Skip to Content
Version 147.14 by Xiaoling on 2022/06/17 14:57
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 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" %)**.**
26 )))
27
28 (% _mstvisible="1" %)
29 (((
30 (% _msthash="506052" _msttexthash="66005810" _mstvisible="2" %)
31 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.
32 )))
33
34 (% _mstvisible="1" %)
35 (((
36 (% _msthash="506053" _msttexthash="4298047" _mstvisible="2" %)
37 LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
38 )))
39
40 (% _mstvisible="1" %)
41 (((
42 (% _msthash="506054" _msttexthash="6016374" _mstvisible="2" %)
43 LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
44 )))
45
46 (% _mstvisible="1" %)
47 (((
48 (% _msthash="506055" _msttexthash="17023136" _mstvisible="2" %)
49 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.
50 )))
51
52 (% _mstvisible="1" %)
53 (((
54 (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
55 *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
56
57 (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
58
59 )))
60
61 (% _mstvisible="1" %)
62 == (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2 Features(%%) ==
63
64 (% _mstvisible="1" %)
65 * Wall mountable
66 * LoRaWAN v1.0.3 Class A protocol
67 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
68 * AT Commands to change parameters
69 * Remote configure parameters via LoRaWAN Downlink
70 * Firmware upgradeable via program port
71 * Built-in 2400mAh battery for up to 10 years of use.
72 * Built-in Temperature & Humidity sensor
73 * Optional External Sensors
74 * Tri-color LED to indicate working status
75 * Datalog feature
76
77 (% _mstvisible="1" %)
78 == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
79
80 (% _mstvisible="1" %)
81 (((
82 (% _mstvisible="2" %)
83
84
85 (% _mstvisible="2" %)
86 (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
87 )))
88
89 (% _mstvisible="1" %)
90 * (% _mstvisible="3" %)
91 (((
92 (% _msthash="902993" _msttexthash="294424" _mstvisible="4" %)
93 Resolution: 0.01 °C
94 )))
95 * (% _mstvisible="3" %)
96 (((
97 (% _msthash="902994" _msttexthash="690664" _mstvisible="4" %)
98 Accuracy Tolerance : Typ ±0.3 °C
99 )))
100 * (% _mstvisible="3" %)
101 (((
102 (% _msthash="902995" _msttexthash="504647" _mstvisible="4" %)
103 Long Term Drift: < 0.02 °C/yr
104 )))
105 * (% _mstvisible="3" %)
106 (((
107 (% _msthash="902996" _msttexthash="478257" _mstvisible="4" %)
108 Operating Range: -40 ~~ 85 °C
109 )))
110
111 (% _mstvisible="1" %)
112 (((
113 (% _mstvisible="2" %)
114
115
116 (% _mstvisible="2" %)
117 (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
118 )))
119
120 (% _mstvisible="1" %)
121 * (% _mstvisible="3" %)
122 (((
123 (% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
124 Resolution: 0.04 %RH
125 )))
126 * (% _mstvisible="3" %)
127 (((
128 (% _msthash="902998" _msttexthash="628771" _mstvisible="4" %)
129 Accuracy Tolerance : Typ ±3 %RH
130 )))
131 * (% _mstvisible="3" %)
132 (((
133 (% _msthash="902999" _msttexthash="504647" _mstvisible="4" %)
134 Long Term Drift: < 0.02 °C/yr
135 )))
136 * (% _mstvisible="3" %)
137 (((
138 (% _msthash="903000" _msttexthash="421291" _mstvisible="4" %)
139 Operating Range: 0 ~~ 96 %RH
140 )))
141
142 (% _mstvisible="1" %)
143 (((
144 (% _mstvisible="2" %)
145
146
147 (% _mstvisible="2" %)
148 (% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
149 )))
150
151 (% _mstvisible="1" %)
152 * (% _mstvisible="3" %)
153 (((
154 (% _msthash="903001" _msttexthash="332254" _mstvisible="4" %)
155 Resolution: 0.0625 °C
156 )))
157 * (% _mstvisible="3" %)
158 (((
159 (% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
160 ±0.5°C accuracy from -10°C to +85°C
161 )))
162 * (% _mstvisible="3" %)
163 (((
164 (% _msthash="903003" _msttexthash="729482" _mstvisible="4" %)
165 ±2°C accuracy from -55°C to +125°C
166 )))
167 * (% _mstvisible="3" %)
168 (((
169 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
170 Operating Range: -55 °C ~~ 125 °C
171
172
173 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
174
175 )))
176
177 (% _mstvisible="1" %)
178 = (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) =
179
180 (% _mstvisible="1" %)
181 == (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
182
183 (% _mstvisible="1" %)
184 (((
185 (% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
186 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.
