Skip to Content
Version 148.14 by Xiaoling on 2022/06/17 15:06
Show last authors
1 (% style="text-align:center" %)
2 [[image:image-20220613162008-1.png||_mstalt="428142" height="579" width="379"]]
3
4
5
6
7
8 (% _mstvisible="1" %)
9 (% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents：**
10
11 {{toc/}}
12
13
14
15
16 (% _mstvisible="1" %)
17 = (% _msthash="277498" _msttexthash="253045" _mstvisible="3" %)1. Introduction(%%) =
18
19 (% _mstvisible="1" %)
20 == (% _msthash="1532895" _msttexthash="1426958" _mstvisible="3" %)1.1 What is LHT65N Temperature & Humidity Sensor(%%) ==
21
22 (% _mstvisible="1" %)
23 (((
24 (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
25
26
27 (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
28 The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% _mstvisible="4" style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% _mstvisible="4" style="color:#4f81bd" %)**Temperature Sensor**(% _mstvisible="3" %)**.**
29 )))
30
31 (% _mstvisible="1" %)
32 (((
33 (% _msthash="506052" _msttexthash="66005810" _mstvisible="2" %)
34 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.
35 )))
36
37 (% _mstvisible="1" %)
38 (((
39 (% _msthash="506053" _msttexthash="4298047" _mstvisible="2" %)
40 LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
41 )))
42
43 (% _mstvisible="1" %)
44 (((
45 (% _msthash="506054" _msttexthash="6016374" _mstvisible="2" %)
46 LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
47 )))
48
49 (% _mstvisible="1" %)
50 (((
51 (% _msthash="506055" _msttexthash="17023136" _mstvisible="2" %)
52 LHT65N supports (% _mstvisible="4" 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.
53 )))
54
55 (% _mstvisible="1" %)
56 (((
57 (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
58 *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
59
60 (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
61
62 )))
63
64 (% _mstvisible="1" %)
65 == (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2 Features(%%) ==
66
67 (% _mstvisible="1" %)
68 * Wall mountable
69 * LoRaWAN v1.0.3 Class A protocol
70 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
71 * AT Commands to change parameters
72 * Remote configure parameters via LoRaWAN Downlink
73 * Firmware upgradeable via program port
74 * Built-in 2400mAh battery for up to 10 years of use.
75 * Built-in Temperature & Humidity sensor
76 * Optional External Sensors
77 * Tri-color LED to indicate working status
78 * Datalog feature
79
80
81
82
83 (% _mstvisible="1" %)
84 == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
85
86 (% _mstvisible="1" %)
87 (((
88 (% _mstvisible="2" %)
89
90
91 (% _mstvisible="2" %)
92 (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
93 )))
94
95 (% _mstvisible="1" %)
96 * (% _mstvisible="3" %)
97 (((
98 (% _msthash="902993" _msttexthash="294424" _mstvisible="4" %)
99 Resolution: 0.01 °C
100 )))
101 * (% _mstvisible="3" %)
102 (((
103 (% _msthash="902994" _msttexthash="690664" _mstvisible="4" %)
104 Accuracy Tolerance : Typ ±0.3 °C
105 )))
106 * (% _mstvisible="3" %)
107 (((
108 (% _msthash="902995" _msttexthash="504647" _mstvisible="4" %)
109 Long Term Drift: < 0.02 °C/yr
110 )))
111 * (% _mstvisible="3" %)
112 (((
113 (% _msthash="902996" _msttexthash="478257" _mstvisible="4" %)
114 Operating Range: -40 ~~ 85 °C
115 )))
116
117 (% _mstvisible="1" %)
118 (((
119 (% _mstvisible="2" %)
120
121
122 (% _mstvisible="2" %)
123 (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
124 )))
125
126 (% _mstvisible="1" %)
127 * (% _mstvisible="3" %)
128 (((
129 (% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
130 Resolution: 0.04 %RH
131 )))
132 * (% _mstvisible="3" %)
133 (((
134 (% _msthash="902998" _msttexthash="628771" _mstvisible="4" %)
135 Accuracy Tolerance : Typ ±3 %RH
136 )))
137 * (% _mstvisible="3" %)
138 (((
139 (% _msthash="902999" _msttexthash="504647" _mstvisible="4" %)
140 Long Term Drift: < 0.02 °C/yr
141 )))
142 * (% _mstvisible="3" %)
143 (((
144 (% _msthash="903000" _msttexthash="421291" _mstvisible="4" %)
145 Operating Range: 0 ~~ 96 %RH
146 )))
147
148 (% _mstvisible="1" %)
149 (((
150 (% _mstvisible="2" %)
151
152
153 (% _mstvisible="2" %)
154 (% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
155 )))
156
157 (% _mstvisible="1" %)
158 * (% _mstvisible="3" %)
159 (((
160 (% _msthash="903001" _msttexthash="332254" _mstvisible="4" %)
161 Resolution: 0.0625 °C
162 )))
163 * (% _mstvisible="3" %)
164 (((
165 (% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
166 ±0.5°C accuracy from -10°C to +85°C
167 )))
168 * (% _mstvisible="3" %)
169 (((
170 (% _msthash="903003" _msttexthash="729482" _mstvisible="4" %)
171 ±2°C accuracy from -55°C to +125°C
172 )))
173 * (% _mstvisible="3" %)
174 (((
175 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
176 Operating Range: -55 °C ~~ 125 °C
177
178
179 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
180
181 )))
182
183 (% _mstvisible="1" %)
184 = (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) =
185
186 (% _mstvisible="1" %)
187 == (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
188
189 (% _mstvisible="1" %)
190 (((
191 (% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
192 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.
193 )))
194
195 (% _mstvisible="1" %)
196 (((
197 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
198 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.
199
200 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
201
202 )))
203
204 (% _mstvisible="1" %)
205 == (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT65N?(%%) ==
206
207 (% _msthash="315239" _msttexthash="748241" _mstvisible="1" %)
208 The LHT65N has two working modes:
209
210 (% _mstvisible="1" %)
211 * (% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
212 * (% style="color:blue" %)**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, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
213
214 (% _mstvisible="1" %)
215 (((
216 (% _msthash="506062" _msttexthash="6036823" _mstvisible="2" %)
217 The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
218 )))
219
220 (% _mstvisible="1" %)
221 [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
222
223 (% _mstvisible="1" %)
224 [[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
225
226
227 (% _mstvisible="1" %)
228 == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
229
230 (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
231 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.
