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From version < 57.3 >
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Summary

Details

Page properties
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20220523115324-1.jpeg||height="500" width="500"]]
2 +[[image:image-20220523111447-1.jpeg||height="448" width="448"]]
3 3  
4 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 +{{toc/}}
6 +{{/box}}
4 4  
5 -**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
6 -
7 -
8 -
9 -**Table of Contents：**
10 -
11 11  {{toc/}}
12 12  
13 -
14 -
15 15  = 1.Introduction =
16 16  
17 17  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
18 18  
19 -(((
20 -The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% style="color:#4f81bd" %)**Temperature Sensor**(%%)**.**
21 -)))
22 22  
23 -(((
15 +The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a(% class="mark" %) **built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% class="mark" %)**Temperature Sensor**(%%)**.**
16 +
24 24  The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
25 -)))
26 26  
27 -(((
28 28  LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
29 -)))
30 30  
31 -(((
32 32  LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
33 -)))
34 34  
35 -(((
36 -LHT65N supports (% style="color:#4f81bd" %)**Datalog Feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
37 -)))
23 +LHT65N supports (% class="mark" %)Datalog Feature(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
38 38  
39 -(((
40 40  *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
41 -)))
42 42  
43 43  == 1.2 Features ==
44 44  
... ... @@ -56,69 +56,36 @@
56 56  
57 57  == 1.3 Specification ==
58 58  
59 -(((
60 60  **Built-in Temperature Sensor:**
61 -)))
62 62  
63 -* (((
64 -Resolution: 0.01 °C
65 -)))
66 -* (((
67 -Accuracy Tolerance : Typ ±0.3 °C
68 -)))
69 -* (((
70 -Long Term Drift: < 0.02 °C/yr
71 -)))
72 -* (((
73 -Operating Range: -40 ~~ 85 °C
74 -)))
45 +* Resolution: 0.01 °C
46 +* Accuracy Tolerance : Typ ±0.3 °C
47 +* Long Term Drift: < 0.02 °C/yr
48 +* Operating Range: -40 ~~ 85 °C
75 75  
76 -(((
77 77  **Built-in Humidity Sensor:**
78 -)))
79 79  
80 -* (((
81 -Resolution: 0.04 %RH
82 -)))
83 -* (((
84 -Accuracy Tolerance : Typ ±3 %RH
85 -)))
86 -* (((
87 -Long Term Drift: < 0.02 °C/yr
88 -)))
89 -* (((
90 -Operating Range: 0 ~~ 96 %RH
91 -)))
52 +* Resolution: 0.04 %RH
53 +* Accuracy Tolerance : Typ ±3 %RH
54 +* Long Term Drift: < 0.02 °C/yr
55 +* Operating Range: 0 ~~ 96 %RH
92 92  
93 -(((
94 94  **External Temperature Sensor:**
95 -)))
96 96  
97 -* (((
98 -Resolution: 0.0625 °C
99 -)))
100 -* (((
101 -±0.5°C accuracy from -10°C to +85°C
102 -)))
103 -* (((
104 -±2°C accuracy from -55°C to +125°C
105 -)))
106 -* (((
107 -Operating Range: -55 °C ~~ 125 °C
108 -)))
59 +* Resolution: 0.0625 °C
60 +* ±0.5°C accuracy from -10°C to +85°C
61 +* ±2°C accuracy from -55°C to +125°C
62 +* Operating Range: -55 °C ~~ 125 °C
109 109  
110 110  = 2. Connect LHT65N to IoT Server =
111 111  
112 112  == 2.1 How does LHT65N work? ==
113 113  
114 -(((
115 115  LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
116 -)))
117 117  
118 -(((
119 119  If LHT65N is under the coverage of this LoRaWAN network. LHT65N can join the LoRaWAN network automatically. After successfully joining, LHT65N will start to measure environment temperature and humidity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
120 -)))
121 121  
72 +
122 122  == 2.2 How to Activate LHT65N? ==
123 123  
124 124  The LHT65N has two working modes:
... ... @@ -126,9 +126,7 @@
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  
... ... @@ -183,29 +183,33 @@
183 183  
184 184  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.