187 )))
188
189 (% _mstvisible="1" %)
190 (((
191 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
192 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.
193
194 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
195
196 )))
197
198 (% _mstvisible="1" %)
199 == (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT65N?(%%) ==
200
201 (% _msthash="315239" _msttexthash="748241" _mstvisible="1" %)
202 The LHT65N has two working modes:
203
204 (% _mstvisible="1" %)
205 * **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
206 * **Working Mode**: In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65 will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
207
208 (% _mstvisible="1" %)
209 (((
210 (% _msthash="506062" _msttexthash="6036823" _mstvisible="2" %)
211 The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
212 )))
213
214 (% _mstvisible="1" %)
215 [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
216
217 (% _mstvisible="1" %)
218 [[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
219
220
221 (% _mstvisible="1" %)
222 == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
223
224 (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
225 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.
226
227 (% _mstvisible="1" class="wikigeneratedid" %)
228 [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
229
230 (% _msthash="315241" _msttexthash="10802155" _mstvisible="1" %)
231 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:
232
233
234 (% _mstvisible="1" %)
235 === (% _msthash="670592" _msttexthash="634075" _mstvisible="3" %)2.3.1 Step 1: Create Device n TTN(%%) ===
236
237 (% _msthash="315242" _msttexthash="1601782" _mstvisible="1" %)
238 Create a device in TTN V3 with the OTAA keys from LHT65N.
239
240 (% _msthash="315243" _msttexthash="3694444" _mstvisible="1" %)
241 Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
242
243 (% _mstvisible="1" %)
244 [[image:image-20220522232812-2.png||_mstalt="428467" _mstvisible="3" height="219" width="279"]]
245
246 (% _msthash="315244" _msttexthash="3659149" _mstvisible="1" %)
247 User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
248
249 (% _msthash="315245" _msttexthash="642889" _mstvisible="1" %)
250 Add APP EUI in the application.
251
252 (% _mstvisible="1" %)
253 [[image:image-20220522232916-3.png||_mstalt="430495" _mstvisible="3"]]
254
255 (% _mstvisible="1" %)
256 [[image:image-20220522232932-4.png||_mstalt="430157" _mstvisible="3"]]
257
258 (% _mstvisible="1" %)
259 [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
260
261 (% _msthash="315246" _msttexthash="878800" _mstvisible="1" %)
262 Note: LHT65N use same payload as LHT65.
263
264 (% _mstvisible="1" %)
265 [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
266
267
268 (% _msthash="315247" _msttexthash="595543" _mstvisible="1" %)
269 Input APP EUI,  APP KEY and DEV EUI:
270
271 (% _mstvisible="1" %)
272 [[image:image-20220522233118-7.png||_mstalt="430430" _mstvisible="3"]]
273
274
275
276 (% _mstvisible="1" %)
277 === (% _msthash="3537456" _msttexthash="3448549" _mstvisible="3" %)2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds.(%%) ===
278
279 (% _msthash="315248" _msttexthash="14452321" _mstvisible="1" %)
280 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.
281
282 (% _mstvisible="1" %)
283 [[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
284
285
286
287 (% _mstvisible="1" %)
288 == (% _msthash="320879" _msttexthash="294970" _mstvisible="3" %)2.4 Uplink Payload(%%) ==
289
290 (% _msthash="315249" _msttexthash="7722962" _mstvisible="1" %)
291 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.