232
233 (% _mstvisible="1" class="wikigeneratedid" %)
234 [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
235
236 (% _msthash="315241" _msttexthash="10802155" _mstvisible="1" %)
237 Assume the LPS8N is already set to connect to [[TTN V3 network>>url:https://eu1.cloud.thethings.network||_mstvisible="2"]], So it provides network coverage for LHT65N. Next we need to add the LHT65N device in TTN V3:
238
239
240 (% _mstvisible="1" %)
241 === (% _msthash="670592" _msttexthash="634075" _mstvisible="3" %)2.3.1 Step 1: Create Device n TTN(%%) ===
242
243 (% _msthash="315242" _msttexthash="1601782" _mstvisible="1" %)
244 Create a device in TTN V3 with the OTAA keys from LHT65N.
245
246 (% _msthash="315243" _msttexthash="3694444" _mstvisible="1" %)
247 Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
248
249 (% _mstvisible="1" %)
250 [[image:image-20220617150003-1.jpeg]]
251
252 (% _msthash="315244" _msttexthash="3659149" _mstvisible="1" %)
253 User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
254
255 (% _msthash="315245" _msttexthash="642889" _mstvisible="1" %)
256 Add APP EUI in the application.
257
258 (% _mstvisible="1" %)
259 [[image:image-20220522232916-3.png||_mstalt="430495" _mstvisible="3"]]
260
261 (% _mstvisible="1" %)
262 [[image:image-20220522232932-4.png||_mstalt="430157" _mstvisible="3"]]
263
264 (% _mstvisible="1" %)
265 [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
266
267 (% _msthash="315246" _msttexthash="878800" _mstvisible="1" %)
268 Note: LHT65N use same payload as LHT65.
269
270 (% _mstvisible="1" %)
271 [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
272
273
274 (% _msthash="315247" _msttexthash="595543" _mstvisible="1" %)
275 Input APP EUI,  APP KEY and DEV EUI:
276
277 (% _mstvisible="1" %)
278 [[image:image-20220522233118-7.png||_mstalt="430430" _mstvisible="3"]]
279
280
281
282 (% _mstvisible="1" %)
283 === (% _msthash="3537456" _msttexthash="3448549" _mstvisible="3" %)2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds.(%%) ===
284
285 (% _msthash="315248" _msttexthash="14452321" _mstvisible="1" %)
286 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.
287
288 (% _mstvisible="1" %)
289 [[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
290
291
292
293 (% _mstvisible="1" %)
294 == (% _msthash="320879" _msttexthash="294970" _mstvisible="3" %)2.4 Uplink Payload(%%) ==
295
296 (% _msthash="315249" _msttexthash="7722962" _mstvisible="1" %)
297 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.
298
299 (% _msthash="315250" _msttexthash="1322711" _mstvisible="1" %)
300 After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
301
302 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:426px" %)
303 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 97px;" %)(% _mstvisible="5" %)
304 (((
305 (% _mstvisible="6" %)
306 (% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
307 )))|=(% _mstvisible="4" style="width: 39px;" %)(% _mstvisible="5" %)
308 (((
309 (% _mstvisible="6" %)
310 (% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2**
311 )))|=(% _mstvisible="4" style="width: 100px;" %)(% _mstvisible="5" %)
312 (((
313 (% _mstvisible="6" %)
314 (% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2**
315 )))|=(% _mstvisible="4" style="width: 77px;" %)(% _mstvisible="5" %)
316 (((
317 (% _mstvisible="6" %)
318 (% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2**
319 )))|=(% _mstvisible="4" style="width: 47px;" %)(% _mstvisible="5" %)
320 (((
321 (% _mstvisible="6" %)
322 (% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1**
323 )))|=(% _mstvisible="4" style="width: 51px;" %)(% _mstvisible="5" %)
324 (((
325 (% _mstvisible="6" %)
326 (% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4**
327 )))
328 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
329 (((
330 (% _mstvisible="6" %)
331 (% _msthash="1817484" _msttexthash="60203" _mstvisible="8" %)**Value**
332 )))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %)
333 (((
334 (% _mstvisible="6" %)
335 [[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594" _mstvisible="7"]]
336 )))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
337 (((
338 (% _mstvisible="6" %)
339 (((
340 (% _mstvisible="7" %)
341 [[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769" _mstvisible="8"]]
342 )))
343 )))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
344 (((
345 (% _mstvisible="6" %)
346 (((
347 (% _mstvisible="7" %)
348 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872" _mstvisible="8"]]
349 )))
350
351 (% _mstvisible="6" %)
352 (((
353 (% _mstvisible="7" %)
354 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429" _mstvisible="8"]]
355 )))
356 )))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %)
357 (((
358 (% _mstvisible="6" %)
359 [[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331" _mstvisible="7"]] #
360 )))|(% _mstvisible="4" style="width:51px" %)(% _mstvisible="5" %)
361 (((
362 (% _mstvisible="6" %)
363 [[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545" _mstvisible="7"]]
364 )))
365
366 (% _mstvisible="1" %)
367 * The First 6 bytes: has fix meanings for every LHT65N.
368 * The 7th byte (EXT #): defines the external sensor model.
369 * 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.)
370
371
372
373
374 (% _mstvisible="1" %)
375 === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
376
377 (% _msthash="315251" _msttexthash="9786491" _mstvisible="1" %)
378 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.
379
380 (% _msthash="315252" _msttexthash="3928483" _mstvisible="1" %)
381 Below is the position to put the decoder and LHT65N decoder can be download from here:
382
383 (% _mstvisible="1" %)
384 [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
385
386 (% _mstvisible="1" %)
387 [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
388
389
390
391 (% _mstvisible="1" %)
392 === (% _msthash="411411" _msttexthash="383656" _mstvisible="3" %)2.4.2 BAT-Battery Info(%%) ===
393
394 (% _msthash="315254" _msttexthash="3122912" _mstvisible="1" %)
395 These two bytes of BAT include the battery state and the actually voltage
396
397 (% _mstvisible="1" %)
398 [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
399
400 (% _mstvisible="1" %)
401 [[image:image-20220522235639-1.png||_mstalt="431392" _mstvisible="3" height="139" width="727"]]
402
403 (% _msthash="315255" _msttexthash="871611" _mstvisible="1" %)
