Skip to Content
Version 148.25 by Xiaoling on 2022/06/17 15:11
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 (% _mstvisible="1" %)
82 == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
83
84 (% _mstvisible="1" %)
85 (((
86 (% _mstvisible="2" %)
87
88
89 (% _mstvisible="2" %)
90 (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
91 )))
92
93 (% _mstvisible="1" %)
94 * (% _mstvisible="3" %)
95 (((
96 (% _msthash="902993" _msttexthash="294424" _mstvisible="4" %)
97 Resolution: 0.01 °C
98 )))
99 * (% _mstvisible="3" %)
100 (((
101 (% _msthash="902994" _msttexthash="690664" _mstvisible="4" %)
102 Accuracy Tolerance : Typ ±0.3 °C
103 )))
104 * (% _mstvisible="3" %)
105 (((
106 (% _msthash="902995" _msttexthash="504647" _mstvisible="4" %)
107 Long Term Drift: < 0.02 °C/yr
108 )))
109 * (% _mstvisible="3" %)
110 (((
111 (% _msthash="902996" _msttexthash="478257" _mstvisible="4" %)
112 Operating Range: -40 ~~ 85 °C
113 )))
114
115 (% _mstvisible="1" %)
116 (((
117 (% _mstvisible="2" %)
118
119
120 (% _mstvisible="2" %)
121 (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
122 )))
123
124 (% _mstvisible="1" %)
125 * (% _mstvisible="3" %)
126 (((
127 (% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
128 Resolution: 0.04 %RH
129 )))
130 * (% _mstvisible="3" %)
131 (((
132 (% _msthash="902998" _msttexthash="628771" _mstvisible="4" %)
133 Accuracy Tolerance : Typ ±3 %RH
134 )))
135 * (% _mstvisible="3" %)
136 (((
137 (% _msthash="902999" _msttexthash="504647" _mstvisible="4" %)
138 Long Term Drift: < 0.02 °C/yr
139 )))
140 * (% _mstvisible="3" %)
141 (((
142 (% _msthash="903000" _msttexthash="421291" _mstvisible="4" %)
143 Operating Range: 0 ~~ 96 %RH
144 )))
145
146 (% _mstvisible="1" %)
147 (((
148 (% _mstvisible="2" %)
149
150
151 (% _mstvisible="2" %)
152 (% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
153 )))
154
155 (% _mstvisible="1" %)
156 * (% _mstvisible="3" %)
157 (((
158 (% _msthash="903001" _msttexthash="332254" _mstvisible="4" %)
159 Resolution: 0.0625 °C
160 )))
161 * (% _mstvisible="3" %)
162 (((
163 (% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
164 ±0.5°C accuracy from -10°C to +85°C
165 )))
166 * (% _mstvisible="3" %)
167 (((
168 (% _msthash="903003" _msttexthash="729482" _mstvisible="4" %)
169 ±2°C accuracy from -55°C to +125°C
170 )))
171 * (% _mstvisible="3" %)
172 (((
173 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
174 Operating Range: -55 °C ~~ 125 °C
175
176
177 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
178
179 )))
180
181 (% _mstvisible="1" %)
182 = (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) =
183
184 (% _mstvisible="1" %)
185 == (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
186
187 (% _mstvisible="1" %)
188 (((
189 (% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
190 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.
191 )))
192
193 (% _mstvisible="1" %)
194 (((
195 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
196 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.
197
198 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
199
200 )))
201
202 (% _mstvisible="1" %)
203 == (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT65N?(%%) ==
204
205 (% _msthash="315239" _msttexthash="748241" _mstvisible="1" %)
206 The LHT65N has two working modes:
207
208 (% _mstvisible="1" %)
209 * (% 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.
210 * (% 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. 
211
212 (% _mstvisible="1" %)
213 (((
214 (% _msthash="506062" _msttexthash="6036823" _mstvisible="2" %)
215 The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
216 )))
217
218 (% _mstvisible="1" %)
219 [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
220
221 (% _mstvisible="1" %)
222 [[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
223
224
225 (% _mstvisible="1" %)
226 == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
227
228 (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
229 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.
230
231 (% _mstvisible="1" class="wikigeneratedid" %)
232 [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
233
234 (% _msthash="315241" _msttexthash="10802155" _mstvisible="1" %)
235 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:
236
237
238 (% _mstvisible="1" %)
239 === (% _msthash="670592" _msttexthash="634075" _mstvisible="3" %)2.3.1 Step 1: Create Device n TTN(%%) ===
240
241 (% _msthash="315242" _msttexthash="1601782" _mstvisible="1" %)
242 Create a device in TTN V3 with the OTAA keys from LHT65N.
243
244 (% _msthash="315243" _msttexthash="3694444" _mstvisible="1" %)
245 Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
246
247 (% _mstvisible="1" %)
248 [[image:image-20220617150003-1.jpeg]]
249
250 (% _msthash="315244" _msttexthash="3659149" _mstvisible="1" %)
251 User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
252
253 (% _msthash="315245" _msttexthash="642889" _mstvisible="1" %)
254 Add APP EUI in the application.
255
256 (% _mstvisible="1" %)
257 [[image:image-20220522232916-3.png||_mstalt="430495" _mstvisible="3"]]
258
259 (% _mstvisible="1" %)
260 [[image:image-20220522232932-4.png||_mstalt="430157" _mstvisible="3"]]
261
262 (% _mstvisible="1" %)
263 [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
264
265 (% _msthash="315246" _msttexthash="878800" _mstvisible="1" %)
266 Note: LHT65N use same payload as LHT65.
267
268 (% _mstvisible="1" %)
269 [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
270
271
272 (% _msthash="315247" _msttexthash="595543" _mstvisible="1" %)
273 Input APP EUI,  APP KEY and DEV EUI:
274
275 (% _mstvisible="1" %)
276 [[image:image-20220522233118-7.png||_mstalt="430430" _mstvisible="3"]]
277
278
279
280 (% _mstvisible="1" %)
281 === (% _msthash="3537456" _msttexthash="3448549" _mstvisible="3" %)2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds.(%%) ===
282
283 (% _msthash="315248" _msttexthash="14452321" _mstvisible="1" %)
284 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.
285
286 (% _mstvisible="1" %)
287 [[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
288
289
290
291 (% _mstvisible="1" %)
292 == (% _msthash="320879" _msttexthash="294970" _mstvisible="3" %)2.4 Uplink Payload(%%) ==
293
294 (% _msthash="315249" _msttexthash="7722962" _mstvisible="1" %)
295 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.