292
293 (% _msthash="315250" _msttexthash="1322711" _mstvisible="1" %)
294 After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
295
296 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:426px" %)
297 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 97px;" %)(% _mstvisible="5" %)
298 (((
299 (% _mstvisible="6" %)
300 (% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
301 )))|=(% _mstvisible="4" style="width: 39px;" %)(% _mstvisible="5" %)
302 (((
303 (% _mstvisible="6" %)
304 (% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2**
305 )))|=(% _mstvisible="4" style="width: 100px;" %)(% _mstvisible="5" %)
306 (((
307 (% _mstvisible="6" %)
308 (% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2**
309 )))|=(% _mstvisible="4" style="width: 77px;" %)(% _mstvisible="5" %)
310 (((
311 (% _mstvisible="6" %)
312 (% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2**
313 )))|=(% _mstvisible="4" style="width: 47px;" %)(% _mstvisible="5" %)
314 (((
315 (% _mstvisible="6" %)
316 (% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1**
317 )))|=(% _mstvisible="4" style="width: 51px;" %)(% _mstvisible="5" %)
318 (((
319 (% _mstvisible="6" %)
320 (% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4**
321 )))
322 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
323 (((
324 (% _mstvisible="6" %)
325 (% _msthash="1817484" _msttexthash="60203" _mstvisible="8" %)**Value**
326 )))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %)
327 (((
328 (% _mstvisible="6" %)
329 [[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594" _mstvisible="7"]]
330 )))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
331 (((
332 (% _mstvisible="6" %)
333 (((
334 (% _mstvisible="7" %)
335 [[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769" _mstvisible="8"]]
336 )))
337 )))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
338 (((
339 (% _mstvisible="6" %)
340 (((
341 (% _mstvisible="7" %)
342 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872" _mstvisible="8"]]
343 )))
344
345 (% _mstvisible="6" %)
346 (((
347 (% _mstvisible="7" %)
348 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429" _mstvisible="8"]]
349 )))
350 )))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %)
351 (((
352 (% _mstvisible="6" %)
353 [[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331" _mstvisible="7"]] #
354 )))|(% _mstvisible="4" style="width:51px" %)(% _mstvisible="5" %)
355 (((
356 (% _mstvisible="6" %)
357 [[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545" _mstvisible="7"]]
358 )))
359
360 (% _mstvisible="1" %)
361 * The First 6 bytes: has fix meanings for every LHT65N.
362 * The 7th byte (EXT #): defines the external sensor model.
363 * 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.)
364
365 (% _mstvisible="1" %)
366 === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
367
368 (% _msthash="315251" _msttexthash="9786491" _mstvisible="1" %)
369 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.
370
371 (% _msthash="315252" _msttexthash="3928483" _mstvisible="1" %)
372 Below is the position to put the decoder and LHT65N decoder can be download from here:
373
374 (% _mstvisible="1" %)
375 [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
376
377 (% _mstvisible="1" %)
378 [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
379
380
381
382 (% _mstvisible="1" %)
383 === (% _msthash="411411" _msttexthash="383656" _mstvisible="3" %)2.4.2 BAT-Battery Info(%%) ===
384
385 (% _msthash="315254" _msttexthash="3122912" _mstvisible="1" %)
386 These two bytes of BAT include the battery state and the actually voltage
387
388 (% _mstvisible="1" %)
389 [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
390
391 (% _mstvisible="1" %)
392 [[image:image-20220522235639-1.png||_mstalt="431392" _mstvisible="3" height="139" width="727"]]
393
394 (% _msthash="315255" _msttexthash="871611" _mstvisible="1" %)