404 Check the battery voltage for LHT65N.
405
406 (% _mstvisible="1" %)
407 * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
408 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
409
410
411
412
413 (% _mstvisible="1" %)
414 === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
415
416 (% _mstvisible="1" %)
417 [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
418
419 (% _mstvisible="1" %)
420 * Temperature:  0x0ABB/100=27.47℃
421
422 (% _mstvisible="1" %)
423 [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
424
425 (% _mstvisible="1" %)
426 * Temperature:  (0xF5C6-65536)/100=-26.18℃
427
428
429
430
431 (% _mstvisible="1" %)
432 === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
433
434 (% _mstvisible="1" %)
435 [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
436
437 (% _mstvisible="1" %)
438 * Humidity:    0x025C/10=60.4%
439
440
441
442
443 (% _mstvisible="1" %)
444 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
445
446 (% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
447 Bytes for External Sensor:
448
449 (% _mstvisible="1" %)
450 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
451
452
453 (% _mstvisible="1" %)
454 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
455
456 (% _mstvisible="1" %)
457 ==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
458
459 (% _mstvisible="1" %)
460 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
461
462
463 (% _mstvisible="1" %)
464 * DS18B20 temp=0x0ADD/100=27.81℃
465
466 (% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
467 The last 2 bytes of data are meaningless
468
469 (% _mstvisible="1" %)
470 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
471
472
473 (% _mstvisible="1" %)
474 * External temperature= (0xF54F-65536)/100=-27.37℃
475
476 (% _mstvisible="1" %)
477 (((
478 (% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
479 The last 2 bytes of data are meaningless
480 )))
481
482 (% _mstvisible="1" %)
483 (((
484 (% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
485 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
486 )))
487
488
489
490 (% _mstvisible="1" %)
491 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
492
493 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
494 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:
495
496 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
497 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
498 (((
499 (% _mstvisible="6" %)
500 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
501 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
502 (((
503 (% _mstvisible="6" %)
504 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
505 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
506 (((
507 (% _mstvisible="6" %)
508 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
509 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
510 (((
511 (% _mstvisible="6" %)
512 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
513 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
514 (((
515 (% _mstvisible="6" %)
516 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
517 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
518 (((
519 (% _mstvisible="6" %)
520 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
521 )))
522 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
523 (((
524 (% _mstvisible="6" %)
525 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
526 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
527 (((
528 (% _mstvisible="6" %)
529 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
530 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
531 (((
532 (% _mstvisible="6" %)
533 (((
534 (% _mstvisible="7" %)
535 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
536 )))
537
538 (% _mstvisible="6" %)
539 (((
540 (% _mstvisible="7" %)
541 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
542 )))
543 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
544 (((
545 (% _mstvisible="6" %)
546 (((
547 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
548 BAT Status &
549 )))
550
551 (% _mstvisible="6" %)
552 (((
553 (% _mstvisible="7" %)
554 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
555 )))
556 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
557 (((
558 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
559 Status & Ext
560 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
561 (((
562 (% _mstvisible="6" %)
563 (((
564 (% _mstvisible="7" %)
565 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
566 )))
567 )))
568
569 (% _mstvisible="1" %)
570 * (% _msthash="2539669" _msttexthash="857922" _mstvisible="3" %)**Battery status & **(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**
571
572 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
573 (% _mstvisible="3" %)|=(% _msthash="1230918" _msttexthash="93158" _mstvisible="4" style="width: 65px;" %)Bit(bit)|=(% _msthash="1230919" _msttexthash="57954" _mstvisible="4" style="width: 267px;" %)[15:14]|=(% _msthash="1230920" _msttexthash="48022" _mstvisible="4" style="width: 134px;" %)[11:0]
574 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
575 (((
576 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
577 BAT Status
578
579 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
580 00(b): Ultra Low ( BAT <= 2.50v)
581
582 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
583 01(b): Low  (2.50v <=BAT <= 2.55v)
584
585 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
586 10(b): OK   (2.55v <= BAT <=2.65v)
587
588 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
589 11(b): Good   (BAT >= 2.65v)
590 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
591 (((
592 (% _mstvisible="6" %)
593 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
594
595 (% _mstvisible="6" %)
596
597 )))
598
599 (% _mstvisible="1" %)
600 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
601
602 (% _mstvisible="1" %)
603 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
604
605 (% _mstvisible="1" %)
606 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
607 * 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.
608 * 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)
609
610
611
612
613 (% _mstvisible="1" %)
614 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
615
616 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
617 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:
618
619 (% _mstvisible="1" %)
620 (((
621 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
622 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
623 )))
624
625 (% _mstvisible="1" %)
626 (((
627 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
628 (% _mstvisible="3" %)**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.
629 )))
630
631 (% _mstvisible="1" %)
632 (((
633 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
634 Add Datacake:
635 )))
636
637 (% _mstvisible="1" %)
638 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
639
640
641 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
642 Select default key as Access Key:
643
644 (% _mstvisible="1" %)
645 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
646
647 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
648 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
649
650 (% _mstvisible="1" %)
651 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
652
653 (% _mstvisible="1" %)
654 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
655
656
657
658 (% _mstvisible="1" %)
659 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
660
661 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
662 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.
663
664
665 (% _mstvisible="1" %)
666 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
667
668 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
669 There are two methods:
670
671 (% _mstvisible="1" %)
672 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
673 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.
674
675 (% _mstvisible="1" %)
676 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
677
678 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
679 LHT65N uses Unix TimeStamp format based on
680
681 (% _mstvisible="1" %)
682 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
683
684
685 (% _mstvisible="1" %)
686 (((
687 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
688 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
689 )))
690
691 (% _mstvisible="1" %)
692 (((
693 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
694 Below is the converter example
695 )))
696
697 (% _mstvisible="1" %)
698 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
699
700 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
701 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
702
703
704 (% _mstvisible="1" %)
705 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
706
707 (% _mstvisible="1" %)
708 (((
709 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
710 There are two ways to set device’s time:
711 )))
712
713 (% _mstvisible="1" %)
714 (((
715 (% _mstvisible="2" %)
716 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
717 )))
718
719 (% _mstvisible="1" %)
720 (((
721 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
722 User need to set SYNCMOD=1 to enable sync time via MAC command.
723 )))
724
725 (% _mstvisible="1" %)
726 (((
727 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
728 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).
729 )))
730
731 (% _mstvisible="1" %)
732 (((
733 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
734 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.
735 )))
736
737 (% _mstvisible="1" %)
738 (((
739 (% _mstvisible="2" %)
740
741 )))
742
743 (% _mstvisible="1" %)
744 (((
745 (% _mstvisible="2" %)
746 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
747 )))
748
749 (% _mstvisible="1" %)
750 (((
751 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
752 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
753
754 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
755
756 )))
757
758 (% _mstvisible="1" %)
759 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
760
761 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
762 User can poll sensor value based on timestamps from the server. Below is the downlink command.
763
764 (% _mstvisible="1" %)
765 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
766
767 (% _mstvisible="1" %)
768 (((
769 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
770 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.
771 )))
772
773 (% _mstvisible="1" %)
774 (((
775 (% _mstvisible="2" %)
776 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
777 )))
778
779 (% _mstvisible="1" %)
780 (((
781 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
782 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
783 )))
784
785 (% _mstvisible="1" %)
786 (((
787 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
788 Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
789 )))
790
791
792 (% _mstvisible="1" %)
793 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
794
795 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
796 The Datalog poll reply uplink will use below payload format.
797
798 (% _mstvisible="1" %)
799 (((
800 (% _mstvisible="2" %)
801 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
802 )))
803
804 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
805 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
806 (((
807 (% _mstvisible="6" %)
808 (((
809 (% _mstvisible="7" %)
810 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
811 )))
812 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
813 (((
814 (% _mstvisible="6" %)
815 (((
816 (% _mstvisible="7" %)
817 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
818 )))
819 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
820 (((
821 (% _mstvisible="6" %)
822 (((
823 (% _mstvisible="7" %)
824 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
825 )))
826 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
827 (((
828 (% _mstvisible="6" %)
829 (((
830 (% _mstvisible="7" %)
831 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
832 )))
833 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
834 (((
835 (% _mstvisible="6" %)
836 (((
837 (% _mstvisible="7" %)
838 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
839 )))
840 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
841 (((
842 (% _mstvisible="6" %)
843 (((
844 (% _mstvisible="7" %)
845 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
846 )))
847 )))
848 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
849 (((
850 (% _mstvisible="6" %)
851 (((
852 (% _mstvisible="7" %)
853 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
854 )))
855 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
856 (((
857 (% _mstvisible="6" %)
858 (((
859 (% _mstvisible="7" %)
860 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
861 )))
862 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
863 (((
864 (% _mstvisible="6" %)
865 (((
866 (% _mstvisible="7" %)
867 (((
868 (% _mstvisible="8" %)
869 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
870 )))
871 )))
872
873 (% _mstvisible="6" %)
874 (((
875 (% _mstvisible="7" %)
876 (((
877 (% _mstvisible="8" %)
878 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
879 )))
880 )))
881 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
882 (((
883 (% _mstvisible="6" %)
884 (((
885 (% _mstvisible="7" %)
886 (((
887 (% _mstvisible="8" %)
888 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
889 )))
890 )))
891
892 (% _mstvisible="6" %)
893 (((
894 (% _mstvisible="7" %)
895 (((
896 (% _mstvisible="8" %)
897 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
898 )))
899 )))
900 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
901 (((
902 (% _mstvisible="6" %)
903 (((
904 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
905 Poll message flag & Ext
906 )))
907 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
908 (((
909 (% _mstvisible="6" %)
910 (((
911 (% _mstvisible="7" %)
912 (((
913 (% _mstvisible="8" %)
914 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
915 )))
916 )))
917
918 (% _mstvisible="6" %)
919 (((
920 (% _mstvisible="7" %)
921 (((
922 (% _mstvisible="8" %)
923
924 )))
925 )))
926 )))
927
928 (% _mstvisible="1" %)
929 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
930
931 (% _mstvisible="1" %)
932 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
933
934 (% _mstvisible="1" %)
935 (((
936 (% _mstvisible="2" %)