296
297 (% _msthash="315250" _msttexthash="1322711" _mstvisible="1" %)
298 After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
299
300 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:426px" %)
301 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 97px;" %)(% _mstvisible="5" %)
302 (((
303 (% _mstvisible="6" %)
304 (% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
305 )))|=(% _mstvisible="4" style="width: 39px;" %)(% _mstvisible="5" %)
306 (((
307 (% _mstvisible="6" %)
308 (% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2**
309 )))|=(% _mstvisible="4" style="width: 100px;" %)(% _mstvisible="5" %)
310 (((
311 (% _mstvisible="6" %)
312 (% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2**
313 )))|=(% _mstvisible="4" style="width: 77px;" %)(% _mstvisible="5" %)
314 (((
315 (% _mstvisible="6" %)
316 (% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2**
317 )))|=(% _mstvisible="4" style="width: 47px;" %)(% _mstvisible="5" %)
318 (((
319 (% _mstvisible="6" %)
320 (% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1**
321 )))|=(% _mstvisible="4" style="width: 51px;" %)(% _mstvisible="5" %)
322 (((
323 (% _mstvisible="6" %)
324 (% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4**
325 )))
326 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
327 (((
328 (% _mstvisible="6" %)
329 (% _msthash="1817484" _msttexthash="60203" _mstvisible="8" %)**Value**
330 )))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %)
331 (((
332 (% _mstvisible="6" %)
333 [[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594" _mstvisible="7"]]
334 )))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
335 (((
336 (% _mstvisible="6" %)
337 (((
338 (% _mstvisible="7" %)
339 [[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769" _mstvisible="8"]]
340 )))
341 )))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
342 (((
343 (% _mstvisible="6" %)
344 (((
345 (% _mstvisible="7" %)
346 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872" _mstvisible="8"]]
347 )))
348
349 (% _mstvisible="6" %)
350 (((
351 (% _mstvisible="7" %)
352 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429" _mstvisible="8"]]
353 )))
354 )))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %)
355 (((
356 (% _mstvisible="6" %)
357 [[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331" _mstvisible="7"]] #
358 )))|(% _mstvisible="4" style="width:51px" %)(% _mstvisible="5" %)
359 (((
360 (% _mstvisible="6" %)
361 [[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545" _mstvisible="7"]]
362 )))
363
364 (% _mstvisible="1" %)
365 * The First 6 bytes: has fix meanings for every LHT65N.
366 * The 7th byte (EXT #): defines the external sensor model.
367 * 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.)
368
369
370 (% _mstvisible="1" %)
371 === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
372
373 (% _msthash="315251" _msttexthash="9786491" _mstvisible="1" %)
374 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.
375
376 (% _msthash="315252" _msttexthash="3928483" _mstvisible="1" %)
377 Below is the position to put the decoder and LHT65N decoder can be download from here:
378
379 (% _mstvisible="1" %)
380 [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
381
382 (% _mstvisible="1" %)
383 [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
384
385
386
387 (% _mstvisible="1" %)
388 === (% _msthash="411411" _msttexthash="383656" _mstvisible="3" %)2.4.2 BAT-Battery Info(%%) ===
389
390 (% _msthash="315254" _msttexthash="3122912" _mstvisible="1" %)
391 These two bytes of BAT include the battery state and the actually voltage
392
393 (% _mstvisible="1" %)
394 [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
395
396 (% _mstvisible="1" %)
397 [[image:image-20220522235639-1.png||_mstalt="431392" _mstvisible="3" height="139" width="727"]]
398
399 (% _msthash="315255" _msttexthash="871611" _mstvisible="1" %)
400 Check the battery voltage for LHT65N.
401
402 (% _mstvisible="1" %)
403 * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
404 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
405
406
407 (% _mstvisible="1" %)
408 === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
409
410 (% _mstvisible="1" %)
411 [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
412
413 (% _mstvisible="1" %)
414 * Temperature:  0x0ABB/100=27.47℃
415
416 (% _mstvisible="1" %)
417 [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
418
419 (% _mstvisible="1" %)
420 * Temperature:  (0xF5C6-65536)/100=-26.18℃
421
422
423 (% _mstvisible="1" %)
424 === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
425
426 (% _mstvisible="1" %)
427 [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
428
429 (% _mstvisible="1" %)
430 * Humidity:    0x025C/10=60.4%
431
432
433 (% _mstvisible="1" %)
434 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
435
436 (% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
437 Bytes for External Sensor:
438
439 (% _mstvisible="1" %)
440 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
441
442
443 (% _mstvisible="1" %)
444 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
445
446 (% _mstvisible="1" %)
447 ==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
448
449 (% _mstvisible="1" %)
450 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
451
452
453 (% _mstvisible="1" %)
454 * DS18B20 temp=0x0ADD/100=27.81℃
455
456 (% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
457 The last 2 bytes of data are meaningless
458
459 (% _mstvisible="1" %)
460 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
461
462
463 (% _mstvisible="1" %)
464 * External temperature= (0xF54F-65536)/100=-27.37℃
465
466 (% _mstvisible="1" %)
467 (((
468 (% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
469 The last 2 bytes of data are meaningless
470 )))
471
472 (% _mstvisible="1" %)
473 (((
474 (% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
475 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
476 )))
477
478
479
480 (% _mstvisible="1" %)
481 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
482
483 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
484 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:
485
486 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
487 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
488 (((
489 (% _mstvisible="6" %)
490 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
491 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
492 (((
493 (% _mstvisible="6" %)
494 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
495 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
496 (((
497 (% _mstvisible="6" %)
498 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
499 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
500 (((
501 (% _mstvisible="6" %)
502 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
503 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
504 (((
505 (% _mstvisible="6" %)
506 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
507 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
508 (((
509 (% _mstvisible="6" %)
510 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
511 )))
512 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
513 (((
514 (% _mstvisible="6" %)
515 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
516 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
517 (((
518 (% _mstvisible="6" %)
519 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
520 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
521 (((
522 (% _mstvisible="6" %)
523 (((
524 (% _mstvisible="7" %)
525 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
526 )))
527
528 (% _mstvisible="6" %)
529 (((
530 (% _mstvisible="7" %)
531 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
532 )))
533 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
534 (((
535 (% _mstvisible="6" %)
536 (((
537 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
538 BAT Status &
539 )))
540
541 (% _mstvisible="6" %)
542 (((
543 (% _mstvisible="7" %)
544 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
545 )))
546 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
547 (((
548 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
549 Status & Ext
550 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
551 (((
552 (% _mstvisible="6" %)
553 (((
554 (% _mstvisible="7" %)
555 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
556 )))
557 )))
558
559 (% _mstvisible="1" %)
560 * (% _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**
561
562 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
563 (% _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]
564 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
565 (((
566 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
567 BAT Status
568
569 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
570 00(b): Ultra Low ( BAT <= 2.50v)
571
572 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
573 01(b): Low  (2.50v <=BAT <= 2.55v)
574
575 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
576 10(b): OK   (2.55v <= BAT <=2.65v)
577
578 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
579 11(b): Good   (BAT >= 2.65v)
580 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
581 (((
582 (% _mstvisible="6" %)
583 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
584
585 (% _mstvisible="6" %)
586
587 )))
588
589 (% _mstvisible="1" %)
590 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
591
592 (% _mstvisible="1" %)
593 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
594
595 (% _mstvisible="1" %)
596 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
597 * 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.