395 Check the battery voltage for LHT65N.
396
397 (% _mstvisible="1" %)
398 * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
399 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
400
401 (% _mstvisible="1" %)
402 === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
403
404 (% _mstvisible="1" %)
405 [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
406
407 (% _mstvisible="1" %)
408 * Temperature:  0x0ABB/100=27.47℃
409
410 (% _mstvisible="1" %)
411 [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
412
413 (% _mstvisible="1" %)
414 * Temperature:  (0xF5C6-65536)/100=-26.18℃
415
416 (% _mstvisible="1" %)
417 === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
418
419 (% _mstvisible="1" %)
420 [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
421
422 (% _mstvisible="1" %)
423 * Humidity:    0x025C/10=60.4%
424
425 (% _mstvisible="1" %)
426 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
427
428 (% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
429 Bytes for External Sensor:
430
431 (% _mstvisible="1" %)
432 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
433
434
435 (% _mstvisible="1" %)
436 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
437
438 (% _mstvisible="1" %)
439 ==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
440
441 (% _mstvisible="1" %)
442 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
443
444
445 (% _mstvisible="1" %)
446 * DS18B20 temp=0x0ADD/100=27.81℃
447
448 (% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
449 The last 2 bytes of data are meaningless
450
451 (% _mstvisible="1" %)
452 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
453
454
455 (% _mstvisible="1" %)
456 * External temperature= (0xF54F-65536)/100=-27.37℃
457
458 (% _mstvisible="1" %)
459 (((
460 (% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
461 The last 2 bytes of data are meaningless
462 )))
463
464 (% _mstvisible="1" %)
465 (((
466 (% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
467 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
468 )))
469
470
471
472 (% _mstvisible="1" %)
473 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
474
475 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
476 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:
477
478 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
479 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
480 (((
481 (% _mstvisible="6" %)
482 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
483 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
484 (((
485 (% _mstvisible="6" %)
486 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
487 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
488 (((
489 (% _mstvisible="6" %)
490 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
491 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
492 (((
493 (% _mstvisible="6" %)
494 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
495 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
496 (((
497 (% _mstvisible="6" %)
498 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
499 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
500 (((
501 (% _mstvisible="6" %)
502 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
503 )))
504 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
505 (((
506 (% _mstvisible="6" %)
507 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
508 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
509 (((
510 (% _mstvisible="6" %)
511 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
512 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
513 (((
514 (% _mstvisible="6" %)
515 (((
516 (% _mstvisible="7" %)
517 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
518 )))
519
520 (% _mstvisible="6" %)
521 (((
522 (% _mstvisible="7" %)
523 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
524 )))
525 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
526 (((
527 (% _mstvisible="6" %)
528 (((
529 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
530 BAT Status &
531 )))
532
533 (% _mstvisible="6" %)
534 (((
535 (% _mstvisible="7" %)
536 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
537 )))
538 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
539 (((
540 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
541 Status & Ext
542 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
543 (((
544 (% _mstvisible="6" %)
545 (((
546 (% _mstvisible="7" %)
547 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
548 )))
549 )))
550
551 (% _mstvisible="1" %)
552 * (% _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**
553
554 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
555 (% _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]
556 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
557 (((
558 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
559 BAT Status
560
561 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
562 00(b): Ultra Low ( BAT <= 2.50v)
563
564 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
565 01(b): Low  (2.50v <=BAT <= 2.55v)
566
567 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
568 10(b): OK   (2.55v <= BAT <=2.65v)
569
570 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
571 11(b): Good   (BAT >= 2.65v)
572 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
573 (((
574 (% _mstvisible="6" %)
575 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
576
577 (% _mstvisible="6" %)
578
579 )))
580
581 (% _mstvisible="1" %)
582 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
583
584 (% _mstvisible="1" %)
585 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
586
587 (% _mstvisible="1" %)
588 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
589 * 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.
590 * 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)
591
592 (% _mstvisible="1" %)
593 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
594
595 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
596 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:
597
598 (% _mstvisible="1" %)
599 (((
600 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
601 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
602 )))
603
604 (% _mstvisible="1" %)
605 (((
606 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
607 (% _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.
608 )))
609
610 (% _mstvisible="1" %)
611 (((
612 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
613 Add Datacake:
614 )))
615
616 (% _mstvisible="1" %)
617 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
618
619
620 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
621 Select default key as Access Key:
622
623 (% _mstvisible="1" %)
624 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
625
626 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
627 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
628
629 (% _mstvisible="1" %)
630 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
631
632 (% _mstvisible="1" %)
633 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
634
635
636
637 (% _mstvisible="1" %)
638 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
639
640 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
641 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.
642
643
644 (% _mstvisible="1" %)
645 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
646
647 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
648 There are two methods:
649
650 (% _mstvisible="1" %)
651 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
652 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.
