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Last modified by Xiaoling on 2023/07/18 10:12
From version 181.1
edited by Bei Jinggeng
on 2022/06/28 15:07
Change comment: Uploaded new attachment "image-20220628150714-4.png", version {1}
To version 210.3
edited by Xiaoling
on 2022/10/26 15:43
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20220613162008-1.png||_mstalt="428142" height="579" width="379"]]
2 +[[image:image-20220613162008-1.png||_mstalt="428142" height="510" width="334"]]
3 3  
4 4  
5 5  
... ... @@ -16,6 +16,7 @@
16 16  
17 17  = 1. Introduction =
18 18  
19 +
19 19  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
20 20  
21 21  
... ... @@ -44,8 +44,10 @@
44 44  )))
45 45  
46 46  
48 +
47 47  == 1.2 Features ==
48 48  
51 +
49 49  * Wall mountable
50 50  * LoRaWAN v1.0.3 Class A protocol
51 51  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
... ... @@ -56,14 +56,13 @@
56 56  * Built-in Temperature & Humidity sensor
57 57  * Optional External Sensors
58 58  * Tri-color LED to indicate working status
59 -* Datalog feature
62 +* Datalog feature (Max 3328 records)
60 60  
61 61  
62 -
63 63  == 1.3 Specification ==
64 64  
65 65  
66 -**Built-in Temperature Sensor:**
68 +(% style="color:#037691" %)**Built-in Temperature Sensor:**
67 67  
68 68  * Resolution: 0.01 °C
69 69  * Accuracy Tolerance : Typ ±0.3 °C
... ... @@ -70,7 +70,7 @@
70 70  * Long Term Drift: < 0.02 °C/yr
71 71  * Operating Range: -40 ~~ 85 °C
72 72  
73 -**Built-in Humidity Sensor:**
75 +(% style="color:#037691" %)**Built-in Humidity Sensor:**
74 74  
75 75  * Resolution: 0.04 %RH
76 76  * Accuracy Tolerance : Typ ±3 %RH
... ... @@ -77,7 +77,7 @@
77 77  * Long Term Drift: < 0.02 °C/yr
78 78  * Operating Range: 0 ~~ 96 %RH
79 79  
80 -**External Temperature Sensor:**
82 +(% style="color:#037691" %)**External Temperature Sensor:**
81 81  
82 82  * Resolution: 0.0625 °C
83 83  * ±0.5°C accuracy from -10°C to +85°C
... ... @@ -85,11 +85,12 @@
85 85  * Operating Range: -55 °C ~~ 125 °C
86 86  
87 87  
88 -
89 89  = 2. Connect LHT65N to IoT Server =
90 90  
92 +
91 91  == 2.1 How does LHT65N work? ==
92 92  
95 +
93 93  (((
94 94  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.
95 95  )))
... ... @@ -99,8 +99,10 @@
99 99  )))
100 100  
101 101  
105 +
102 102  == 2.2 How to Activate LHT65N? ==
103 103  
108 +
104 104  (((
105 105  The LHT65N has two working modes:
106 106  )))
... ... @@ -125,9 +125,11 @@
125 125  
126 126  == 2.3 Example to join LoRaWAN network ==
127 127  
133 +
128 128  (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
129 129  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.
130 130  
137 +
131 131  (% _mstvisible="1" class="wikigeneratedid" %)
132 132  [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
133 133  
... ... @@ -140,6 +140,7 @@
140 140  
141 141  === 2.3.1 Step 1: Create Device n TTN ===
142 142  
150 +
143 143  (((
144 144  Create a device in TTN V3 with the OTAA keys from LHT65N.
145 145  )))
... ... @@ -164,9 +164,10 @@
164 164  [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
165 165  
166 166  
167 -Note: LHT65N use same payload as LHT65.