937 (((
938 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
939 Poll Message Flag: 1: This message is a poll message reply.
940 )))
941 )))
942
943 (% _mstvisible="1" %)
944 * (% _mstvisible="3" %)
945 (((
946 (% _mstvisible="4" %)
947 (((
948 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
949 Poll Message Flag is set to 1.
950 )))
951 )))
952 * (% _mstvisible="3" %)
953 (((
954 (% _mstvisible="4" %)
955 (((
956 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
957 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
958 )))
959 )))
960
961 (% _mstvisible="1" %)
962 (((
963 (% _mstvisible="2" %)
964 (((
965 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
966
967
968 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
969 For example, in US915 band, the max payload for different DR is:
970 )))
971 )))
972
973 (% _mstvisible="1" %)
974 (((
975 (% _mstvisible="2" %)
976 (((
977 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
978 a) DR0: max is 11 bytes so one entry of data
979 )))
980 )))
981
982 (% _mstvisible="1" %)
983 (((
984 (% _mstvisible="2" %)
985 (((
986 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
987 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
988 )))
989 )))
990
991 (% _mstvisible="1" %)
992 (((
993 (% _mstvisible="2" %)
994 (((
995 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
996 c) DR2: total payload includes 11 entries of data
997 )))
998 )))
999
1000 (% _mstvisible="1" %)
1001 (((
1002 (% _mstvisible="2" %)
1003 (((
1004 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
1005 d) DR3: total payload includes 22 entries of data.
1006 )))
1007 )))
1008
1009 (% _mstvisible="1" %)
1010 (((
1011 (% _mstvisible="2" %)
1012 (((
1013 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1014 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1015 )))
1016 )))
1017
1018
1019 (% _mstvisible="1" style="text-align: left;" %)
1020 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
1021
1022 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
1023 If LHT65N has below data inside Flash:
1024
1025 (% _mstvisible="1" %)
1026 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
1027
1028 (% _mstvisible="1" %)
1029 (((
1030 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
1031 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
1032 )))
1033
1034 (% _mstvisible="1" %)
1035 (((
1036 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
1037 Where : Start time: 60065F97 = time 21/1/19 04:27:03
1038 )))
1039
1040 (% _mstvisible="1" %)
1041 (((
1042 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
1043 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1044 )))
1045
1046 (% _mstvisible="1" %)
1047 (((
1048 (% _mstvisible="2" %)
1049
1050 )))
1051
1052 (% _mstvisible="1" %)
1053 (((
1054 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1055 LHT65N will uplink this payload.
1056 )))
1057
1058 (% _mstvisible="1" %)
1059 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1060
1061 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1062 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1063
1064 (% _msthash="315237" _msttexthash="1385839" %)
1065 Where the first 11 bytes is for the first entry:
1066
1067 (% _msthash="315238" _msttexthash="274846" %)
1068 7FFF089801464160065F97
1069
1070 (% _msthash="315239" _msttexthash="617435" %)
1071 Ext sensor data=0x7FFF/100=327.67
1072
1073 (% _msthash="315240" _msttexthash="270543" %)
1074 Temp=0x0898/100=22.00
1075
1076 (% _msthash="315241" _msttexthash="211783" %)
1077 Hum=0x0146/10=32.6
1078
1079 (% _msthash="315242" _msttexthash="1569776" %)
1080 poll message flag & Ext=0x41,means reply data,Ext=1
1081
1082 (% _msthash="315243" _msttexthash="1120509" %)
1083 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1084
1085
1086 (% _mstvisible="1" style="text-align: left;" %)
1087 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1088
1089 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1090 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.
1091
1092 (% _mstvisible="1" %)
1093 (((
1094 (% _mstvisible="2" style="text-align: left;" %)
1095 (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
1096 )))
1097
1098 (% _mstvisible="1" style="text-align: left;" %)
1099 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1100
1101 (% _mstvisible="1" class="box infomessage" %)
1102 (((
1103 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1104 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%):  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1105
1106 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1107 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%):  The interval between checking the alarm temperature. (In minutes)
1108
1109 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1110 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%):  Gets or sets the alarm range of the internal temperature sensor
1111
1112 (% _mstvisible="2" style="text-align: left;" %)
1113 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%):  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1114
1115 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1116 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%):  Set the internal temperature sensor alarm range from 45 to 105.
1117 )))
1118
1119
1120
1121 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1122 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1123
1124 (% _mstvisible="1" %)
1125 (((
1126 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1127 The LHT65 has a triple color LED which for easy showing different stage .
1128
1129 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1130 While user press ACT button, the LED will work as per LED status with ACT button.
1131 )))
1132
1133 (% _mstvisible="1" %)
1134 (((
1135 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1136 In a normal working state:
1137 )))
1138
1139 (% _mstvisible="1" %)
1140 * (% _mstvisible="3" %)
1141 (((
1142 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1143 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1144
1145 (% _msthash="197771" _msttexthash="1202526" %)
1146 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1147 )))
1148 * (% _mstvisible="3" %)
1149 (((
1150 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1151 RED LED when external sensor is not connected
1152 )))
1153 * (% _mstvisible="3" %)
1154 (((
1155 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1156 For each success downlink, the PURPLE LED will blink once
1157
1158
1159
1160 )))
1161
1162 (% _mstvisible="1" style="text-align: left;" %)
1163 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1164
1165 (% _mstvisible="1" %)
1166 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1167
1168
1169 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
1170 = (% _msthash="401388" _msttexthash="566956" _mstvisible="3" %)3. S(% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)ensors(% _msthash="401388" _msttexthash="40417" _mstvisible="3" %) and A(% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)ccessories(%%) =
1171
1172 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1173 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1174
1175 (% _mstvisible="1" %)
1176 [[image:image-20220515080154-4.png||_mstalt="434681" _mstvisible="3" alt="photo-20220515080154-4.png" height="182" width="161"]] [[image:image-20220515080330-5.png||_mstalt="428792" _mstvisible="3" height="201" width="195"]]
1177
1178
1179 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1180 Temperature sensor with 2 meters cable long
1181
1182 (% _mstvisible="1" %)
1183 * Resolution: 0.0625 °C
1184 * ±0.5°C accuracy from -10°C to +85°C
1185 * ±2°C accuracy from -55°C to +125°C
1186 * Operating Range: -40 ~~ 125 °C
1187 * -55°C to 125°C
1188 * Working voltage 2.35v ~~ 5v
1189
1190 (% _mstvisible="1" style="text-align: left;" %)
1191 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1192
1193 (% _mstvisible="1" %)
1194 (((
1195 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1196 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1197 )))
1198
1199 (% _mstvisible="1" %)
1200 * (% _mstvisible="3" %)
1201 (((
1202 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1203 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1204 )))
1205 * (% _mstvisible="3" %)
1206 (((
1207 (% _msthash="903319" _msttexthash="3225859" _mstvisible="4" %)
1208 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1209 )))
1210
1211 (% _mstvisible="1" %)
1212 (((
1213 (% _mstvisible="2" style="text-align: left;" %)
1214
1215 )))
1216
1217 (% _mstvisible="1" %)
1218 (((
1219 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1220 There are two kinds of commands to configure LHT65N, they are:
1221 )))
1222
1223 (% _mstvisible="1" %)
1224 (((
1225 (% _mstvisible="2" style="text-align: left;" %)
1226 (% _msthash="506249" _msttexthash="317850" _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**General Commands**(% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="3" style="color:#4f81bd" %).