653
654 (% _mstvisible="1" %)
655 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
656
657 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
658 LHT65N uses Unix TimeStamp format based on
659
660 (% _mstvisible="1" %)
661 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
662
663
664 (% _mstvisible="1" %)
665 (((
666 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
667 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
668 )))
669
670 (% _mstvisible="1" %)
671 (((
672 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
673 Below is the converter example
674 )))
675
676 (% _mstvisible="1" %)
677 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
678
679 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
680 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
681
682
683 (% _mstvisible="1" %)
684 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
685
686 (% _mstvisible="1" %)
687 (((
688 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
689 There are two ways to set device’s time:
690 )))
691
692 (% _mstvisible="1" %)
693 (((
694 (% _mstvisible="2" %)
695 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
696 )))
697
698 (% _mstvisible="1" %)
699 (((
700 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
701 User need to set SYNCMOD=1 to enable sync time via MAC command.
702 )))
703
704 (% _mstvisible="1" %)
705 (((
706 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
707 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).
708 )))
709
710 (% _mstvisible="1" %)
711 (((
712 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
713 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.
714 )))
715
716 (% _mstvisible="1" %)
717 (((
718 (% _mstvisible="2" %)
719
720 )))
721
722 (% _mstvisible="1" %)
723 (((
724 (% _mstvisible="2" %)
725 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
726 )))
727
728 (% _mstvisible="1" %)
729 (((
730 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
731 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
732
733 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
734
735 )))
736
737 (% _mstvisible="1" %)
738 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
739
740 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
741 User can poll sensor value based on timestamps from the server. Below is the downlink command.
742
743 (% _mstvisible="1" %)
744 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
745
746 (% _mstvisible="1" %)
747 (((
748 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
749 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.
750 )))
751
752 (% _mstvisible="1" %)
753 (((
754 (% _mstvisible="2" %)
755 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
756 )))
757
758 (% _mstvisible="1" %)
759 (((
760 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
761 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
762 )))
763
764 (% _mstvisible="1" %)
765 (((
766 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
767 Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
768 )))
769
770
771 (% _mstvisible="1" %)
772 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
773
774 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
775 The Datalog poll reply uplink will use below payload format.
776
777 (% _mstvisible="1" %)
778 (((
779 (% _mstvisible="2" %)
780 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
781 )))
782
783 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
784 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
785 (((
786 (% _mstvisible="6" %)
787 (((
788 (% _mstvisible="7" %)
789 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
790 )))
791 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
792 (((
793 (% _mstvisible="6" %)
794 (((
795 (% _mstvisible="7" %)
796 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
797 )))
798 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
799 (((
800 (% _mstvisible="6" %)
801 (((
802 (% _mstvisible="7" %)
803 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
804 )))
805 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
806 (((
807 (% _mstvisible="6" %)
808 (((
809 (% _mstvisible="7" %)
810 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
811 )))
812 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
813 (((
814 (% _mstvisible="6" %)
815 (((
816 (% _mstvisible="7" %)
817 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
818 )))
819 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
820 (((
821 (% _mstvisible="6" %)
822 (((
823 (% _mstvisible="7" %)
824 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
825 )))
826 )))
827 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
828 (((
829 (% _mstvisible="6" %)
830 (((
831 (% _mstvisible="7" %)
832 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
833 )))
834 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
835 (((
836 (% _mstvisible="6" %)
837 (((
838 (% _mstvisible="7" %)
839 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
840 )))
841 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
842 (((
843 (% _mstvisible="6" %)
844 (((
845 (% _mstvisible="7" %)
846 (((
847 (% _mstvisible="8" %)
848 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
849 )))
850 )))
851
852 (% _mstvisible="6" %)
853 (((
854 (% _mstvisible="7" %)
855 (((
856 (% _mstvisible="8" %)
857 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
858 )))
859 )))
860 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
861 (((
862 (% _mstvisible="6" %)
863 (((
864 (% _mstvisible="7" %)
865 (((
866 (% _mstvisible="8" %)
867 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
868 )))
869 )))
870
871 (% _mstvisible="6" %)
872 (((
873 (% _mstvisible="7" %)
874 (((
875 (% _mstvisible="8" %)
876 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
877 )))
878 )))
879 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
880 (((
881 (% _mstvisible="6" %)
882 (((
883 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
884 Poll message flag & Ext
885 )))
886 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
887 (((
888 (% _mstvisible="6" %)
889 (((
890 (% _mstvisible="7" %)
891 (((
892 (% _mstvisible="8" %)
893 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
894 )))
895 )))
896
897 (% _mstvisible="6" %)
898 (((
899 (% _mstvisible="7" %)
900 (((
901 (% _mstvisible="8" %)
902
903 )))
904 )))
905 )))
906
907 (% _mstvisible="1" %)
908 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
909
910 (% _mstvisible="1" %)
911 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
912
913 (% _mstvisible="1" %)
914 (((
915 (% _mstvisible="2" %)