168 168  
176 +(% style="color:red" %)**Note: LHT65N use same payload as LHT65.**
169 169  
178 +
170 170  [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
171 171  
172 172  
... ... @@ -180,6 +180,7 @@
180 180  
181 181  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
182 182  
192 +
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  )))
... ... @@ -188,8 +188,8 @@
188 188  
189 189  
190 190  
201 +== 2.4 Uplink Payload   ( Fport~=2) ==
191 191  
192 -== 2.4 Uplink Payload ==
193 193  
194 194  (((
195 195  The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% _mstvisible="3" style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
... ... @@ -199,92 +199,71 @@
199 199  After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
200 200  )))
201 201  
202 -(% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:426px" %)
203 -(% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 97px;" %)(% _mstvisible="5" %)
212 +(% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:390px" %)
213 +|=(% style="width: 60px;" %)
204 204  (((
205 -(% _mstvisible="6" %)
206 -(% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
207 -)))|=(% _mstvisible="4" style="width: 39px;" %)(% _mstvisible="5" %)
215 +**Size(bytes)**
216 +)))|=(% style="width: 30px;" %)
208 208  (((
209 -(% _mstvisible="6" %)
210 -(% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2**
211 -)))|=(% _mstvisible="4" style="width: 100px;" %)(% _mstvisible="5" %)
218 +**2**
219 +)))|=(% style="width: 100px;" %)
212 212  (((
213 -(% _mstvisible="6" %)
214 -(% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2**
215 -)))|=(% _mstvisible="4" style="width: 77px;" %)(% _mstvisible="5" %)
221 +**2**
222 +)))|=(% style="width: 100px;" %)
216 216  (((
217 -(% _mstvisible="6" %)
218 -(% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2**
219 -)))|=(% _mstvisible="4" style="width: 47px;" %)(% _mstvisible="5" %)
224 +**2**
225 +)))|=(% style="width: 50px;" %)
220 220  (((
221 -(% _mstvisible="6" %)
222 -(% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1**
223 -)))|=(% _mstvisible="4" style="width: 51px;" %)(% _mstvisible="5" %)
227 +**1**
228 +)))|=(% style="width: 50px;" %)
224 224  (((
225 -(% _mstvisible="6" %)
226 -(% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4**
230 +**4**
227 227  )))
228 -(% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
232 +|(% style="width:97px" %)
229 229  (((
230 -(% _mstvisible="6" %)
231 -(% _msthash="1817484" _msttexthash="60203" _mstvisible="8" %)**Value**
232 -)))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %)
234 +**Value**
235 +)))|(% style="width:39px" %)
233 233  (((
234 -(% _mstvisible="6" %)
235 -[[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594" _mstvisible="7"]]
236 -)))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
237 +[[BAT>>||anchor="H2.4.2BAT-BatteryInfo" ]]
238 +)))|(% style="width:100px" %)
237 237  (((
238 -(% _mstvisible="6" %)
239 239  (((
240 -(% _mstvisible="7" %)
241 -[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769" _mstvisible="8"]]
241 +[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature"]]
242 242  )))
243 -)))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
243 +)))|(% style="width:77px" %)
244 244  (((
245 -(% _mstvisible="6" %)
246 246  (((
247 -(% _mstvisible="7" %)
248 -[[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872" _mstvisible="8"]]
246 +[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
249 249  )))
250 250  
251 -(% _mstvisible="6" %)
249 +)))|(% style="width:47px" %)
252 252  (((
253 -(% _mstvisible="7" %)
254 -[[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429" _mstvisible="8"]]
255 -)))
256 -)))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %)
251 +[[Ext>>||anchor="H2.4.5Ext23" ]] #
252 +)))|(% style="width:51px" %)
257 257  (((
258 -(% _mstvisible="6" %)
259 -[[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331" _mstvisible="7"]] #
260 -)))|(% _mstvisible="4" style="width:51px" %)(% _mstvisible="5" %)
261 -(((
262 -(% _mstvisible="6" %)
263 -[[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545" _mstvisible="7"]]
254 +[[Ext value>>||anchor="H2.4.6Extvalue"]]
264 264  )))
265 265  
266 266  * The First 6 bytes: has fix meanings for every LHT65N.
267 267  * The 7th byte (EXT #): defines the external sensor model.
268 -* The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^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.)
259 +* The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^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.)
269 269  
270 270  
271 271  === 2.4.1 Decoder in TTN V3 ===
272 272  
264 +
273 273  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.
274 274  
275 -Below is the position to put the decoder and LHT65N decoder can be download from here:
267 +Below is the position to put the decoder and LHT65N decoder can be download from here: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
276 276  
277 277  
278 -[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
279 -
280 -
281 281  [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
282 282  
283 283  
284 284  
285 -
286 286  === 2.4.2 BAT-Battery Info ===
287 287  
276 +
288 288  These two bytes of BAT include the battery state and the actually voltage
289 289  
290 290  [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
... ... @@ -301,6 +301,7 @@
301 301  
302 302  === 2.4.3 Built-in Temperature ===
303 303  
293 +
304 304  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
305 305  
306 306  * Temperature:  0x0ABB/100=27.47℃
... ... @@ -312,6 +312,7 @@
312 312  
313 313  === 2.4.4 Built-in Humidity ===
314 314  
305 +
315 315  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
316 316  
317 317  * Humidity:    0x025C/10=60.4%
... ... @@ -319,6 +319,7 @@
319 319  
320 320  === 2.4.5 Ext # ===
321 321  
313 +
322 322  Bytes for External Sensor:
323 323  
324 324  [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
... ... @@ -327,6 +327,7 @@
327 327  
328 328  === 2.4.6 Ext value ===
329 329  
322 +
330 330  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
331 331  
332 332  
... ... @@ -350,6 +350,7 @@
350 350  
351 351  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
352 352  
346 +
353 353  (((
354 354  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:
355 355  )))
... ... @@ -358,14 +358,12 @@
358 358  
359 359  )))
360 360  
361 -(% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
362 -(% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
355 +(% _mstvisible="1" border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:510px" %)
356 +|=(% style="width: 50px;" %)
357 +(((**Size(bytes)**
358 +)))|=(% _mstvisible="4" style="width: 71px;" %)
363 363  (((
364 364  (% _mstvisible="6" %)
365 -(% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
366 -)))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
367 -(((
368 -(% _mstvisible="6" %)
369 369  (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
370 370  )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
371 371  (((
... ... @@ -463,27 +463,184 @@
463 463  
464 464  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
465 465  
466 -[[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
458 +(% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:520px" %)
459 +|(% style="width:60px" %)**Bits**|(% style="width:90px" %)**7**|(% style="width:100px" %)**6**|(% style="width:90px" %)**5**|(% style="width:100px" %)**4**|(% style="width:60px" %)**[3:0]**
460 +|(% style="width:96px" %)**Status&Ext**|(% style="width:124px" %)None-ACK Flag|(% style="width:146px" %)Poll Message FLAG|(% style="width:109px" %)Sync time OK|(% style="width:143px" %)Unix Time Request|(% style="width:106px" %)Ext: 0b(1001)
467 467  
468 -* Poll Message Flag:  1: This message is a poll message reply, 0: means this is a normal uplink.