185 185  
186 -[[image:image-20220522233300-8.png||height="219" width="722"]]
135 +[[image:image-20220522233300-8.png]]
187 187  
188 188  
189 189  == 2.4 Uplink Payload ==
190 190  
191 -The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
140 +The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
192 192  
193 -After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
142 +After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
194 194  
195 195  
196 -(% border="1" style="width:605px" %)
197 -|(% style="width:106px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:183px" %)**2**|(% style="width:155.172px" %)**2**|(% style="width:49px" %)**1**|(% style="width:92px" %)**4**
198 -|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[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]]|(% style="width:183px" %)(((
199 -[[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]]
200 -)))|(% style="width:155.172px" %)(((
201 -[[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]]
202 -)))|(% style="width:49px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:92px" %)[[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]]
145 +(% border="1" style="width:572px" %)
146 +|(% style="width:106px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:128px" %)**2**|(% style="width:103px" %)**2**|(% style="width:72px" %)**1**|(% style="width:89px" %)**4**
147 +|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
148 +[[Built-In>>path:#SHT20_Temperature]]
203 203  
150 +[[Temperature>>path:#SHT20_Temperature]]
151 +)))|(% style="width:103px" %)(((
152 +[[Built-in>>path:#SHT20_Humidity]]
153 +
154 +[[Humidity>>path:#SHT20_Humidity]]
155 +)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
156 +
204 204  * The First 6 bytes: has fix meanings for every LHT65N.
205 205  * The 7th byte (EXT #): defines the external sensor model.
206 206  * 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.)
207 207  
208 -=== 2.4.1 Decoder in TTN V3 ===
161 +=== Decoder in TTN V3 ===
209 209  
210 210  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.
211 211  
... ... @@ -216,7 +216,7 @@
216 216  [[image:image-20220522234118-10.png]]
217 217  
218 218  
219 -=== 2.4.2 BAT-Battery Info ===
172 +=== BAT-Battery Info ===
220 220  
221 221  These two bytes of BAT include the battery state and the actually voltage
222 222  
... ... @@ -241,7 +241,7 @@
241 241  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
242 242  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
243 243  
244 -=== 2.4.3 Built-in Temperature ===
197 +=== Built-in Temperature ===
245 245  
246 246  [[image:image-20220522235639-2.png]]
247 247  
... ... @@ -251,13 +251,13 @@
251 251  
252 252  * Temperature:  (0xF5C6-65536)/100=-26.18℃
253 253  
254 -=== 2.4.4 Built-in Humidity ===
207 +=== Built-in Humidity ===
255 255  
256 256  [[image:image-20220522235639-4.png]]
257 257  
258 258  * Humidity:    0x025C/10=60.4%
259 259  
260 -=== 2.4.5 Ext # ===
213 +=== Ext # ===
261 261  
262 262  Bytes for External Sensor:
263 263  
... ... @@ -266,16 +266,19 @@
266 266  |(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
267 267  |(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
268 268  
269 -=== 2.4.6 Ext value ===
222 +=== Ext value ===
270 270  
271 -==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
224 +==== Ext~=1, E3 Temperature Sensor ====
272 272  
273 273  [[image:image-20220522235639-5.png]]
274 274  
228 +
275 275  * DS18B20 temp=0x0ADD/100=27.81℃
276 276  
277 277  The last 2 bytes of data are meaningless
278 278  
233 +
234 +
279 279  [[image:image-20220522235639-6.png]]
280 280  
281 281  * External temperature= (0xF54F-65536)/100=-27.37℃
... ... @@ -282,15 +282,16 @@
282 282  
283 283  The last 2 bytes of data are meaningless
284 284  
241 +
285 285  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
286 286  
287 287  
288 -==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
245 +==== Ext~=9, E3 sensor with Unix Timestamp ====
289 289  
290 290  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:
291 291  
292 292  
293 -(% border="1" style="width:697px" %)
250 +(% style="width:697px" %)
294 294  |(% 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**
295 295  |(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
296 296  [[Built-In>>path:#SHT20_Temperature]]
... ... @@ -308,9 +308,9 @@
308 308  [[Time Stamp>>path:#Unix_Time_Stamp]]
309 309  )))
310 310  
311 -* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
268 +* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
312 312  
313 -(% border="1" style="width:587px" %)
270 +(% style="width:587px" %)
314 314  |Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
315 315  |Value|(% style="width:280px" %)(((
316 316  BAT Status
... ... @@ -330,7 +330,7 @@
330 330  
331 331  * **Status & Ext Byte**
332 332  
333 -(% border="1" style="width:732px" %)
290 +(% style="width:732px" %)
334 334  |(% 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]**
335 335  |(% 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" %)(((
336 336  Ext:
... ... @@ -342,10 +342,11 @@
342 342  * 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.