598 * 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)
599
600
601 (% _mstvisible="1" %)
602 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
603
604 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
605 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:
606
607 (% _mstvisible="1" %)
608 (((
609 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
610 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
611 )))
612
613 (% _mstvisible="1" %)
614 (((
615 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
616 (% _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.
617 )))
618
619 (% _mstvisible="1" %)
620 (((
621 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
622 Add Datacake:
623 )))
624
625 (% _mstvisible="1" %)
626 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
627
628
629 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
630 Select default key as Access Key:
631
632 (% _mstvisible="1" %)
633 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
634
635 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
636 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
637
638 (% _mstvisible="1" %)
639 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
640
641 (% _mstvisible="1" %)
642 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
643
644
645
646 (% _mstvisible="1" %)
647 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
648
649 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
650 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.
651
652
653 (% _mstvisible="1" %)
654 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
655
656 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
657 There are two methods:
658
659 (% _mstvisible="1" %)
660 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
661 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.
662
663
664 (% _mstvisible="1" %)
665 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
666
667 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
668 LHT65N uses Unix TimeStamp format based on
669
670 (% _mstvisible="1" %)
671 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
672
673
674 (% _mstvisible="1" %)
675 (((
676 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
677 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
678 )))
679
680 (% _mstvisible="1" %)
681 (((
682 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
683 Below is the converter example
684 )))
685
686 (% _mstvisible="1" %)
687 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
688
689 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
690 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
691
692
693 (% _mstvisible="1" %)
694 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
695
696 (% _mstvisible="1" %)
697 (((
698 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
699 There are two ways to set device’s time:
700 )))
701
702 (% _mstvisible="1" %)
703 (((
704 (% _mstvisible="2" %)
705 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
706 )))
707
708 (% _mstvisible="1" %)
709 (((
710 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
711 User need to set SYNCMOD=1 to enable sync time via MAC command.
712 )))
713
714 (% _mstvisible="1" %)
715 (((
716 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
717 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).
718 )))
719
720 (% _mstvisible="1" %)
721 (((
722 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
723 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.
724 )))
725
726 (% _mstvisible="1" %)
727 (((
728 (% _mstvisible="2" %)
729
730 )))
731
732 (% _mstvisible="1" %)
733 (((
734 (% _mstvisible="2" %)
735 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
736 )))
737
738 (% _mstvisible="1" %)
739 (((
740 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
741 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
742
743 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
744
745 )))
746
747 (% _mstvisible="1" %)
748 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
749
750 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
751 User can poll sensor value based on timestamps from the server. Below is the downlink command.
752
753 (% _mstvisible="1" %)
754 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
755
756 (% _mstvisible="1" %)
757 (((
758 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
759 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.
760 )))
761
762 (% _mstvisible="1" %)
763 (((
764 (% _mstvisible="2" %)
765 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
766 )))
767
768 (% _mstvisible="1" %)
769 (((
770 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
771 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
772 )))
773
774 (% _mstvisible="1" %)
775 (((
776 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
777 Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
778 )))
779
780
781 (% _mstvisible="1" %)
782 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
783
784 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
785 The Datalog poll reply uplink will use below payload format.
786
787 (% _mstvisible="1" %)
788 (((
789 (% _mstvisible="2" %)
790 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
791 )))
792
793 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
794 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
795 (((
796 (% _mstvisible="6" %)
797 (((
798 (% _mstvisible="7" %)
799 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
800 )))
801 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
802 (((
803 (% _mstvisible="6" %)
804 (((
805 (% _mstvisible="7" %)
806 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
807 )))
808 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
809 (((
810 (% _mstvisible="6" %)
811 (((
812 (% _mstvisible="7" %)
813 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
814 )))
815 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
816 (((
817 (% _mstvisible="6" %)
818 (((
819 (% _mstvisible="7" %)
820 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
821 )))
822 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
823 (((
824 (% _mstvisible="6" %)
825 (((
826 (% _mstvisible="7" %)
827 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
828 )))
829 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
830 (((
831 (% _mstvisible="6" %)
832 (((
833 (% _mstvisible="7" %)
834 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
835 )))
836 )))
837 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
838 (((
839 (% _mstvisible="6" %)
840 (((
841 (% _mstvisible="7" %)
842 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
843 )))
844 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
845 (((
846 (% _mstvisible="6" %)
847 (((
848 (% _mstvisible="7" %)
849 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
850 )))
851 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
852 (((
853 (% _mstvisible="6" %)
854 (((
855 (% _mstvisible="7" %)
856 (((
857 (% _mstvisible="8" %)
858 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
859 )))
860 )))
861
862 (% _mstvisible="6" %)
863 (((
864 (% _mstvisible="7" %)
865 (((
866 (% _mstvisible="8" %)
867 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
868 )))
869 )))
870 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
871 (((
872 (% _mstvisible="6" %)
873 (((
874 (% _mstvisible="7" %)
875 (((
876 (% _mstvisible="8" %)
877 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
878 )))
879 )))
880
881 (% _mstvisible="6" %)
882 (((
883 (% _mstvisible="7" %)
884 (((
885 (% _mstvisible="8" %)
886 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
887 )))
888 )))
889 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
890 (((
891 (% _mstvisible="6" %)
892 (((
893 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
894 Poll message flag & Ext
895 )))
896 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
897 (((
898 (% _mstvisible="6" %)
899 (((
900 (% _mstvisible="7" %)
901 (((
902 (% _mstvisible="8" %)
903 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
904 )))
905 )))
906
907 (% _mstvisible="6" %)
908 (((
909 (% _mstvisible="7" %)
910 (((
911 (% _mstvisible="8" %)
912
913 )))
914 )))
915 )))
916
917 (% _mstvisible="1" %)
918 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
919
920 (% _mstvisible="1" %)
921 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
922
923 (% _mstvisible="1" %)
924 (((
925 (% _mstvisible="2" %)