469 -* 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.
470 -* 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)
462 +* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
463 +* (% style="color:blue" %)**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.
464 +* (% style="color:blue" %)**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)
471 471  
472 472  
473 473  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
474 474  
469 +
475 475  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
476 476  
477 477  be used to power the external ADC sensor; user can control the power on time for this
478 478  
479 -sensor by setting:
474 +(% style="color:blue" %)**sensor by setting:**
480 480  
481 -AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
476 +**AT+EXT=6,timeout**  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms**
482 482  
478 +**For example:**
483 483  
480 +AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
484 484  
482 +
483 +Or use **downlink command A2** to set the same.
484 +
485 +The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
486 +
487 +When the measured output voltage of the sensor is not within the range of 0.1V and 1.1V, the output voltage terminal of the sensor shall be divided The example in the following figure is to reduce the output voltage of the sensor by three times If it is necessary to reduce more times, calculate according to the formula in the figure and connect the corresponding resistance in series.
488 +
489 +[[image:image-20220628150112-1.png||height="241" width="285"]]
490 +
491 +
492 +When ADC_IN1 pin is connected to GND or suspended, ADC value is 0
493 +
494 +[[image:image-20220628150714-4.png]]
495 +
496 +
497 +When the voltage collected by ADC_IN1 is less than the minimum range, the minimum range will be used as the output; Similarly, when the collected voltage is greater than the maximum range, the maximum range will be used as the output.
498 +
499 +
500 +1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
501 +
502 +[[image:image-20220628151005-5.png]]
503 +
504 +
505 +2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v
506 +
507 +[[image:image-20220628151056-6.png]]
508 +
509 +
510 +3) Within range
511 +
512 +[[image:image-20220628151143-7.png]]
513 +
514 +
515 +
516 +==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
517 +
518 +
519 +[[image:image-20220927095645-1.png||height="534" width="460"]]
520 +
521 +
522 +(% style="color:blue" %)**Ext=2,Temperature Sensor(TMP117)：**
523 +
524 +[[image:image-20220906102307-7.png]]
525 +
526 +
527 +(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
528 +
529 +The external cable NE2 can be use for MOD4 and MOD8
530 +
531 +
532 +
533 +==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
534 +
535 +
536 +(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
537 +
538 +
539 +(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
540 +
541 +(% style="color:#037691" %)**Case 1: Door Sensor.** (%%)3.3v Out for such sensor is just to detect Open/Close.
542 +
543 + In Open State, the power consumption is the same as if there is no probe
544 +
545 + In Close state, the power consumption will be 3uA higher than normal.
546 +
547 +[[image:image-20220906100852-1.png||height="205" width="377"]]
548 +
549 +
550 +Ext=4,Interrupt Sensor：
551 +
552 +(% border="1.5" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
553 +|(% style="width:117px" %)(((
554 +AT+EXT=4,1
555 +)))|(% style="width:371px" %)(((
556 +Sent uplink packet in both rising and falling interrupt
557 +)))
558 +|(% style="width:117px" %)(((
559 +AT+EXT=4,2
560 +)))|(% style="width:371px" %)(((
561 +Sent uplink packet only in falling interrupt
562 +)))
563 +|(% style="width:117px" %)(((
564 +AT+EXT=4,3
565 +)))|(% style="width:371px" %)(((
566 +Sent uplink packet only in rising interrupt
567 +)))
568 +
569 +Trigger by falling edge:
570 +
571 +[[image:image-20220906101145-2.png]]
572 +
573 +
574 +Trigger by raising edge：
575 +
576 +[[image:image-20220906101145-3.png]]
577 +
578 +
579 +
580 +
581 +==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
582 +
583 +
584 +(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
585 +
586 +
587 +(% style="color:blue" %)**Case 1**(%%):  Low power consumption Flow Sensor, such flow sensor has pulse output and the power consumption in uA level and can be powered by LHT65N.