1227 )))
1228
1229 (% _mstvisible="1" %)
1230 (((
1231 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1232 These commands are to configure:
1233 )))
1234
1235 (% _mstvisible="1" %)
1236 * (% _mstvisible="3" %)
1237 (((
1238 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1239 General system settings like: uplink interval.
1240 )))
1241 * (% _mstvisible="3" %)
1242 (((
1243 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1244 LoRaWAN protocol & radio-related commands.
1245 )))
1246
1247 (% _mstvisible="1" %)
1248 (((
1249 (% _msthash="506251" _msttexthash="12349142" _mstvisible="2" style="text-align: left;" %)
1250 They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki: [[End Device Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
1251 )))
1252
1253 (% _mstvisible="1" %)
1254 (((
1255 (% _mstvisible="2" style="text-align: left;" %)
1256
1257 )))
1258
1259 (% _mstvisible="1" %)
1260 (((
1261 (% _mstvisible="2" style="text-align: left;" %)
1262 (% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**Commands special design for LHT65N**
1263 )))
1264
1265 (% _mstvisible="1" %)
1266 (((
1267 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1268 These commands are only valid for LHT65N, as below:
1269
1270
1271 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1272
1273 )))
1274
1275 (% _mstvisible="1" style="text-align: left;" %)
1276 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1277
1278 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1279 Feature: Change LoRaWAN End Node Transmit Interval.
1280
1281 (% _mstvisible="1" style="text-align: left;" %)
1282 (% _msthash="315244" _msttexthash="241696" style="color:#4f81bd" %)**AT Command: AT+TDC**
1283
1284 (% _mstvisible="1" %)
1285 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1286
1287 (% _mstvisible="1" %)
1288 (((
1289 (% _mstvisible="2" style="text-align: left;" %)
1290
1291
1292 (% _mstvisible="2" style="text-align: left;" %)
1293 (% _msthash="506055" _msttexthash="381992" style="color:#4f81bd" %)**Downlink Command: 0x01**
1294 )))
1295
1296 (% _mstvisible="1" %)
1297 (((
1298 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1299 Format: Command Code (0x01) followed by 3 bytes time value.
1300 )))
1301
1302 (% _mstvisible="1" %)
1303 (((
1304 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1305 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1306 )))
1307
1308 (% _mstvisible="1" %)
1309 * (% _mstvisible="3" %)
1310 (((
1311 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1312 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1313 )))
1314 * (% _mstvisible="3" %)
1315 (((
1316 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1317 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1318
1319
1320 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1321
1322 )))
1323
1324 (% _mstvisible="1" style="text-align: left;" %)
1325 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1326
1327 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1328 Feature: Change External Sensor Mode.
1329
1330 (% _mstvisible="1" style="text-align: left;" %)
1331 (% _msthash="315245" _msttexthash="248118" style="color:#4f81bd" %)**AT Command: AT+EXT**
1332
1333 (% _mstvisible="1" %)
1334 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1335
1336 (% _mstvisible="1" %)
1337 (((
1338 (% _mstvisible="2" style="text-align: left;" %)
1339
1340
1341 (% _mstvisible="2" style="text-align: left;" %)
1342 (% _msthash="506056" _msttexthash="387855" style="color:#4f81bd" %)**Downlink Command: 0xA2**
1343 )))
1344
1345 (% _mstvisible="1" %)
1346 (((
1347 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1348 Total bytes: 2 ~~ 5 bytes
1349 )))
1350
1351 (% _mstvisible="1" %)
1352 (((
1353 (% _mstvisible="2" %)
1354 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1355 )))
1356
1357 (% _mstvisible="1" %)
1358 * (% _mstvisible="3" %)
1359 (((
1360 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1361 0xA201: Set external sensor type to E1
1362 )))
1363 * (% _mstvisible="3" %)
1364 (((
1365 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1366 0xA209: Same as AT+EXT=9
1367 )))
1368 * (% _mstvisible="3" %)
1369 (((
1370 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1371 0xA20702003c,Same as AT+SETCNT=60
1372
1373
1374 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1375
1376 )))
1377
1378 (% _mstvisible="1" style="text-align: left;" %)
1379 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1380
1381 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1382 Feature: If PID is enabled, device will send the temperature probe ID on:
1383
1384 (% _mstvisible="1" %)
1385 * First Packet after OTAA Join
1386 * Every 24 hours since the first packet.
1387
1388 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1389 PID is default set to disable (0)
1390
1391 (% _mstvisible="1" style="text-align: left;" %)
1392 (% _msthash="315246" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1393
1394 (% _mstvisible="1" %)
1395 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1396
1397
1398 (% _mstvisible="1" style="text-align: left;" %)
1399 (% _msthash="315247" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1400
1401 (% _mstvisible="1" %)
1402 * 0xA800  **~-~->** AT+PID=0
1403 * 0xA801     **~-~->** AT+PID=1
1404
1405 (% _mstvisible="1" style="text-align: left;" %)
1406 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1407
1408 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1409 Feature: Set device password, max 9 digits
1410
1411 (% _mstvisible="1" style="text-align: left;" %)
1412 (% _msthash="315248" _msttexthash="295009" style="color:#4f81bd" %)**AT Command: AT+PWORD**
1413
1414 (% _mstvisible="1" %)
1415 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1416
1417 (% _mstvisible="1" %)
1418 (((
1419 (% _mstvisible="2" style="text-align: left;" %)
1420
1421
1422 (% _mstvisible="2" style="text-align: left;" %)
1423 (% _msthash="506057" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1424 )))
1425
1426 (% _mstvisible="1" %)
1427 (((
1428 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1429 No downlink command for this feature.
