 1
1079 -)))
1080 -* (((
1081 -Optional external sensor
1082 -)))
905 +* LHT65N Temperature & Humidity Sensor x 1
906 +* Program cable x 1
907 +* Optional external sensor
1083 1083  
1084 -(((
1085 1085  **Dimension and weight**:
1086 -)))
1087 1087  
1088 -* (((
1089 -Device Size:  13.5 x 7 x 3 cm
1090 -)))
1091 -* (((
1092 -Device Weight: 105g
1093 -)))
1094 -* (((
1095 -Package Size / pcs : 14.5 x 8 x 5 cm
1096 -)))
1097 -* (((
1098 -Weight / pcs : 170g
1099 -)))
911 +* Device Size:  13.5 x 7 x 3 cm
912 +* Device Weight: 105g
913 +* Package Size / pcs : 14.5 x 8 x 5 cm
914 +* Weight / pcs : 170g
1100 1100  
1101 1101  = 8. FCC Warning =
1102 1102  
1103 -(((
1104 1104  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1105 -)))
1106 1106  
1107 -(((
1108 1108  (1) This device may not cause harmful interference；
1109 -)))
1110 1110  
1111 -(((
1112 1112  (2) this device must accept any interference received, including interference that may cause undesired operation.
1113 -)))
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