588 +
589 +[[image:image-20220906101320-4.png||height="366" width="698"]]
590 +
591 +
592 +(% style="color:blue" %)**Case 2**(%%):  Normal Flow Sensor: Such flow sensor has higher power consumption and is not suitable to be powered by LHT65N. It is powered by external power and output <3.3v pulse
593 +
594 +[[image:image-20220906101320-5.png||height="353" width="696"]]
595 +
596 +
597 +Ext=8, Counting Sensor ( 4 bytes)：
598 +
599 +(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
600 +|(% style="width:138px" %)(((
601 +AT+EXT=8,0
602 +)))|(% style="width:240px" %)(((
603 +Count at falling interrupt
604 +)))
605 +|(% style="width:138px" %)(((
606 +AT+EXT=8,1
607 +)))|(% style="width:240px" %)(((
608 +Count at rising interrupt
609 +)))
610 +|(% style="width:138px" %)(((
611 +AT+SETCNT=60
612 +)))|(% style="width:240px" %)(((
613 +Sent current count to 60
614 +)))
615 +
616 +[[image:image-20220906101320-6.png]]
617 +
618 +
619 +(% style="color:blue" %)**A2 downlink Command：**
620 +
621 +A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
622 +
623 +A2 06 01 F4:  Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
624 +
625 +A2 04 02:  Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
626 +
627 +A2 08 01 00:  Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
628 +
629 +A2 08 02 00 00 00 3C:  Same as AT+ SETCNT=60  (AT+ SETCNT = 4th byte and 5th byte and 6th byte and 7th byte)
630 +
631 +
632 +
485 485  == 2.5 Show data on Datacake ==
486 486  
635 +
487 487  (((
488 488  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:
489 489  )))
... ... @@ -531,6 +531,7 @@
531 531  
532 532  == 2.6 Datalog Feature ==
533 533  
683 +
534 534  (((
535 535  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.
536 536  )))
... ... @@ -539,12 +539,25 @@
539 539  
540 540  === 2.6.1 Ways to get datalog via LoRaWAN ===
541 541  
692 +
542 542  There are two methods:
543 543  
544 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
545 -1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover.
695 +(% style="color:blue" %)**Method 1:** (%%)IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specified time range.
546 546  
547 547  
698 +(% style="color:blue" %)**Method 2: **(%%)Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
699 +
700 +(% style="color:red" %)**Note for method 2:**
701 +
702 +* a) LHT65N will do an ACK check for data records sending to make sure every data arrive server.
703 +* b) LHT65N will send data in **CONFIRMED Mode** when PNACKMD=1, but LHT65N won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if LHT65N gets a ACK, LHT65N will consider there is a network connection and resend all NONE-ACK Message.
704 +
705 +Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
706 +
707 +
708 +[[image:image-20220703111700-2.png||height="381" width="1119"]]
709 +
710 +
548 548  === 2.6.2 Unix TimeStamp ===
549 549  
550 550  
... ... @@ -567,12 +567,13 @@
567 567  
568 568  === 2.6.3 Set Device Time ===
569 569  
733 +
570 570  (((
571 -There are two ways to set device's time:
735 +(% style="color:blue" %)**There are two ways to set device's time:**
572 572  )))
573 573  
574 574  (((
575 -**~1. Through LoRaWAN MAC Command (Default settings)**
739 +**1.  Through LoRaWAN MAC Command (Default settings)**
576 576  )))
577 577  
578 578  (((
... ... @@ -584,7 +584,7 @@
584 584  )))
585 585  
586 586  (((
587 -(% style="color:red" %)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.
751 +(% style="color:red" %)**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.**
588 588  )))
589 589  
590 590  (((
... ... @@ -603,6 +603,7 @@
603 603  
604 604  === 2.6.4 Poll sensor value ===
605 605  
770 +
606 606  User can poll sensor value based on timestamps from the server. Below is the downlink command.
607 607  
608 608  [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
... ... @@ -620,6 +620,7 @@
620 620  
621 621  === 2.6.5 Datalog Uplink payload ===
622 622  
788 +
623 623  (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
624 624  The Datalog poll reply uplink will use below payload format.
625 625  
... ... @@ -626,6 +626,9 @@
626 626  (% _mstvisible="1" %)
627 627  (((
628 628  (% _mstvisible="2" %)
795 +
796 +
797 +(% _mstvisible="2" %)
629 629  (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
630 630  )))
631 631  
... ... @@ -757,15 +757,18 @@
757 757  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
758 758  
759 759  (% _mstvisible="1" %)
760 -[[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
761 -
762 -(% _mstvisible="1" %)
763 763  (((
764 764  (% _mstvisible="2" %)
765 765  (((
766 766  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
767 767  (((
768 -Poll Message Flag: 1: This message is a poll message reply.
934 +[[image:image-20221006192726-1.png||height="112" width="754"]]
935 +
936 +(% class="mark" %)**No ACK Message**(%%): 1: This message means this payload is fromn Uplink Message which doesn't get ACK from the server before ( for [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]] feature)
937 +
938 +(% class="mark" %)**Poll Message Flag**(%%): 1: This message is a poll message reply.