916 (((
917 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
918 Poll Message Flag: 1: This message is a poll message reply.
919 )))
920 )))
921
922 (% _mstvisible="1" %)
923 * (% _mstvisible="3" %)
924 (((
925 (% _mstvisible="4" %)
926 (((
927 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
928 Poll Message Flag is set to 1.
929 )))
930 )))
931 * (% _mstvisible="3" %)
932 (((
933 (% _mstvisible="4" %)
934 (((
935 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
936 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
937 )))
938 )))
939
940 (% _mstvisible="1" %)
941 (((
942 (% _mstvisible="2" %)
943 (((
944 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
945
946
947 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
948 For example, in US915 band, the max payload for different DR is:
949 )))
950 )))
951
952 (% _mstvisible="1" %)
953 (((
954 (% _mstvisible="2" %)
955 (((
956 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
957 a) DR0: max is 11 bytes so one entry of data
958 )))
959 )))
960
961 (% _mstvisible="1" %)
962 (((
963 (% _mstvisible="2" %)
964 (((
965 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
966 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
967 )))
968 )))
969
970 (% _mstvisible="1" %)
971 (((
972 (% _mstvisible="2" %)
973 (((
974 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
975 c) DR2: total payload includes 11 entries of data
976 )))
977 )))
978
979 (% _mstvisible="1" %)
980 (((
981 (% _mstvisible="2" %)
982 (((
983 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
984 d) DR3: total payload includes 22 entries of data.
985 )))
986 )))
987
988 (% _mstvisible="1" %)
989 (((
990 (% _mstvisible="2" %)
991 (((
992 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
993 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
994 )))
995 )))
996
997
998 (% _mstvisible="1" style="text-align: left;" %)
999 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
1000
1001 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
1002 If LHT65N has below data inside Flash:
1003
1004 (% _mstvisible="1" %)
1005 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
1006
1007 (% _mstvisible="1" %)
1008 (((
1009 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
1010 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
1011 )))
1012
1013 (% _mstvisible="1" %)
1014 (((
1015 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
1016 Where : Start time: 60065F97 = time 21/1/19 04:27:03
1017 )))
1018
1019 (% _mstvisible="1" %)
1020 (((
1021 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
1022 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1023 )))
1024
1025 (% _mstvisible="1" %)
1026 (((
1027 (% _mstvisible="2" %)
1028
1029 )))
1030
1031 (% _mstvisible="1" %)
1032 (((
1033 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1034 LHT65N will uplink this payload.
1035 )))
1036
1037 (% _mstvisible="1" %)
1038 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1039
1040 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1041 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1042
1043 (% _msthash="315237" _msttexthash="1385839" %)
1044 Where the first 11 bytes is for the first entry:
1045
1046 (% _msthash="315238" _msttexthash="274846" %)
1047 7FFF089801464160065F97
1048
1049 (% _msthash="315239" _msttexthash="617435" %)
1050 Ext sensor data=0x7FFF/100=327.67
1051
1052 (% _msthash="315240" _msttexthash="270543" %)
1053 Temp=0x0898/100=22.00
1054
1055 (% _msthash="315241" _msttexthash="211783" %)
1056 Hum=0x0146/10=32.6
1057
1058 (% _msthash="315242" _msttexthash="1569776" %)
1059 poll message flag & Ext=0x41,means reply data,Ext=1
1060
1061 (% _msthash="315243" _msttexthash="1120509" %)
1062 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1063
1064
1065 (% _mstvisible="1" style="text-align: left;" %)
1066 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1067
1068 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1069 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.
1070
1071 (% _mstvisible="1" %)
1072 (((
1073 (% _mstvisible="2" style="text-align: left;" %)
1074 (% _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.