1430
1431 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1432
1433 )))
1434
1435 (% _mstvisible="1" style="text-align: left;" %)
1436 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1437
1438 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1439 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1440
1441 (% _mstvisible="1" style="text-align: left;" %)
1442 (% _msthash="315249" _msttexthash="289120" style="color:#4f81bd" %)**AT Command: AT+DISAT**
1443
1444 (% _mstvisible="1" %)
1445 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1446
1447
1448 (% _mstvisible="1" style="text-align: left;" %)
1449 (% _msthash="315250" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1450
1451 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1452 No downlink command for this feature.
1453
1454
1455 (% _mstvisible="1" style="text-align: left;" %)
1456 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1457
1458 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1459 Feature: Set device to sleep mode
1460
1461 * AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1462 * AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1463
1464 (% _mstvisible="1" style="text-align: left;" %)
1465 (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1466
1467 (% _mstvisible="1" %)
1468 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1469
1470 (% _mstvisible="1" %)
1471 (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1472
1473 (% _mstvisible="1" %)
1474 * There is no downlink command to set to Sleep mode.
1475
1476 (% _mstvisible="1" %)
1477 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1478
1479 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1480 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1481
1482 (% _mstvisible="1" %)
1483 (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1484
1485 (% _mstvisible="1" %)
1486 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1487
1488
1489 (% _mstvisible="1" %)
1490 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1491
1492 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1493 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1494
1495
1496 (% _mstvisible="1" %)
1497 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1498
1499 (% _mstvisible="1" %)
1500 (((
1501 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1502 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1503 )))
1504
1505 (% _mstvisible="1" %)
1506 (((
1507 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1508 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.
1509 )))
1510
1511 (% _mstvisible="1" %)
1512 (((
1513 (% _mstvisible="2" %)
1514 (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1515 )))
1516
1517 (% _mstvisible="1" %)
1518 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1519
1520
1521 (% _mstvisible="1" %)
1522 (% _msthash="315255" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1523
1524 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1525 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1526
1527 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1528 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1529
1530
1531 (% _mstvisible="1" %)
1532 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1533
1534 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1535 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1536
1537 (% _mstvisible="1" %)
1538 (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1539
1540 (% _mstvisible="1" %)
1541 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1542
1543
1544 (% _mstvisible="1" %)
1545 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1546
1547 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1548 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1549
1550
1551 (% _mstvisible="1" %)
1552 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1553
1554 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1555 Feature: Print the sector data from start page to stop page (max is 416 pages).
1556
1557 (% _mstvisible="1" %)
1558 (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1559
1560 (% _mstvisible="1" %)
1561 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1562
1563
1564 (% _mstvisible="1" %)
1565 (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1566
1567 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1568 No downlink commands for feature
1569
1570
1571 (% _mstvisible="1" %)
1572 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1573
1574 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1575 Feature: Print the last few data entries
1576
1577 (% _mstvisible="1" %)
1578 (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1579
1580 (% _mstvisible="1" %)
1581 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1582
1583
1584 (% _mstvisible="1" %)
1585 (% _msthash="315261" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1586
1587 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1588 No downlink commands for feature
1589
1590
1591 (% _mstvisible="1" %)
1592 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1593
1594 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1595 Feature: Clear flash storage for data log feature.
1596
1597 (% _mstvisible="1" %)
1598 (% _msthash="315262" _msttexthash="311415" style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1599
1600 (% _mstvisible="1" %)
1601 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1602
1603
1604 (% _mstvisible="1" %)
1605 (% _msthash="315263" _msttexthash="388193" style="color:#4f81bd" %)**Downlink Command: 0xA3**
1606
1607 (% _mstvisible="1" %)
1608 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1609
1610 (% _mstvisible="1" %)
1611 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1612
1613 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1614 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.
1615
1616
1617 (% _mstvisible="1" %)
1618 (% _msthash="315264" _msttexthash="334256" style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1619
1620 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1621 The default factory setting is 0
1622
1623 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1624 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 171px;" %)(% _msthash="1231737" _msttexthash="251862" _mstvisible="6" %)**Command Example**|=(% _mstvisible="4" style="width: 219px;" %)(% _msthash="1231738" _msttexthash="116025" _mstvisible="6" %)**Function**|=(% _mstvisible="4" style="width: 119px;" %)(% _msthash="1231739" _msttexthash="116831" _mstvisible="6" %)**Response**
1625 (% _mstvisible="3" %)|(% _msthash="1231321" _msttexthash="130455" _mstvisible="4" style="width:171px" %)AT+PNACKMD=1|(% _msthash="1231322" _msttexthash="377026" _mstvisible="4" style="width:219px" %)Poll None-ACK message|(% _msthash="1231323" _msttexthash="14989" _mstvisible="4" style="width:119px" %)OK
1626
1627 (% _mstvisible="1" %)
1628 (% _msthash="315265" _msttexthash="383981" style="color:#4f81bd" %)**Downlink Command: 0x34**
1629
1630 (% _mstvisible="1" %)
1631 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1632
1633 (% _mstvisible="1" %)
1634 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1635
1636 (% _mstvisible="1" %)
1637 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1638
1639 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1640 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.
1641
1642 (% _mstvisible="1" %)
1643 (((
1644 (% _mstvisible="2" %)
1645 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1646 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1647 )))
1648
1649 (% _mstvisible="1" %)
1650 (((
1651 (% _mstvisible="2" %)
1652 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1653
1654 )))
1655
1656 (% _mstvisible="1" %)
1657 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1658
1659 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1660 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.
1661
1662 (% _mstvisible="1" %)
1663 [[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"]]
1664
1665 (% _mstvisible="1" %)
1666 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1667
1668 (% _mstvisible="1" %)
1669 (((
1670 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1671 (((
1672 (% _msthash="736723" _msttexthash="35479028" %)
1673 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:
1674 [[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]]
1675 )))
1676
1677 (((
1678
1679 )))
1680
1681 (((
1682 (% _msthash="736724" _msttexthash="12045098" %)
1683 A full detail test report for LHT65N on different frequency can be found at : [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0>>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
1684 )))
1685
1686
1687 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1688 = (% _msthash="183170" _msttexthash="37921" _mstvisible="3" %)6. FAQ(%%) =
1689
1690 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1691 == (% _msthash="491075" _msttexthash="437463" %)6.1 How to use AT Command?(%%) ==
1692
1693 (((
1694 (% _msthash="736725" _msttexthash="9345674" %)
1695 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.
1696 )))
1697
1698 [[image:image-20220530085651-1.png||_mstalt="429949"]]
1699
1700
1701 (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1702
1703 (% _msthash="506062" _msttexthash="1187732" %)
1704 **✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1705
1706 (% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1707
1708 (% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1709
1710 (% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1711
1712
1713 (((
1714 (% _msthash="736726" _msttexthash="67213055" %)
1715 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.