939 +
940 +
769 769  )))
770 770  )))
771 771  )))
... ... @@ -814,7 +814,7 @@
814 814  (((
815 815  (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
816 816  (((
817 -a) DR0: max is 11 bytes so one entry of data
989 +**a) DR0:** max is 11 bytes so one entry of data
818 818  )))
819 819  )))
820 820  )))
... ... @@ -825,7 +825,7 @@
825 825  (((
826 826  (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
827 827  (((
828 -b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
1000 +**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
829 829  )))
830 830  )))
831 831  )))
... ... @@ -836,7 +836,7 @@
836 836  (((
837 837  (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
838 838  (((
839 -c) DR2: total payload includes 11 entries of data
1011 +**c) DR2:** total payload includes 11 entries of data
840 840  )))
841 841  )))
842 842  )))
... ... @@ -847,7 +847,7 @@
847 847  (((
848 848  (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
849 849  (((
850 -d) DR3: total payload includes 22 entries of data.
1022 +**d) DR3: **total payload includes 22 entries of data.
851 851  )))
852 852  )))
853 853  )))
... ... @@ -858,7 +858,7 @@
858 858  (((
859 859  (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
860 860  (((
861 -If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1033 +If devise doesn't have any data in the polling time. Device will uplink 11 bytes of 0   
862 862  )))
863 863  )))
864 864  )))
... ... @@ -888,7 +888,7 @@
888 888  (% _mstvisible="1" %)
889 889  (((
890 890  (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
891 - Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1063 + Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
892 892  )))
893 893  
894 894  (% _mstvisible="1" %)
... ... @@ -906,6 +906,7 @@
906 906  (% _mstvisible="1" %)
907 907  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
908 908  
1081 +
909 909  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
910 910  (((
911 911  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
... ... @@ -950,22 +950,50 @@
950 950  
951 951  == 2.7 Alarm Mode ==
952 952  
1126 +
953 953  (((
954 954  when the device is in alarm mode, it checks the built-in sensor temperature for a short time. if the temperature exceeds the preconfigured range, it sends an uplink immediately.
955 955  )))
956 956  
957 957  (((
958 -(% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
1132 +(% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
1133 +
1134 +
1135 +
1136 +=== 2.7.1 ALARM MODE ( Since v1.3.1 firmware) ===
1137 +
1138 +
1139 +(((
1140 +(% class="box infomessage" %)
1141 +(((
1142 +**AT+WMOD=3,**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor)
1143 +
1144 +**AT+CITEMP=1**:  The interval between checking the alarm temperature. (In minutes)
1145 +
1146 +**AT+ARTEMP**:  Gets or sets the alarm range of the internal temperature sensor
1147 +
1148 +**AT+ARTEMP=？ **:  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1149 +
1150 +**AT+ARTEMP=45,105**:  Set the internal temperature sensor alarm range from 45 to 105.
1151 +
1152 +**AT+LEDALARM=1** :       Enable LED visual Alarm.
959 959  )))
1154 +)))
960 960  
1156 +
1157 +
1158 +)))
1159 +
961 961  (((
962 -**AT COMMAND FOR ALARM MODE:**
1161 +=== 2.7.2 ALARM MODE ( Before v1.3.1 firmware) ===
1162 +
1163 +
963 963  )))
964 964  
965 965  (% _mstvisible="1" class="box infomessage" %)
966 966  (((
967 967  (((
968 -**AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1169 +**AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor)
969 969  )))
970 970  
971 971  (((
... ... @@ -985,10 +985,25 @@
985 985  )))
986 986  )))
987 987  
1189 +(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
988 988  
1191 +Total bytes: 8 bytes
989 989  
1193 +**Example:**AA0100010001003C
1194 +
1195 +WMOD=01
1196 +
1197 +CITEMP=0001
1198 +
1199 +TEMPlow=0001
1200 +
1201 +TEMPhigh=003C
1202 +
1203 +
1204 +
990 990  == 2.8 LED Indicator ==
991 991  
1207 +
992 992  The LHT65 has a triple color LED which for easy showing different stage .
993 993  
994 994  While user press ACT button, the LED will work as per LED status with ACT button.
... ... @@ -1003,6 +1003,7 @@
1003 1003  
1004 1004  == 2.9 installation ==
1005 1005  
1222 +
1006 1006  (% _mstvisible="1" %)
1007 1007  [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1008 1008  
... ... @@ -1010,10 +1010,13 @@
1010 1010  
1011 1011  = 3. Sensors and Accessories =
1012 1012  
1230 +
1013 1013  == 3.1 E2 Extension Cable ==
1014 1014  
1233 +
1015 1015  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1016 1016  
1236 +
1017 1017  **1m long breakout cable for LHT65N. Features:**
1018 1018  
1019 1019  * (((
... ... @@ -1030,6 +1030,9 @@
1030 1030  )))
1031 1031  * (((
1032 1032  Exposed All pins from the LHT65N Type-C connector.
1253 +
1254 +
1255 +
1033 1033  )))
1034 1034  
1035 1035  [[image:image-20220619092421-3.png||height="371" width="529"]]
... ... @@ -1054,6 +1054,7 @@
1054 1054  
1055 1055  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1056 1056  
1280 +
1057 1057  (((
1058 1058  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1059 1059  )))
... ... @@ -1098,10 +1098,13 @@
1098 1098  )))
1099 1099  
1100 1100  
1325 +
1101 1101  == 4.1 Set Transmit Interval Time ==
1102 1102  
1328 +
1103 1103  Feature: Change LoRaWAN End Node Transmit Interval.