343 343  * 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)
344 344  
345 -== 2.5 Show data on Datacake ==
302 +== Show data on Datacake ==
346 346  
347 347  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:
348 348  
306 +
349 349  **Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
350 350  
351 351  **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.
... ... @@ -370,11 +370,11 @@
370 370  [[image:image-20220523000825-10.png||height="432" width="762"]]
371 371  
372 372  
373 -== 2.6 Datalog Feature ==
331 +== Datalog Feature ==
374 374  
375 375  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.
376 376  
377 -=== 2.6.1 Unix TimeStamp ===
335 +=== Unix TimeStamp ===
378 378  
379 379  LHT65N uses Unix TimeStamp format based on
380 380  
... ... @@ -385,12 +385,12 @@
385 385  
386 386  Below is the converter example
387 387  
388 -[[image:image-20220523001219-12.png||height="302" width="730"]]
346 +[[image:image-20220523001219-12.png||height="353" width="853"]]
389 389  
390 390  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
391 391  
392 392  
393 -=== 2.6.2 Set Device Time ===
351 +=== Set Device Time ===
394 394  
395 395  There are two ways to set device’s time:
396 396  
... ... @@ -408,12 +408,12 @@
408 408  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
409 409  
410 410  
411 -=== 2.6.3 Poll sensor value ===
369 +=== Poll sensor value ===
412 412  
413 413  User can poll sensor value based on timestamps from the server. Below is the downlink command.
414 414  
415 415  
416 -(% border="1" style="width:454px" %)
374 +(% style="width:454px" %)
417 417  |(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
418 418  |(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
419 419  
... ... @@ -427,7 +427,7 @@
427 427  Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
428 428  
429 429  
430 -=== 2.6.4 Datalog Uplink payload ===
388 +=== Datalog Uplink payload ===
431 431  
432 432  The Datalog poll reply uplink will use below payload format.
433 433  
... ... @@ -434,7 +434,6 @@
434 434  
435 435  Retrieval data payload
436 436  
437 -(% border="1" %)
438 438  |**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
439 439  |**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
440 440  [[Built-In>>path:#SHT20_Temperature]]
... ... @@ -453,7 +453,6 @@
453 453  Poll message flag & Ext
454 454  
455 455  
456 -(% border="1" %)
457 457  |**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
458 458  |**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
459 459  Ext:
... ... @@ -513,7 +513,7 @@
513 513  
514 514  LHT65N will uplink this payload.
515 515  
516 -[[image:image-20220523001219-13.png||height="421" width="727"]]
472 +[[image:image-20220523001219-13.png]]
517 517  
518 518  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
519 519  
... ... @@ -532,7 +532,7 @@
532 532  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
533 533  
534 534  
535 -== 2.7 Alarm Mode ==
491 +== Alarm Mode ==
536 536  
537 537  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.
538 538  
... ... @@ -548,7 +548,7 @@
548 548  
549 549  
550 550  
551 -== 2.8 LED Indicator ==
507 +== LED Indicator ==
552 552  
553 553  The LHT65N has a triple color LED which for easy shows different stage.
554 554  
... ... @@ -563,14 +563,17 @@
563 563  
564 564  ----
565 565  
566 -== 2.9 Installation ==
522 +== Installation ==
567 567  
568 568  [[image:image-20220516231650-1.png||height="436" width="428"]]
569 569  
570 -= 3. Sensors & Accessories =
571 571  
572 -== 3.1 E3 Temperature Probe ==
573 573  
528 +
529 += Sensors & Accessories =
530 +
531 +== E3 Temperature Probe ==
532 +
574 574  [[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
575 575  
576 576  
... ... @@ -583,7 +583,7 @@
583 583  * -55°C to 125°C
584 584  * Working voltage 2.35v ~~ 5v
585 585  
586 -= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
545 += Configure LHT65N via AT Command or LoRaWAN Downlink =
587 587  
588 588  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
589 589  
... ... @@ -592,6 +592,7 @@
592 592  
593 593  [[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]]
594 594  
554 +
595 595  There are two kinds of commands to configure LHT65N, they are:
596 596  
597 597  * **General Commands**.