1716 )))
1717
1718 (((
1719 (% _msthash="736727" _msttexthash="1907009" %)
1720 Input password and ATZ to activate LHT65N,As shown below:
1721 )))
1722
1723 [[image:image-20220530095701-4.png||_mstalt="430014"]]
1724
1725
1726 (% _msthash="506066" _msttexthash="544869" %)
1727 AT Command List is as below:
1728
1729 (% _msthash="506067" _msttexthash="361920" %)
1730 AT+<CMD>? :  Help on <CMD>
1731
1732 (% _msthash="506068" _msttexthash="243061" %)
1733 AT+<CMD> :  Run <CMD>
1734
1735 (% _msthash="506069" _msttexthash="704197" %)
1736 AT+<CMD>=<value> :  Set the value
1737
1738 (% _msthash="506070" _msttexthash="455676" %)
1739 AT+<CMD>=? :  Get the value
1740
1741 (% _msthash="506071" _msttexthash="670553" %)
1742 AT+DEBUG:  Set more info output
1743
1744 (% _msthash="506072" _msttexthash="485888" %)
1745 ATZ:  Trig a reset of the MCU
1746
1747 (% _msthash="506073" _msttexthash="2068872" %)
1748 AT+FDR:  Reset Parameters to Factory Default, Keys Reserve
1749
1750 (% _msthash="506074" _msttexthash="689169" %)
1751 AT+DEUI:  Get or Set the Device EUI
1752
1753 (% _msthash="506075" _msttexthash="960414" %)
1754 AT+DADDR:  Get or Set the Device Address
1755
1756 (% _msthash="506076" _msttexthash="1079897" %)
1757 AT+APPKEY:  Get or Set the Application Key
1758
1759 (% _msthash="506077" _msttexthash="1326143" %)
1760 AT+NWKSKEY:  Get or Set the Network Session Key
1761
1762 (% _msthash="506078" _msttexthash="1573000" %)
1763 AT+APPSKEY:  Get or Set the Application Session Key
1764
1765 (% _msthash="506079" _msttexthash="1041729" %)
1766 AT+APPEUI:  Get or Set the Application EUI
1767
1768 (% _msthash="506080" _msttexthash="2104206" %)
1769 AT+ADR:  Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1770
1771 (% _msthash="506081" _msttexthash="3369288" %)
1772 AT+TXP:  Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1773
1774 (% _msthash="506082" _msttexthash="1894529" %)
1775 AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1776
1777 (% _msthash="506083" _msttexthash="3864172" %)
1778 AT+DCS:  Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1779
1780 (% _msthash="506084" _msttexthash="1712204" %)
1781 AT+PNM:  Get or Set the public network mode. (0: off, 1: on)
1782
1783 (% _msthash="506085" _msttexthash="1281202" %)
1784 AT+RX2FQ:  Get or Set the Rx2 window frequency
1785
1786 (% _msthash="506086" _msttexthash="2796781" %)
1787 AT+RX2DR:  Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1788
1789 (% _msthash="506087" _msttexthash="3285165" %)
1790 AT+RX1DL:  Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1791
1792 (% _msthash="506088" _msttexthash="3286179" %)
1793 AT+RX2DL:  Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1794
1795 (% _msthash="506089" _msttexthash="4703803" %)
1796 AT+JN1DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1797
1798 (% _msthash="506090" _msttexthash="4704999" %)
1799 AT+JN2DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1800
1801 (% _msthash="506091" _msttexthash="1528683" %)
1802 AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1803
1804 (% _msthash="506092" _msttexthash="757185" %)
1805 AT+NWKID:  Get or Set the Network ID
1806
1807 (% _msthash="506093" _msttexthash="1156597" %)
1808 AT+FCU:  Get or Set the Frame Counter Uplink
1809
1810 (% _msthash="506094" _msttexthash="1273987" %)
1811 AT+FCD:  Get or Set the Frame Counter Downlink
1812
1813 (% _msthash="506095" _msttexthash="859222" %)
1814 AT+CLASS:  Get or Set the Device Class
1815
1816 (% _msthash="506096" _msttexthash="384852" %)
1817 AT+JOIN:  Join network
1818
1819 (% _msthash="506097" _msttexthash="548626" %)
1820 AT+NJS:  Get the join status
1821
1822 (% _msthash="506098" _msttexthash="2546206" %)
1823 AT+SENDB:  Send hexadecimal data along with the application port
1824
1825 (% _msthash="506099" _msttexthash="1932307" %)
1826 AT+SEND:  Send text data along with the application port
1827
1828 (% _msthash="506100" _msttexthash="3560557" %)
1829 AT+RECVB:  Print last received data in binary format (with hexadecimal values)
1830
1831 (% _msthash="506101" _msttexthash="1429701" %)
1832 AT+RECV:  Print last received data in raw format
1833
1834 (% _msthash="506102" _msttexthash="1735981" %)
1835 AT+VER:  Get current image version and Frequency Band
1836
1837 (% _msthash="506103" _msttexthash="1189474" %)
1838 AT+CFM:  Get or Set the confirmation mode (0-1)
1839
1840 (% _msthash="506104" _msttexthash="1718210" %)
1841 AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1842
1843 (% _msthash="506105" _msttexthash="1339403" %)
1844 AT+SNR:  Get the SNR of the last received packet
1845
1846 (% _msthash="506106" _msttexthash="1452009" %)
1847 AT+RSSI:  Get the RSSI of the last received packet
1848
1849 (% _msthash="506107" _msttexthash="2768142" %)
1850 AT+TDC:  Get or set the application data transmission interval in ms
1851
1852 (% _msthash="506108" _msttexthash="1083914" %)
1853 AT+PORT:  Get or set the application port
1854
1855 (% _msthash="506109" _msttexthash="622440" %)
1856 AT+DISAT:  Disable AT commands
1857
1858 (% _msthash="506110" _msttexthash="868361" %)
1859 AT+PWORD:  Set password, max 9 digits
1860
1861 (% _msthash="506111" _msttexthash="2210299" %)
1862 AT+CHS:  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1863
1864 (% _msthash="506112" _msttexthash="2113462" %)
1865 AT+CHE:  Get or Set eight channels mode,Only for US915,AU915,CN470
1866
1867 (% _msthash="506113" _msttexthash="2087423" %)
1868 AT+PDTA:  Print the sector data from start page to stop page
1869
1870 (% _msthash="506114" _msttexthash="1063127" %)
1871 AT+PLDTA:  Print the last few sets of data
1872
1873 (% _msthash="506115" _msttexthash="1999426" %)
1874 AT+CLRDTA:  Clear the storage, record position back to 1st
1875
1876 (% _msthash="506116" _msttexthash="442130" %)
1877 AT+SLEEP:  Set sleep mode
1878
1879 (% _msthash="506117" _msttexthash="1080222" %)
1880 AT+EXT:  Get or Set external sensor model
1881
1882 (% _msthash="506118" _msttexthash="1309490" %)
1883 AT+BAT:  Get the current battery voltage in mV
1884
1885 (% _msthash="506119" _msttexthash="813891" %)
1886 AT+CFG:  Print all configurations
1887
1888 (% _msthash="506120" _msttexthash="551707" %)
1889 AT+WMOD:  Get or Set Work Mode
1890
1891 (% _msthash="506121" _msttexthash="2631499" %)
1892 AT+ARTEMP:  Get or set the internal Temperature sensor alarm range
1893
1894 (% _msthash="506122" _msttexthash="3907150" %)
1895 AT+CITEMP:  Get or set the internal Temperature sensor collection interval in min
1896
1897 (% _msthash="506123" _msttexthash="854620" %)
1898 AT+SETCNT:  Set the count at present
1899
1900 (% _msthash="506124" _msttexthash="2554877" %)
1901 AT+RJTDC:  Get or set the ReJoin data transmission interval in min
1902
1903 (% _msthash="506125" _msttexthash="771849" %)
1904 AT+RPL:  Get or set response level
1905
1906 (% _msthash="506126" _msttexthash="1484314" %)
1907 AT+TIMESTAMP:  Get or Set UNIX timestamp in second
1908
1909 (% _msthash="506127" _msttexthash="741728" %)
1910 AT+LEAPSEC:  Get or Set Leap Second
1911
1912 (% _msthash="506128" _msttexthash="1694017" %)
1913 AT+SYNCMOD:  Get or Set time synchronization method
1914
1915 (% _msthash="506129" _msttexthash="2235948" %)
1916 AT+SYNCTDC:  Get or set time synchronization interval in day
1917
1918 (% _msthash="506130" _msttexthash="425542" %)
1919 AT+PID:  Get or set the PID
1920
1921
1922 == (% _msthash="1616654" _msttexthash="1555359" %)6.2 Where to use AT commands and Downlink commands(%%) ==