926 (((
927 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
928 Poll Message Flag: 1: This message is a poll message reply.
929 )))
930 )))
931
932 (% _mstvisible="1" %)
933 * (% _mstvisible="3" %)
934 (((
935 (% _mstvisible="4" %)
936 (((
937 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
938 Poll Message Flag is set to 1.
939 )))
940 )))
941 * (% _mstvisible="3" %)
942 (((
943 (% _mstvisible="4" %)
944 (((
945 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
946 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
947 )))
948 )))
949
950 (% _mstvisible="1" %)
951 (((
952 (% _mstvisible="2" %)
953 (((
954 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
955
956
957 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
958 For example, in US915 band, the max payload for different DR is:
959 )))
960 )))
961
962 (% _mstvisible="1" %)
963 (((
964 (% _mstvisible="2" %)
965 (((
966 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
967 a) DR0: max is 11 bytes so one entry of data
968 )))
969 )))
970
971 (% _mstvisible="1" %)
972 (((
973 (% _mstvisible="2" %)
974 (((
975 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
976 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
977 )))
978 )))
979
980 (% _mstvisible="1" %)
981 (((
982 (% _mstvisible="2" %)
983 (((
984 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
985 c) DR2: total payload includes 11 entries of data
986 )))
987 )))
988
989 (% _mstvisible="1" %)
990 (((
991 (% _mstvisible="2" %)
992 (((
993 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
994 d) DR3: total payload includes 22 entries of data.
995 )))
996 )))
997
998 (% _mstvisible="1" %)
999 (((
1000 (% _mstvisible="2" %)
1001 (((
1002 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1003 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1004 )))
1005 )))
1006
1007
1008 (% _mstvisible="1" style="text-align: left;" %)
1009 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
1010
1011 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
1012 If LHT65N has below data inside Flash:
1013
1014 (% _mstvisible="1" %)
1015 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
1016
1017 (% _mstvisible="1" %)
1018 (((
1019 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
1020 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
1021 )))
1022
1023 (% _mstvisible="1" %)
1024 (((
1025 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
1026 Where : Start time: 60065F97 = time 21/1/19 04:27:03
1027 )))
1028
1029 (% _mstvisible="1" %)
1030 (((
1031 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
1032 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1033 )))
1034
1035 (% _mstvisible="1" %)
1036 (((
1037 (% _mstvisible="2" %)
1038
1039 )))
1040
1041 (% _mstvisible="1" %)
1042 (((
1043 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1044 LHT65N will uplink this payload.
1045 )))
1046
1047 (% _mstvisible="1" %)
1048 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1049
1050 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1051 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1052
1053 (% _msthash="315237" _msttexthash="1385839" %)
1054 Where the first 11 bytes is for the first entry:
1055
1056 (% _msthash="315238" _msttexthash="274846" %)
1057 7FFF089801464160065F97
1058
1059 (% _msthash="315239" _msttexthash="617435" %)
1060 Ext sensor data=0x7FFF/100=327.67
1061
1062 (% _msthash="315240" _msttexthash="270543" %)
1063 Temp=0x0898/100=22.00
1064
1065 (% _msthash="315241" _msttexthash="211783" %)
1066 Hum=0x0146/10=32.6
1067
1068 (% _msthash="315242" _msttexthash="1569776" %)
1069 poll message flag & Ext=0x41,means reply data,Ext=1
1070
1071 (% _msthash="315243" _msttexthash="1120509" %)
1072 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1073
1074
1075 (% _mstvisible="1" style="text-align: left;" %)
1076 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1077
1078 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1079 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.
1080
1081 (% _mstvisible="1" %)
1082 (((
1083 (% _mstvisible="2" style="text-align: left;" %)
1084 (% _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.
1085 )))
1086
1087 (% _mstvisible="1" style="text-align: left;" %)
1088 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1089
1090 (% _mstvisible="1" class="box infomessage" %)
1091 (((
1092 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1093 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%):  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1094
1095 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1096 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%):  The interval between checking the alarm temperature. (In minutes)
1097
1098 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1099 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%):  Gets or sets the alarm range of the internal temperature sensor
1100
1101 (% _mstvisible="2" style="text-align: left;" %)
1102 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%):  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1103
1104 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1105 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%):  Set the internal temperature sensor alarm range from 45 to 105.
1106 )))
1107
1108
1109
1110 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1111 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1112
1113 (% _mstvisible="1" %)
1114 (((
1115 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1116 The LHT65 has a triple color LED which for easy showing different stage .
1117
1118 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1119 While user press ACT button, the LED will work as per LED status with ACT button.
1120 )))
1121
1122 (% _mstvisible="1" %)
1123 (((
1124 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1125 In a normal working state:
1126 )))
1127
1128 (% _mstvisible="1" %)
1129 * (% _mstvisible="3" %)
1130 (((
1131 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1132 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1133
1134 (% _msthash="197771" _msttexthash="1202526" %)
1135 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1136 )))
1137 * (% _mstvisible="3" %)
1138 (((
1139 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1140 RED LED when external sensor is not connected
1141 )))
1142 * (% _mstvisible="3" %)
1143 (((
1144 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1145 For each success downlink, the PURPLE LED will blink once
1146
1147
1148
1149 )))
1150
1151 (% _mstvisible="1" style="text-align: left;" %)
1152 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1153
1154 (% _mstvisible="1" %)
1155 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1156
1157
1158 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
1159 = (% _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(%%) =
1160
1161 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1162 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1163
1164 (% _mstvisible="1" %)
1165 [[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"]]
1166
1167
1168 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1169 Temperature sensor with 2 meters cable long
1170
1171 (% _mstvisible="1" %)
1172 * Resolution: 0.0625 °C
1173 * ±0.5°C accuracy from -10°C to +85°C
1174 * ±2°C accuracy from -55°C to +125°C
1175 * Operating Range: -40 ~~ 125 °C
1176 * -55°C to 125°C
1177 * Working voltage 2.35v ~~ 5v
1178
1179
1180 (% _mstvisible="1" style="text-align: left;" %)
1181 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1182
1183 (% _mstvisible="1" %)
1184 (((
1185 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1186 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1187 )))
1188
1189 (% _mstvisible="1" %)
1190 * (% _mstvisible="3" %)
1191 (((
1192 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1193 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1194 )))
1195 * (% _mstvisible="3" %)
1196 (((
1197 (% _msthash="903319" _msttexthash="3225859" _mstvisible="4" %)
1198 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1199 )))
1200
1201 (% _mstvisible="1" %)
1202 (((
1203 (% _mstvisible="2" style="text-align: left;" %)
1204
1205 )))
1206
1207 (% _mstvisible="1" %)
1208 (((
1209 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1210 There are two kinds of commands to configure LHT65N, they are:
1211 )))
1212
1213 (% _mstvisible="1" %)
1214 (((
1215 (% _mstvisible="2" style="text-align: left;" %)
1216 (% _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" %).