... ... @@ -605,17 +605,19 @@
605 605  
606 606  [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
607 607  
568 +
569 +
608 608  * **Commands special design for LHT65N**
609 609  
610 610  These commands are only valid for LHT65N, as below:
611 611  
612 -== 4.1 Set Transmit Interval Time ==
613 613  
575 +== Set Transmit Interval Time ==
576 +
614 614  Feature: Change LoRaWAN End Node Transmit Interval.
615 615  
616 616  **AT Command: AT+TDC**
617 617  
618 -(% border="1" %)
619 619  |**Command Example**|**Function**|**Response**
620 620  |AT+TDC?|Show current transmit Interval|(((
621 621  30000
... ... @@ -639,13 +639,12 @@
639 639  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
640 640  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
641 641  
642 -== 4.2 Set External Sensor Mode ==
604 +== Set External Sensor Mode ==
643 643  
644 644  Feature: Change External Sensor Mode.
645 645  
646 646  **AT Command: AT+EXT**
647 647  
648 -(% border="1" %)
649 649  |**Command Example**|**Function**|**Response**
650 650  |AT+EXT?|Get current external sensor mode|(((
651 651  1
... ... @@ -667,7 +667,7 @@
667 667  * 0xA209: Same as AT+EXT=9
668 668  * 0xA20702003c,Same as AT+SETCNT=60
669 669  
670 -== 4.3 Enable/Disable uplink Temperature probe ID ==
631 +== Enable/Disable uplink Temperature probe ID ==
671 671  
672 672  Feature: If PID is enabled, device will send the temperature probe ID on:
673 673  
... ... @@ -679,7 +679,6 @@
679 679  
680 680  **AT Command:**
681 681  
682 -(% border="1" %)
683 683  |**Command Example**|**Function**|**Response**
684 684  |AT+PID=1|Enable PID uplink|OK
685 685  
... ... @@ -688,13 +688,12 @@
688 688  * 0xA800     à AT+PID=0
689 689  * 0xA801     à AT+PID=1
690 690  
691 -== 4.4 Set Password ==
651 +== Set Password ==
692 692  
693 693  Feature: Set device password, max 9 digits
694 694  
695 695  **AT Command: AT+PWORD**
696 696  
697 -(% border="1" %)
698 698  |**Command Example**|**Function**|**Response**
699 699  |AT+PWORD=?|Show password|(((
700 700  123456
... ... @@ -708,13 +708,13 @@
708 708  
709 709  No downlink command for this feature.
710 710  
711 -== 4.5 Quit AT Command ==
712 712  
671 +== Quit AT Command ==
672 +
713 713  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
714 714  
715 715  **AT Command: AT+DISAT**
716 716  
717 -(% border="1" %)
718 718  |**Command Example**|**Function**|**Response**
719 719  |AT+DISAT|Quit AT Commands mode|OK
720 720  
... ... @@ -723,13 +723,12 @@
723 723  No downlink command for this feature.
724 724  
725 725  
726 -== 4.6 Set to sleep mode ==
685 +== Set to sleep mode ==
727 727  
728 728  Feature: Set device to sleep mode
729 729  
730 730  **AT Command: AT+SLEEP**
731 731  
732 -(% border="1" %)
733 733  | | |
734 734  |**Command Example**|**Function**|**Response**
735 735  |AT+SLEEP|Set to sleep mode|(((
... ... @@ -742,13 +742,12 @@
742 742  
743 743  * There is no downlink command to set to Sleep mode.