1923
1924 (% _msthash="506131" _msttexthash="14585714" %)
1925 AT commands：
1926
1927 [[image:image-20220615092034-1.png||_mstalt="428870"]]
1928
1929 (% _msthash="506132" _msttexthash="337922" %)
1930 Downlink commands:
1931
1932
1933 (% _msthash="506133" _msttexthash="33046" %)
1934 **TTN:**
1935
1936 [[image:image-20220615092124-2.png||_mstalt="429221" height="843" width="893"]]
1937
1938
1939 (% _msthash="506134" _msttexthash="11113791" %)
1940 **Helium：**
1941
1942 [[image:image-20220615092551-3.png||_mstalt="430794" height="556" width="1097"]]
1943
1944
1945 (% _msthash="506135" _msttexthash="4159844" %)
1946 **Chirpstack:The downlink window will not be displayed until the network is accessed**
1947
1948 [[image:image-20220615094850-6.png||_mstalt="433082"]]
1949
1950 [[image:image-20220615094904-7.png||_mstalt="433485" height="329" width="1067"]]
1951
1952
1953 (% _msthash="506136" _msttexthash="39286" %)
1954 **Aws:**
1955
1956 [[image:image-20220615092939-4.png||_mstalt="434460" height="532" width="1062"]]
1957
1958
1959 == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
1960
1961 [[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"]]
1962
1963
1964 (% _msthash="536757" _msttexthash="1874951" %)
1965 == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1966
1967 [[image:image-20220615153355-1.png]]
1968
1969 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1970
1971 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1972
1973 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1974
1975 [[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1976
1977
1978 (((
1979 (% _msthash="736728" _msttexthash="67213055" %)
1980 (((
1981 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:red" %)**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.
1982 )))
1983 )))
1984
1985 (((
1986 (% _msthash="736729" _msttexthash="1907009" %)
1987 Input password and ATZ to activate LHT65N,As shown below:
1988
1989 [[image:image-20220615154519-3.png]]
1990
1991
1992 )))
1993
1994
1995 == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1996
1997 [[image:image-20220615153355-1.png]]
1998
1999 (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
2000
2001 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
2002
2003 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2004
2005 Use after connection， ground wire（1 < - -> GND  < - ->  Black） for 1s and then pull it out.Then restart the device.
2006
2007
2008 (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2009
2010 [[image:image-20220615170542-5.png]]
2011
2012
2013 (% _msthash="506146" _msttexthash="52173160" %)
2014 (% _istranslated="1" %)**Step2**(%%)：Download the LHT65N image files.
2015
2016
2017 (% _msthash="506147" _msttexthash="188083584" %)
2018 (% _istranslated="1" %)**Step3：**(%%)Select the serial port and baud rate of the device and the firmware to be upgraded.
2019
2020 [[image:image-20220615171334-6.png]]
2021
2022
2023 (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2024
2025
2026 )))
2027
2028 (% _mstvisible="1" %)
2029 = (% _msthash="183170" _msttexthash="13740740" _mstvisible="3" %)7. (%%)Order Info =
2030
2031 (% _mstvisible="1" %)
2032 (((
2033 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
2034 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
2035 )))
2036
2037 (% _mstvisible="1" %)
2038 (((
2039 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
2040 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
2041 )))
2042
2043 (% _mstvisible="1" %)
2044 * (% _mstvisible="3" %)
2045 (((
2046 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
2047 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2048 )))
2049 * (% _mstvisible="3" %)
2050 (((
2051 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
2052 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2053 )))
2054 * (% _mstvisible="3" %)
2055 (((
2056 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
2057 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2058 )))
2059 * (% _mstvisible="3" %)
2060 (((
2061 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
2062 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2063 )))
2064 * (% _mstvisible="3" %)
2065 (((
2066 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
2067 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2068 )))
2069 * (% _mstvisible="3" %)
2070 (((
2071 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
2072 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2073 )))
2074 * (% _mstvisible="3" %)
2075 (((
2076 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
2077 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2078 )))
2079 * (% _mstvisible="3" %)
2080 (((
2081 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
2082 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2083 )))
2084
2085 (% _mstvisible="1" %)
2086 (((
2087 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
2088 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
2089 )))
2090
2091 (% _mstvisible="1" %)
2092 * (% _mstvisible="3" %)
2093 (((
2094 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2095 (% style="color:red" %)**E3**(%%): External Temperature Probe
2096
2097
2098 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2099
2100 )))
2101
2102 (% _mstvisible="1" %)
2103 = (% _msthash="233363" _msttexthash="13823550" _mstvisible="3" %)8. (%%)Packing Info =
2104
2105 (% _mstvisible="1" %)
2106 (((
2107 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2108
2109
2110 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2111 (% _mstvisible="3" %)**Package Includes**(%%):
2112 )))
2113
2114 (% _mstvisible="1" %)
2115 * (% _mstvisible="3" %)
2116 (((
2117 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
2118 LHT65N Temperature & Humidity Sensor x 1
2119 )))
2120 * (% _mstvisible="3" %)
2121 (((
2122 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2123 Optional external sensor
2124 )))
2125
2126 (% _mstvisible="1" %)
2127 (((
2128 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
2129 (% _mstvisible="3" %)**Dimension and weight**(%%):
2130 )))
2131
2132 (% _mstvisible="1" %)
2133 * (% _mstvisible="3" %)
2134 (((
2135 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
2136 Device Size:  10 x 10 x 3.5 cm
2137 )))
2138 * (% _mstvisible="3" %)
2139 (((
2140 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
2141 Device Weight: 120.5g
2142 )))
2143
2144 (% _mstvisible="3" %)
2145 (((
2146
2147
2148 (% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
2149
2150 )))
2151
2152 = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
2153
2154 * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/home/Products_Public_Document/LoRaWAN%20End%20Node/LHT65N%20Temperature%20%26%20Humidity%20Sensor||_msthash="504975" _msttexthash="51420512"]]
2155
2156
2157
2158 = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2159
2160 (% _mstvisible="1" %)
2161 (((
2162 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
2163 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2164 )))
2165
2166 (% _mstvisible="1" %)
2167 (((
2168 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
2169 (1) This device may not cause harmful interference；
2170 )))
2171
2172 (% _mstvisible="1" %)
2173 (((
2174 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
2175 (2) this device must accept any interference received, including interference that may cause undesired operation.
2176 )))