1217 )))
1218
1219 (% _mstvisible="1" %)
1220 (((
1221 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1222 These commands are to configure:
1223 )))
1224
1225 (% _mstvisible="1" %)
1226 * (% _mstvisible="3" %)
1227 (((
1228 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1229 General system settings like: uplink interval.
1230 )))
1231 * (% _mstvisible="3" %)
1232 (((
1233 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1234 LoRaWAN protocol & radio-related commands.
1235 )))
1236
1237 (% _mstvisible="1" %)
1238 (((
1239 (% _msthash="506251" _msttexthash="12349142" _mstvisible="2" style="text-align: left;" %)
1240 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]]
1241 )))
1242
1243 (% _mstvisible="1" %)
1244 (((
1245 (% _mstvisible="2" style="text-align: left;" %)
1246
1247 )))
1248
1249 (% _mstvisible="1" %)
1250 (((
1251 (% _mstvisible="2" style="text-align: left;" %)
1252 (% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**Commands special design for LHT65N**
1253 )))
1254
1255 (% _mstvisible="1" %)
1256 (((
1257 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1258 These commands are only valid for LHT65N, as below:
1259
1260
1261 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1262
1263 )))
1264
1265 (% _mstvisible="1" style="text-align: left;" %)
1266 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1267
1268 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1269 Feature: Change LoRaWAN End Node Transmit Interval.
1270
1271 (% _mstvisible="1" style="text-align: left;" %)
1272 (% _msthash="315244" _msttexthash="241696" style="color:#4f81bd" %)**AT Command: AT+TDC**
1273
1274 (% _mstvisible="1" %)
1275 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1276
1277 (% _mstvisible="1" %)
1278 (((
1279 (% _mstvisible="2" style="text-align: left;" %)
1280
1281
1282 (% _mstvisible="2" style="text-align: left;" %)
1283 (% _msthash="506055" _msttexthash="381992" style="color:#4f81bd" %)**Downlink Command: 0x01**
1284 )))
1285
1286 (% _mstvisible="1" %)
1287 (((
1288 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1289 Format: Command Code (0x01) followed by 3 bytes time value.
1290 )))
1291
1292 (% _mstvisible="1" %)
1293 (((
1294 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1295 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1296 )))
1297
1298 (% _mstvisible="1" %)
1299 * (% _mstvisible="3" %)
1300 (((
1301 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1302 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1303 )))
1304 * (% _mstvisible="3" %)
1305 (((
1306 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1307 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1308
1309
1310 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1311
1312 )))
1313
1314 (% _mstvisible="1" style="text-align: left;" %)
1315 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1316
1317 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1318 Feature: Change External Sensor Mode.
1319
1320 (% _mstvisible="1" style="text-align: left;" %)
1321 (% _msthash="315245" _msttexthash="248118" style="color:#4f81bd" %)**AT Command: AT+EXT**
1322
1323 (% _mstvisible="1" %)
1324 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1325
1326 (% _mstvisible="1" %)
1327 (((
1328 (% _mstvisible="2" style="text-align: left;" %)
1329
1330
1331 (% _mstvisible="2" style="text-align: left;" %)
1332 (% _msthash="506056" _msttexthash="387855" style="color:#4f81bd" %)**Downlink Command: 0xA2**
1333 )))
1334
1335 (% _mstvisible="1" %)
1336 (((
1337 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1338 Total bytes: 2 ~~ 5 bytes
1339 )))
1340
1341 (% _mstvisible="1" %)
1342 (((
1343 (% _mstvisible="2" %)
1344 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1345 )))
1346
1347 (% _mstvisible="1" %)
1348 * (% _mstvisible="3" %)
1349 (((
1350 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1351 0xA201: Set external sensor type to E1
1352 )))
1353 * (% _mstvisible="3" %)
1354 (((
1355 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1356 0xA209: Same as AT+EXT=9
1357 )))
1358 * (% _mstvisible="3" %)
1359 (((
1360 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1361 0xA20702003c,Same as AT+SETCNT=60
1362
1363
1364 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1365
1366 )))
1367
1368 (% _mstvisible="1" style="text-align: left;" %)
1369 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1370
1371 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1372 Feature: If PID is enabled, device will send the temperature probe ID on:
1373
1374 (% _mstvisible="1" %)
1375 * First Packet after OTAA Join
1376 * Every 24 hours since the first packet.
1377
1378 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1379 PID is default set to disable (0)
1380
1381 (% _mstvisible="1" style="text-align: left;" %)
1382 (% _msthash="315246" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1383
1384 (% _mstvisible="1" %)
1385 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1386
1387
1388 (% _mstvisible="1" style="text-align: left;" %)
1389 (% _msthash="315247" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1390
1391 (% _mstvisible="1" %)
1392 * 0xA800  **~-~->** AT+PID=0
1393 * 0xA801     **~-~->** AT+PID=1
1394
1395
1396 (% _mstvisible="1" style="text-align: left;" %)
1397 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1398
1399 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1400 Feature: Set device password, max 9 digits
1401
1402 (% _mstvisible="1" style="text-align: left;" %)
1403 (% _msthash="315248" _msttexthash="295009" style="color:#4f81bd" %)**AT Command: AT+PWORD**
1404
1405 (% _mstvisible="1" %)
1406 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1407
1408 (% _mstvisible="1" %)
1409 (((
1410 (% _mstvisible="2" style="text-align: left;" %)
1411
1412
1413 (% _mstvisible="2" style="text-align: left;" %)
1414 (% _msthash="506057" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1415 )))
1416
1417 (% _mstvisible="1" %)
1418 (((
1419 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1420 No downlink command for this feature.
1421
1422 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1423
1424 )))
1425
1426 (% _mstvisible="1" style="text-align: left;" %)
1427 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1428
1429 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1430 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1431
1432 (% _mstvisible="1" style="text-align: left;" %)
1433 (% _msthash="315249" _msttexthash="289120" style="color:#4f81bd" %)**AT Command: AT+DISAT**
1434
1435 (% _mstvisible="1" %)
1436 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1437
1438
1439 (% _mstvisible="1" style="text-align: left;" %)
1440 (% _msthash="315250" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1441
1442 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1443 No downlink command for this feature.
1444
1445
1446 (% _mstvisible="1" style="text-align: left;" %)
1447 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1448
1449 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1450 Feature: Set device to sleep mode
1451
1452 * AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1453 * AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1454
1455 (% _mstvisible="1" style="text-align: left;" %)
1456 (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1457
1458 (% _mstvisible="1" %)
1459 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1460
1461 (% _mstvisible="1" %)
1462 (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1463
1464 (% _mstvisible="1" %)
1465 * There is no downlink command to set to Sleep mode.