1104 1104  
1331 +
1105 1105  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
1106 1106  
1107 1107  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
... ... @@ -1111,17 +1111,19 @@
1111 1111  
1112 1112  Format: Command Code (0x01) followed by 3 bytes time value.
1113 1113  
1114 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1341 +If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.
1115 1115  
1116 -* **Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1343 +* **Example 1**: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
1117 1117  
1118 -* **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1345 +* **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1119 1119  
1120 1120  
1121 1121  == 4.2 Set External Sensor Mode ==
1122 1122  
1350 +
1123 1123  Feature: Change External Sensor Mode.
1124 1124  
1353 +
1125 1125  (% style="color:#4f81bd" %)**AT Command: AT+EXT**
1126 1126  
1127 1127  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
... ... @@ -1142,6 +1142,7 @@
1142 1142  
1143 1143  == 4.3 Enable/Disable uplink Temperature probe ID ==
1144 1144  
1374 +
1145 1145  (((
1146 1146  Feature: If PID is enabled, device will send the temperature probe ID on:
1147 1147  )))
... ... @@ -1155,6 +1155,8 @@
1155 1155  
1156 1156  (((
1157 1157  PID is default set to disable (0)
1388 +
1389 +
1158 1158  )))
1159 1159  
1160 1160  (% style="color:#4f81bd" %)**AT Command:**
... ... @@ -1170,8 +1170,10 @@
1170 1170  
1171 1171  == 4.4 Set Password ==
1172 1172  
1405 +
1173 1173  Feature: Set device password, max 9 digits
1174 1174  
1408 +
1175 1175  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1176 1176  
1177 1177  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
... ... @@ -1185,8 +1185,10 @@
1185 1185  
1186 1186  == 4.5 Quit AT Command ==
1187 1187  
1422 +
1188 1188  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1189 1189  
1425 +
1190 1190  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1191 1191  
1192 1192  [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
... ... @@ -1200,6 +1200,7 @@
1200 1200  
1201 1201  == 4.6 Set to sleep mode ==
1202 1202  
1439 +
1203 1203  Feature: Set device to sleep mode
1204 1204  
1205 1205  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
... ... @@ -1217,8 +1217,10 @@
1217 1217  
1218 1218  == 4.7 Set system time ==
1219 1219  
1457 +
1220 1220  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1221 1221  
1460 +
1222 1222  (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1223 1223  
1224 1224  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
... ... @@ -1226,12 +1226,13 @@
1226 1226  
1227 1227  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1228 1228  
1229 -0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1468 +0x306007806000  ~/~/  Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1230 1230  
1231 1231  
1232 1232  
1233 1233  == 4.8 Set Time Sync Mode ==
1234 1234  
1474 +
1235 1235  (((
1236 1236  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1237 1237  )))
... ... @@ -1238,6 +1238,8 @@
1238 1238  
1239 1239  (((
1240 1240  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.
1481 +
1482 +
1241 1241  )))
1242 1242  
1243 1243  (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
... ... @@ -1247,15 +1247,17 @@
1247 1247  
1248 1248  (% style="color:#4f81bd" %)**Downlink Command:**
1249 1249  
1250 -0x28 01 ~/~/ Same As AT+SYNCMOD=1
1251 -0x28 00 ~/~/ Same As AT+SYNCMOD=0
1492 +0x28 01  ~/~/  Same As AT+SYNCMOD=1
1493 +0x28 00  ~/~/  Same As AT+SYNCMOD=0
1252 1252  
1253 1253  
1254 1254  
1255 1255  == 4.9 Set Time Sync Interval ==
1256 1256  
1499 +
1257 1257  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1258 1258  
1502 +
1259 1259  (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1260 1260  
1261 1261  [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
... ... @@ -1263,14 +1263,16 @@
1263 1263  
1264 1264  (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1265 1265  
1266 -**0x29 0A** ~/~/ Same as AT+SYNCTDC=0x0A
1510 +**0x29 0A**  ~/~/ Same as AT+SYNCTDC=0x0A
1267 1267  
1268 1268  
1269 1269  
1270 1270  == 4.10 Print data entries base on page. ==
1271 1271  
1516 +
1272 1272  Feature: Print the sector data from start page to stop page (max is 416 pages).
1273 1273  
1519 +
1274 1274  (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1275 1275  
1276 1276  [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
... ... @@ -1284,8 +1284,10 @@
1284 1284  
1285 1285  == 4.11 Print last few data entries. ==
1286 1286  
1533 +
1287 1287  Feature: Print the last few data entries
1288 1288  
1536 +
1289 1289  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1290 1290  
1291 1291  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
... ... @@ -1299,6 +1299,7 @@
1299 1299  
1300 1300  == 4.12 Clear Flash Record ==
1301 1301  
1550 +
1302 1302  Feature: Clear flash storage for data log feature.