744 744  
745 -== 4.7 Set system time ==
703 +== Set system time ==
746 746  
747 747  Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
748 748  
749 749  **AT Command:**
750 750  
751 -(% border="1" %)
752 752  |**Command Example**|**Function**
753 753  |AT+TIMESTAMP=1611104352|(((
754 754  OK
... ... @@ -760,10 +760,12 @@
760 760  
761 761  0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
762 762  
763 -== 4.8 Set Time Sync Mode ==
764 764  
721 +== Set Time Sync Mode ==
722 +
765 765  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
766 766  
725 +
767 767  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.
768 768  
769 769  
... ... @@ -778,13 +778,13 @@
778 778  
779 779  0x28 00 ~/~/ Same As AT+SYNCMOD=0
780 780  
781 -== 4.9 Set Time Sync Interval ==
782 782  
741 +== Set Time Sync Interval ==
742 +
783 783  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
784 784  
785 785  **AT Command:**
786 786  
787 -(% border="1" %)
788 788  |**Command Example**|**Function**
789 789  |AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
790 790  
... ... @@ -792,13 +792,13 @@
792 792  
793 793  0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
794 794  
795 -== 4.10 Print data entries base on page. ==
796 796  
755 +== Print data entries base on page. ==
756 +
797 797  Feature: Print the sector data from start page to stop page (max is 416 pages).
798 798  
799 799  **AT Command: AT+PDTA**
800 800  
801 -(% border="1" %)
802 802  |**Command Example**|**Response**
803 803  |(((
804 804  AT+PDTA=1,3
... ... @@ -847,13 +847,14 @@
847 847  
848 848  No downlink commands for feature
849 849  
850 -== 4.11 Print last few data entries. ==
851 851  
810 +
811 +== Print last few data entries. ==
812 +
852 852  Feature: Print the last few data entries
853 853  
854 854  **AT Command: AT+PLDTA**
855 855  
856 -(% border="1" %)
857 857  |**Command Example**|**Response**
858 858  |(((
859 859  AT+PLDTA=5
... ... @@ -883,13 +883,14 @@
883 883  
884 884  No downlink commands for feature
885 885  
886 -== 4.12 Clear Flash Record ==
887 887  
847 +
848 +== Clear Flash Record ==
849 +
888 888  Feature: Clear flash storage for data log feature.
889 889  
890 890  **AT Command: AT+CLRDTA**
891 891  
892 -(% border="1" %)
893 893  |**Command Example**|**Function**|**Response**
894 894  |AT+CLRDTA|Clear date record|(((
895 895  Clear all stored sensor data…
... ... @@ -901,31 +901,35 @@
901 901  
902 902  * Example: 0xA301 ~/~/Same as AT+CLRDTA
903 903  
904 -= 5. Battery & How to replace =
905 905  
906 -== 5.1 Battery Type ==
866 += Battery & How to replace =
907 907  
868 +== Battery Type ==
869 +
908 908  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.
909 909  
910 910  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
911 911  [[image:image-20220515075034-1.png||height="208" width="644"]]
912 912  
875 +
913 913  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
914 914  
915 915  
916 -== 5.2 Replace Battery ==
879 +== Replace Battery ==
917 917  
918 918  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.
919 919  
920 920  [[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
921 921  
922 -== 5.3 Battery Life Analyze ==
923 923  
886 +== Battery Life Analyze ==
887 +
924 924  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:
925 925  https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
926 926  
927 -= 6. Order Info =
928 928  
892 += Order Info =
893 +
929 929  Part Number: (% class="mark" %)**LHT65N-XX**
930 930  
931 931  **XX**: The default frequency band
... ... @@ -943,7 +943,7 @@
943 943  
944 944  * **E3**: External Temperature Probe
945 945  
946 -= 7. Packing Info =
911 += Packing Info =
947 947  
948 948  **Package Includes**:
949 949  
... ... @@ -958,10 +958,10 @@
958 958  * Package Size / pcs : 14.5 x 8 x 5 cm
959 959  * Weight / pcs : 170g
960 960  
961 -= 8. FCC Warning =
926 += FCC Warning =
962 962  
963 963  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
964 964  
965 -(1) This device may not cause harmful interference；
930 +(1) This device may not cause harmful interference, and
966 966  
967 -(2) this device must accept any interference received, including interference that may cause undesired operation.
932 +(2) this device must accept any interference received, including interference that may cause undesired operation
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