1466
1467
1468 (% _mstvisible="1" %)
1469 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1470
1471 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1472 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1473
1474 (% _mstvisible="1" %)
1475 (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1476
1477 (% _mstvisible="1" %)
1478 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1479
1480
1481 (% _mstvisible="1" %)
1482 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1483
1484 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1485 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1486
1487
1488 (% _mstvisible="1" %)
1489 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1490
1491 (% _mstvisible="1" %)
1492 (((
1493 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1494 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1495 )))
1496
1497 (% _mstvisible="1" %)
1498 (((
1499 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1500 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.
1501 )))
1502
1503 (% _mstvisible="1" %)
1504 (((
1505 (% _mstvisible="2" %)
1506 (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1507 )))
1508
1509 (% _mstvisible="1" %)
1510 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1511
1512
1513 (% _mstvisible="1" %)
1514 (% _msthash="315255" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1515
1516 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1517 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1518
1519 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1520 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1521
1522
1523 (% _mstvisible="1" %)
1524 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1525
1526 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1527 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1528
1529 (% _mstvisible="1" %)
1530 (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1531
1532 (% _mstvisible="1" %)
1533 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1534
1535
1536 (% _mstvisible="1" %)
1537 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1538
1539 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1540 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1541
1542
1543 (% _mstvisible="1" %)
1544 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1545
1546 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1547 Feature: Print the sector data from start page to stop page (max is 416 pages).
1548
1549 (% _mstvisible="1" %)
1550 (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1551
1552 (% _mstvisible="1" %)
1553 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1554
1555
1556 (% _mstvisible="1" %)
1557 (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1558
1559 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1560 No downlink commands for feature
1561
1562
1563 (% _mstvisible="1" %)
1564 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1565
1566 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1567 Feature: Print the last few data entries
1568
1569 (% _mstvisible="1" %)
1570 (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1571
1572 (% _mstvisible="1" %)
1573 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1574
1575
1576 (% _mstvisible="1" %)
1577 (% _msthash="315261" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1578
1579 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1580 No downlink commands for feature
1581
1582
1583 (% _mstvisible="1" %)
1584 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1585
1586 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1587 Feature: Clear flash storage for data log feature.
1588
1589 (% _mstvisible="1" %)
1590 (% _msthash="315262" _msttexthash="311415" style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1591
1592 (% _mstvisible="1" %)
1593 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1594
1595
1596 (% _mstvisible="1" %)
1597 (% _msthash="315263" _msttexthash="388193" style="color:#4f81bd" %)**Downlink Command: 0xA3**
1598
1599 (% _mstvisible="1" %)
1600 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1601
1602
1603 (% _mstvisible="1" %)
1604 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1605
1606 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1607 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.
1608
1609
1610 (% _mstvisible="1" %)
1611 (% _msthash="315264" _msttexthash="334256" style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1612
1613 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1614 The default factory setting is 0
1615
1616 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1617 (% _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**
1618 (% _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
1619
1620 (% _mstvisible="1" %)
1621 (% _msthash="315265" _msttexthash="383981" style="color:#4f81bd" %)**Downlink Command: 0x34**
1622
1623 (% _mstvisible="1" %)
1624 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1625
1626
1627 (% _mstvisible="1" %)
1628 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1629
1630 (% _mstvisible="1" %)
1631 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1632
1633 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1634 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.
1635
1636 (% _mstvisible="1" %)
1637 (((
1638 (% _mstvisible="2" %)
1639 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1640 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1641 )))
1642
1643 (% _mstvisible="1" %)
1644 (((
1645 (% _mstvisible="2" %)
1646 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1647
1648 )))
1649
1650 (% _mstvisible="1" %)
1651 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1652
1653 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1654 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.
1655
1656 (% _mstvisible="1" %)
1657 [[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"]]
1658
1659
1660 (% _mstvisible="1" %)
1661 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1662
1663 (% _mstvisible="1" %)
1664 (((
1665 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1666 (((
1667 (% _msthash="736723" _msttexthash="35479028" %)
1668 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:
1669 [[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]]
1670 )))
1671
1672 (((
1673
1674 )))
1675
1676 (((
1677 (% _msthash="736724" _msttexthash="12045098" %)
1678 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]]
1679 )))
1680
1681
1682 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1683 = (% _msthash="183170" _msttexthash="37921" _mstvisible="3" %)6. FAQ(%%) =
1684
1685 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1686 == (% _msthash="491075" _msttexthash="437463" %)6.1 How to use AT Command?(%%) ==
1687
1688 (((
1689 (% _msthash="736725" _msttexthash="9345674" %)
1690 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.
1691 )))
1692
1693 [[image:image-20220530085651-1.png||_mstalt="429949"]]
1694
1695
1696 (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1697
1698 (% _msthash="506062" _msttexthash="1187732" %)
1699 **✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1700
1701 (% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1702
1703 (% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1704
1705 (% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1706
1707
1708 (((
1709 (% _msthash="736726" _msttexthash="67213055" %)
1710 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.