1303 1303  
1304 1304  
... ... @@ -1309,14 +1309,16 @@
1309 1309  
1310 1310  (% style="color:#4f81bd" %)**Downlink Command: 0xA3**
1311 1311  
1312 -* Example: 0xA301 ~/~/Same as AT+CLRDTA
1561 +* Example: 0xA301  ~/~/  Same as AT+CLRDTA
1313 1313  
1314 1314  
1315 1315  == 4.13 Auto Send None-ACK messages ==
1316 1316  
1566 +
1317 1317  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1318 1318  Feature: LHT65N will wait for ACK for each uplink, If LHT65N doesn't get ACK from the IoT server, it will consider the message doesn't arrive server and store it. LHT65N keeps sending messages in normal periodically. Once LHT65N gets ACK from a server, it will consider the network is ok and start to send the not-arrive message.
1319 1319  
1570 +
1320 1320  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1321 1321  
1322 1322  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
... ... @@ -1328,13 +1328,66 @@
1328 1328  
1329 1329  (% style="color:#4f81bd" %)**Downlink Command: 0x34**
1330 1330  
1331 -* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1582 +* Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1332 1332  
1333 1333  
1585 +== 4.14 Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm ==
1586 +
1587 +
1588 +Feature: Set internal and external temperature sensor alarms.
1589 +
1590 +(% border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1591 +|(%%)(% _msthash="1231737" _msttexthash="251862" _mstvisible="6" %)**Command Example**|(%%)(% _msthash="1231738" _msttexthash="116025" _mstvisible="6" %)**Function**|(%%)(% _msthash="1231739" _msttexthash="116831" _mstvisible="6" %)**Response**
1592 +|(%%)(% style="color:#037691" %)AT+WMOD=parameter1,parameter2,parameter3,parameter4|Set internal and external temperature sensor alarms|OK
1593 +
1594 +(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
1595 +
1596 +(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
1597 +
1598 +0): Cancel
1599 +
1600 +1): Threshold alarm
1601 +
1602 +2): Fluctuation alarm
1603 +
1604 +
1605 +(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
1606 +
1607 +(% style="color:red" %)**Note: When the collection time is less than 60 seconds and always exceeds the set alarm threshold, the sending interval will not be the collection time, but will be sent every 60 seconds.**
1608 +
1609 +
1610 +(% style="color:#037691" %) **Parameter 3 and parameter 4:**
1611 +
1612 +1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
1613 +
1614 +Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
1615 +
1616 +
1617 +2):  If Alarm Mode is set to 2: Parameter 3 is valid, which represents the difference between the currently collected temperature and the last uploaded temperature.
1618 +
1619 +Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
1620 +
1621 +If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
1622 +
1623 +
1624 +(% style="color:#4f81bd" %)**Downlink Command: 0xA5**
1625 +
1626 +0xA5 00 ~-~- AT+WMOD=0.
1627 +
1628 +0xA5 01 0A 11 94 29 04 ~-~- AT+WMOD=1,10,45,105  (AT+WMOD = second byte, third byte, fourth and fifth bytes divided by 100, sixth and seventh bytes divided by 100 )
1629 +
1630 +0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
1631 +
1632 +0xA5 FF ~-~- After the device receives it, upload the current alarm configuration (FPORT=8). Such as 01 0A 11 94 29 04 or 02 0A 02.
1633 +
1634 +
1635 +
1334 1334  = 5. Battery & How to replace =
1335 1335  
1638 +
1336 1336  == 5.1 Battery Type ==
1337 1337  
1641 +
1338 1338  (((
1339 1339  (((
1340 1340  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.
... ... @@ -1355,8 +1355,10 @@
1355 1355  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1356 1356  
1357 1357  
1662 +
1358 1358  == 5.2 Replace Battery ==
1359 1359  
1665 +
1360 1360  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.
1361 1361  
1362 1362  [[image:image-20220515075440-2.png||_mstalt="429546" _mstvisible="3" height="338" width="272"]][[image:image-20220515075625-3.png||_mstalt="431574" _mstvisible="3" height="193" width="257"]]
... ... @@ -1364,6 +1364,7 @@
1364 1364  
1365 1365  == 5.3 Battery Life Analyze ==
1366 1366  
1673 +
1367 1367  (((
1368 1368  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:
1369 1369  [[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
... ... @@ -1381,8 +1381,10 @@
1381 1381  
1382 1382  = 6. FAQ =
1383 1383  
1691 +
1384 1384  == 6.1 How to use AT Command? ==
1385 1385  
1694 +
1386 1386  LHT65N supports AT Command set.User can use a USB to TTL adapter plus the Program Cable to connect to LHT65 for using AT command, as below.
1387 1387  
1388 1388  [[image:image-20220530085651-1.png||_mstalt="429949"]]
... ... @@ -1393,7 +1393,6 @@
1393 1393  * (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1394 1394  * (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1395 1395  * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1396 -* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1397 1397  
1398 1398  (((
1399 1399  In PC, User needs to set serial tool(such as [[**putty**>>https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LHT65N. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**) (%%)to active it. Timeout to input AT Command is 5 min, after 5-minute, user need to input password again. User can use AT+DISAT command to disable AT command before timeout.