1711 )))
1712
1713 (((
1714 (% _msthash="736727" _msttexthash="1907009" %)
1715 Input password and ATZ to activate LHT65N,As shown below:
1716 )))
1717
1718 [[image:image-20220530095701-4.png||_mstalt="430014"]]
1719
1720
1721 (% _msthash="506066" _msttexthash="544869" %)
1722 AT Command List is as below:
1723
1724 (% _msthash="506067" _msttexthash="361920" %)
1725 AT+<CMD>? :  Help on <CMD>
1726
1727 (% _msthash="506068" _msttexthash="243061" %)
1728 AT+<CMD> :  Run <CMD>
1729
1730 (% _msthash="506069" _msttexthash="704197" %)
1731 AT+<CMD>=<value> :  Set the value
1732
1733 (% _msthash="506070" _msttexthash="455676" %)
1734 AT+<CMD>=? :  Get the value
1735
1736 (% _msthash="506071" _msttexthash="670553" %)
1737 AT+DEBUG:  Set more info output
1738
1739 (% _msthash="506072" _msttexthash="485888" %)
1740 ATZ:  Trig a reset of the MCU
1741
1742 (% _msthash="506073" _msttexthash="2068872" %)
1743 AT+FDR:  Reset Parameters to Factory Default, Keys Reserve
1744
1745 (% _msthash="506074" _msttexthash="689169" %)
1746 AT+DEUI:  Get or Set the Device EUI
1747
1748 (% _msthash="506075" _msttexthash="960414" %)
1749 AT+DADDR:  Get or Set the Device Address
1750
1751 (% _msthash="506076" _msttexthash="1079897" %)
1752 AT+APPKEY:  Get or Set the Application Key
1753
1754 (% _msthash="506077" _msttexthash="1326143" %)
1755 AT+NWKSKEY:  Get or Set the Network Session Key
1756
1757 (% _msthash="506078" _msttexthash="1573000" %)
1758 AT+APPSKEY:  Get or Set the Application Session Key
1759
1760 (% _msthash="506079" _msttexthash="1041729" %)
1761 AT+APPEUI:  Get or Set the Application EUI
1762
1763 (% _msthash="506080" _msttexthash="2104206" %)
1764 AT+ADR:  Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1765
1766 (% _msthash="506081" _msttexthash="3369288" %)
1767 AT+TXP:  Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1768
1769 (% _msthash="506082" _msttexthash="1894529" %)
1770 AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1771
1772 (% _msthash="506083" _msttexthash="3864172" %)
1773 AT+DCS:  Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1774
1775 (% _msthash="506084" _msttexthash="1712204" %)
1776 AT+PNM:  Get or Set the public network mode. (0: off, 1: on)
1777
1778 (% _msthash="506085" _msttexthash="1281202" %)
1779 AT+RX2FQ:  Get or Set the Rx2 window frequency
1780
1781 (% _msthash="506086" _msttexthash="2796781" %)
1782 AT+RX2DR:  Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1783
1784 (% _msthash="506087" _msttexthash="3285165" %)
1785 AT+RX1DL:  Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1786
1787 (% _msthash="506088" _msttexthash="3286179" %)
1788 AT+RX2DL:  Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1789
1790 (% _msthash="506089" _msttexthash="4703803" %)
1791 AT+JN1DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1792
1793 (% _msthash="506090" _msttexthash="4704999" %)
1794 AT+JN2DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1795
1796 (% _msthash="506091" _msttexthash="1528683" %)
1797 AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1798
1799 (% _msthash="506092" _msttexthash="757185" %)
1800 AT+NWKID:  Get or Set the Network ID
1801
1802 (% _msthash="506093" _msttexthash="1156597" %)
1803 AT+FCU:  Get or Set the Frame Counter Uplink
1804
1805 (% _msthash="506094" _msttexthash="1273987" %)
1806 AT+FCD:  Get or Set the Frame Counter Downlink
1807
1808 (% _msthash="506095" _msttexthash="859222" %)
1809 AT+CLASS:  Get or Set the Device Class
1810
1811 (% _msthash="506096" _msttexthash="384852" %)
1812 AT+JOIN:  Join network
1813
1814 (% _msthash="506097" _msttexthash="548626" %)
1815 AT+NJS:  Get the join status
1816
1817 (% _msthash="506098" _msttexthash="2546206" %)
1818 AT+SENDB:  Send hexadecimal data along with the application port
1819
1820 (% _msthash="506099" _msttexthash="1932307" %)
1821 AT+SEND:  Send text data along with the application port
1822
1823 (% _msthash="506100" _msttexthash="3560557" %)
1824 AT+RECVB:  Print last received data in binary format (with hexadecimal values)
1825
1826 (% _msthash="506101" _msttexthash="1429701" %)
1827 AT+RECV:  Print last received data in raw format
1828
1829 (% _msthash="506102" _msttexthash="1735981" %)
1830 AT+VER:  Get current image version and Frequency Band
1831
1832 (% _msthash="506103" _msttexthash="1189474" %)
1833 AT+CFM:  Get or Set the confirmation mode (0-1)
1834
1835 (% _msthash="506104" _msttexthash="1718210" %)
1836 AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1837
1838 (% _msthash="506105" _msttexthash="1339403" %)
1839 AT+SNR:  Get the SNR of the last received packet
1840
1841 (% _msthash="506106" _msttexthash="1452009" %)
1842 AT+RSSI:  Get the RSSI of the last received packet
1843
1844 (% _msthash="506107" _msttexthash="2768142" %)
1845 AT+TDC:  Get or set the application data transmission interval in ms
1846
1847 (% _msthash="506108" _msttexthash="1083914" %)
1848 AT+PORT:  Get or set the application port
1849
1850 (% _msthash="506109" _msttexthash="622440" %)
1851 AT+DISAT:  Disable AT commands
1852
1853 (% _msthash="506110" _msttexthash="868361" %)
1854 AT+PWORD:  Set password, max 9 digits
1855
1856 (% _msthash="506111" _msttexthash="2210299" %)
1857 AT+CHS:  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1858
1859 (% _msthash="506112" _msttexthash="2113462" %)
1860 AT+CHE:  Get or Set eight channels mode,Only for US915,AU915,CN470
1861
1862 (% _msthash="506113" _msttexthash="2087423" %)
1863 AT+PDTA:  Print the sector data from start page to stop page
1864
1865 (% _msthash="506114" _msttexthash="1063127" %)
1866 AT+PLDTA:  Print the last few sets of data
1867
1868 (% _msthash="506115" _msttexthash="1999426" %)
1869 AT+CLRDTA:  Clear the storage, record position back to 1st
1870
1871 (% _msthash="506116" _msttexthash="442130" %)
1872 AT+SLEEP:  Set sleep mode
1873
1874 (% _msthash="506117" _msttexthash="1080222" %)
1875 AT+EXT:  Get or Set external sensor model
1876
1877 (% _msthash="506118" _msttexthash="1309490" %)
1878 AT+BAT:  Get the current battery voltage in mV
1879
1880 (% _msthash="506119" _msttexthash="813891" %)
1881 AT+CFG:  Print all configurations
1882
1883 (% _msthash="506120" _msttexthash="551707" %)
1884 AT+WMOD:  Get or Set Work Mode
1885
1886 (% _msthash="506121" _msttexthash="2631499" %)
1887 AT+ARTEMP:  Get or set the internal Temperature sensor alarm range
1888
1889 (% _msthash="506122" _msttexthash="3907150" %)
1890 AT+CITEMP:  Get or set the internal Temperature sensor collection interval in min
1891
1892 (% _msthash="506123" _msttexthash="854620" %)
1893 AT+SETCNT:  Set the count at present
1894
1895 (% _msthash="506124" _msttexthash="2554877" %)
1896 AT+RJTDC:  Get or set the ReJoin data transmission interval in min
1897
1898 (% _msthash="506125" _msttexthash="771849" %)
1899 AT+RPL:  Get or set response level
1900
1901 (% _msthash="506126" _msttexthash="1484314" %)
1902 AT+TIMESTAMP:  Get or Set UNIX timestamp in second
1903
1904 (% _msthash="506127" _msttexthash="741728" %)
1905 AT+LEAPSEC:  Get or Set Leap Second
1906
1907 (% _msthash="506128" _msttexthash="1694017" %)
1908 AT+SYNCMOD:  Get or Set time synchronization method
1909
1910 (% _msthash="506129" _msttexthash="2235948" %)
1911 AT+SYNCTDC:  Get or set time synchronization interval in day
1912
1913 (% _msthash="506130" _msttexthash="425542" %)
1914 AT+PID:  Get or set the PID
1915
1916
1917 == (% _msthash="1616654" _msttexthash="1555359" %)6.2 Where to use AT commands and Downlink commands(%%) ==
1918
1919 (% _msthash="506131" _msttexthash="14585714" %)
1920 AT commands：
1921
1922 [[image:image-20220615092034-1.png||_mstalt="428870"]]
1923
1924 (% _msthash="506132" _msttexthash="337922" %)
1925 Downlink commands:
1926
1927
1928 (% _msthash="506133" _msttexthash="33046" %)
1929 **TTN:**
1930
1931 [[image:image-20220615092124-2.png||_mstalt="429221" height="843" width="893"]]
1932
1933
1934 (% _msthash="506134" _msttexthash="11113791" %)
1935 **Helium：**
1936
1937 [[image:image-20220615092551-3.png||_mstalt="430794" height="556" width="1097"]]
1938
1939
1940 (% _msthash="506135" _msttexthash="4159844" %)
1941 **Chirpstack:The downlink window will not be displayed until the network is accessed**
1942
1943 [[image:image-20220615094850-6.png||_mstalt="433082"]]
1944
1945 [[image:image-20220615094904-7.png||_mstalt="433485" height="329" width="1067"]]
1946
1947
1948 (% _msthash="506136" _msttexthash="39286" %)
1949 **Aws:**
1950
1951 [[image:image-20220615092939-4.png||_mstalt="434460" height="532" width="1062"]]
1952
1953
1954 == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
1955
1956 [[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"]]
1957
1958
1959 (% _msthash="536757" _msttexthash="1874951" %)
1960 == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1961
1962 [[image:image-20220615153355-1.png]]
1963
1964 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1965
1966 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1967
1968 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1969
1970 [[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1971
1972
1973 (((
1974 (% _msthash="736728" _msttexthash="67213055" %)
1975 (((
1976 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.
1977 )))
1978 )))
1979
1980 (((
1981 (% _msthash="736729" _msttexthash="1907009" %)
1982 Input password and ATZ to activate LHT65N,As shown below:
1983
1984 [[image:image-20220615154519-3.png]]
1985
1986
1987 )))
1988
1989 == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1990
1991 [[image:image-20220615153355-1.png]]
1992
1993 (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
1994
1995 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1996
1997 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1998
1999 Use after connection， ground wire（1 < - -> GND  < - ->  Black） for 1s and then pull it out.Then restart the device.
2000
2001
2002 (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2003
2004 [[image:image-20220615170542-5.png]]
2005
2006
2007 (% _msthash="506146" _msttexthash="52173160" %)
2008 (% _istranslated="1" %)**Step2**(%%)：Download the LHT65N image files.
2009
2010
2011 (% _msthash="506147" _msttexthash="188083584" %)
2012 (% _istranslated="1" %)**Step3：**(%%)Select the serial port and baud rate of the device and the firmware to be upgraded.
2013
2014 [[image:image-20220615171334-6.png]]
2015
2016
2017 (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2018
2019
2020 )))
2021
2022 (% _mstvisible="1" %)
2023 = (% _msthash="183170" _msttexthash="13740740" _mstvisible="3" %)7. (%%)Order Info =
2024
2025 (% _mstvisible="1" %)
2026 (((
2027 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
2028 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
2029 )))
2030
2031 (% _mstvisible="1" %)
2032 (((
2033 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
2034 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
2035 )))
2036
2037 (% _mstvisible="1" %)
2038 * (% _mstvisible="3" %)
2039 (((
2040 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
2041 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2042 )))
2043 * (% _mstvisible="3" %)
2044 (((
2045 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
2046 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2047 )))
2048 * (% _mstvisible="3" %)
2049 (((
2050 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
2051 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2052 )))
2053 * (% _mstvisible="3" %)
2054 (((
2055 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
2056 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2057 )))
2058 * (% _mstvisible="3" %)
2059 (((
2060 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
2061 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2062 )))
2063 * (% _mstvisible="3" %)
2064 (((
2065 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
2066 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2067 )))
2068 * (% _mstvisible="3" %)
2069 (((
2070 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
2071 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2072 )))
2073 * (% _mstvisible="3" %)
2074 (((
2075 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
2076 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2077 )))
2078
2079 (% _mstvisible="1" %)
2080 (((
2081 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
2082 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
2083 )))
2084
2085 (% _mstvisible="1" %)
2086 * (% _mstvisible="3" %)
2087 (((
2088 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2089 (% style="color:red" %)**E3**(%%): External Temperature Probe
2090
2091
2092 )))
2093
2094 (% _mstvisible="1" %)
2095 = (% _msthash="233363" _msttexthash="13823550" _mstvisible="3" %)8. (%%)Packing Info =
2096
2097 (% _mstvisible="1" %)
2098 (((
2099 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2100
2101
2102 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2103 (% _mstvisible="3" %)**Package Includes**(%%):
2104 )))
2105
2106 (% _mstvisible="1" %)
2107 * (% _mstvisible="3" %)
2108 (((
2109 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
2110 LHT65N Temperature & Humidity Sensor x 1
2111 )))
2112 * (% _mstvisible="3" %)
2113 (((
2114 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2115 Optional external sensor
2116 )))
2117
2118 (% _mstvisible="1" %)
2119 (((
2120 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
2121 (% _mstvisible="3" %)**Dimension and weight**(%%):
2122 )))
2123
2124 (% _mstvisible="1" %)
2125 * (% _mstvisible="3" %)
2126 (((
2127 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
2128 Device Size:  10 x 10 x 3.5 cm
2129 )))
2130 * (% _mstvisible="3" %)
2131 (((
2132 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
2133 Device Weight: 120.5g
2134 )))
2135
2136 (% _mstvisible="3" %)
2137 (((
2138
2139 )))
2140
2141 = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
2142
2143 * [[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"]]
2144
2145
2146
2147
2148 = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2149
2150 (% _mstvisible="1" %)
2151 (((
2152 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
2153 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2154 )))
2155
2156 (% _mstvisible="1" %)
2157 (((
2158 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
2159 (1) This device may not cause harmful interference；
2160 )))
2161
2162 (% _mstvisible="1" %)
2163 (((
2164 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
2165 (2) this device must accept any interference received, including interference that may cause undesired operation.
2166 )))