... ... @@ -1601,40 +1601,43 @@
1601 1601  AT+PID:  Get or set the PID
1602 1602  
1603 1603  
1912 +
1604 1604  == 6.2 Where to use AT commands and Downlink commands ==
1605 1605  
1606 -(% _msthash="506131" _msttexthash="14585714" %)
1607 -AT commands：
1608 1608  
1916 +**AT commands：**
1917 +
1609 1609  [[image:image-20220620153708-1.png||height="603" width="723"]]
1610 1610  
1611 -(% _msthash="506132" _msttexthash="337922" %)
1612 -Downlink commands:
1613 1613  
1921 +**Downlink commands:**
1614 1614  
1615 -(% _msthash="506133" _msttexthash="33046" %)
1616 -**TTN:**
1617 1617  
1924 +
1925 +(% style="color:blue" %)**TTN:**
1926 +
1618 1618  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1619 1619  
1620 1620  
1621 -(% _msthash="506134" _msttexthash="11113791" %)
1622 -**Helium：**
1623 1623  
1931 +(% style="color:blue" %)**Helium：**
1932 +
1624 1624  [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1625 1625  
1626 1626  
1627 -(% _msthash="506135" _msttexthash="4159844" %)
1628 -**Chirpstack:The downlink window will not be displayed until the network is accessed**
1629 1629  
1937 +(% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
1938 +
1939 +
1630 1630  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1631 1631  
1942 +
1632 1632  [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1633 1633  
1634 1634  
1635 -(% _msthash="506136" _msttexthash="39286" %)
1636 -**Aws:**
1637 1637  
1947 +(% style="color:blue" %)**Aws:**
1948 +
1638 1638  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1639 1639  
1640 1640  
... ... @@ -1641,12 +1641,14 @@
1641 1641  
1642 1642  == 6.3 How to change the uplink interval？ ==
1643 1643  
1644 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/||_msthash="506137" _msttexthash="5712018"]]
1645 1645  
1956 +Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/||_msthash="506137" _msttexthash="5712018" style="background-color: rgb(255, 255, 255);"]]
1646 1646  
1647 1647  
1959 +
1648 1648  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1649 1649  
1962 +
1650 1650  [[image:image-20220615153355-1.png]]
1651 1651  
1652 1652  [[image:1655802313617-381.png]]
... ... @@ -1674,6 +1674,7 @@
1674 1674  [[image:image-20220615170542-5.png]]
1675 1675  
1676 1676  
1990 +
1677 1677  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1678 1678  
1679 1679  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -1687,6 +1687,7 @@
1687 1687  [[image:image-20220621170938-2.png]]
1688 1688  
1689 1689  
2004 +
1690 1690  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1691 1691  
1692 1692  [[image:image-20220615171334-6.png]]
... ... @@ -1703,13 +1703,16 @@
1703 1703  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1704 1704  
1705 1705  
2021 +
1706 1706  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1707 1707  
2024 +
1708 1708  [[image:image-20220623110706-1.png]]
1709 1709  
1710 1710  
1711 1711  [[image:image-20220623112117-4.png||height="459" width="343"]]
1712 1712  
2030 +
1713 1713  (((
1714 1714  In PC, User needs to set serial tool(such as [[**putty**>>https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600** (%%)to access to access serial console for LHT65N. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**(% style="color:red" %))(%%) to active it. Timeout to input AT Command is 5 min, after 5-minute, user need to input password again. User can use AT+DISAT command to disable AT command before timeout.
1715 1715  )))
... ... @@ -1720,15 +1720,19 @@
1720 1720  [[image:image-20220615154519-3.png||height="672" width="807"]]
1721 1721  
1722 1722  
1723 -== 6.6 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1724 1724  
2042 +== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
2043 +
2044 +
1725 1725  [[image:image-20220623110706-1.png]]
1726 1726  
2047 +
1727 1727  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1728 1728  
1729 1729  [[image:image-20220615170542-5.png]]
1730 1730  
1731 1731  
2053 +
1732 1732  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1733 1733  
1734 1734  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -1740,6 +1740,8 @@
1740 1740  (% _msthash="506146" _msttexthash="52173160" %)
1741 1741  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1742 1742  
2065 +
2066 +
1743 1743  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1744 1744  
1745 1745  [[image:image-20220615171334-6.png]]
... ... @@ -1756,6 +1756,7 @@
1756 1756  Finally,restart reset device again
1757 1757  
1758 1758  
2083 +
1759 1759  = 7. Order Info =
1760 1760  
1761 1761  
... ... @@ -1763,20 +1763,13 @@
1763 1763  
1764 1764  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
1765 1765  
1766 -(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1767 -
2091 +* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1768 1768  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1769 -
1770 1770  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1771 -
1772 1772  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1773 -
1774 1774  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1775 -
1776 1776  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1777 -
1778 1778  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1779 -
1780 1780  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1781 1781  
1782 1782  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
... ... @@ -1800,13 +1800,18 @@
1800 1800  
1801 1801  = 9. Reference material =
1802 1802  
2121 +
1803 1803  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1804 1804  
1805 1805  
1806 1806  = 10. FCC Warning =
1807 1807  
2127 +
1808 1808  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1809 1809  
1810 1810  (1) This device may not cause harmful interference；
1811 1811  
1812 1812  (2) this device must accept any interference received, including interference that may cause undesired operation.
2133 +
2134 +
2135 +
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