1075 )))
1076
1077 (% _mstvisible="1" style="text-align: left;" %)
1078 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1079
1080 (% _mstvisible="1" class="box infomessage" %)
1081 (((
1082 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1083 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%): Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1084
1085 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1086 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%): The interval between checking the alarm temperature. (In minutes)
1087
1088 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1089 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%): Gets or sets the alarm range of the internal temperature sensor
1090
1091 (% _mstvisible="2" style="text-align: left;" %)
1092 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%): Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1093
1094 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1095 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%): Set the internal temperature sensor alarm range from 45 to 105.
1096 )))
1097
1098
1099
1100 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1101 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1102
1103 (% _mstvisible="1" %)
1104 (((
1105 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1106 The LHT65 has a triple color LED which for easy showing different stage .
1107
1108 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1109 While user press ACT button, the LED will work as per LED status with ACT button.
1110 )))
1111
1112 (% _mstvisible="1" %)
1113 (((
1114 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1115 In a normal working state:
1116 )))
1117
1118 (% _mstvisible="1" %)
1119 * (% _mstvisible="3" %)
1120 (((
1121 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1122 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1123
1124 (% _msthash="197771" _msttexthash="1202526" %)
1125 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1126 )))
1127 * (% _mstvisible="3" %)
1128 (((
1129 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1130 RED LED when external sensor is not connected
1131 )))
1132 * (% _mstvisible="3" %)
1133 (((
1134 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1135 For each success downlink, the PURPLE LED will blink once
1136
1137
1138
1139
1140 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1141
1142 )))
1143
1144 (% _mstvisible="1" style="text-align: left;" %)
1145 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1146
1147 (% _mstvisible="1" %)
1148 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1149
1150
1151 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
1152 = (% _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(%%) =
1153
1154 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1155 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1156
1157 (% _mstvisible="1" %)
1158 [[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"]]
1159
1160
1161 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1162 Temperature sensor with 2 meters cable long
1163
1164 (% _mstvisible="1" %)
1165 * Resolution: 0.0625 °C
1166 * ±0.5°C accuracy from -10°C to +85°C
1167 * ±2°C accuracy from -55°C to +125°C
1168 * Operating Range: -40 ~~ 125 °C
1169 * -55°C to 125°C
1170 * Working voltage 2.35v ~~ 5v
1171
1172
1173
1174 (% _mstvisible="1" style="text-align: left;" %)
1175 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1176
1177 (% _mstvisible="1" %)
1178 (((
1179 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1180 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1181 )))
1182
1183 (% _mstvisible="1" %)
1184 * (% _mstvisible="3" %)
1185 (((
1186 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1187 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1188 )))
1189 * (% _mstvisible="3" %)
1190 (((
1191 (% _msthash="903319" _msttexthash="3225859" _mstvisible="4" %)
1192 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1193 )))
1194
1195 (% _mstvisible="1" %)
1196 (((
1197 (% _mstvisible="2" style="text-align: left;" %)
1198
1199 )))
1200
1201 (% _mstvisible="1" %)
1202 (((
1203 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1204 There are two kinds of commands to configure LHT65N, they are:
1205 )))
1206
1207 (% _mstvisible="1" %)
1208 (((
1209 (% _mstvisible="2" style="text-align: left;" %)
1210 (% _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" %).
1211 )))
1212
1213 (% _mstvisible="1" %)
1214 (((
1215 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1216 These commands are to configure:
1217 )))
1218
1219 (% _mstvisible="1" %)
1220 * (% _mstvisible="3" %)
1221 (((
1222 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1223 General system settings like: uplink interval.
1224 )))
1225 * (% _mstvisible="3" %)
1226 (((
1227 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1228 LoRaWAN protocol & radio-related commands.
1229 )))
1230
1231 (% _mstvisible="1" %)
1232 (((
1233 (% _msthash="506251" _msttexthash="12349142" _mstvisible="2" style="text-align: left;" %)
1234 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]]
1235 )))
1236
1237 (% _mstvisible="1" %)
1238 (((
1239 (% _mstvisible="2" style="text-align: left;" %)
1240
1241 )))
1242
1243 (% _mstvisible="1" %)
1244 (((
1245 (% _mstvisible="2" style="text-align: left;" %)
1246 (% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**Commands special design for LHT65N**
1247 )))
1248
1249 (% _mstvisible="1" %)
1250 (((
1251 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1252 These commands are only valid for LHT65N, as below:
1253
1254
1255 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1256
1257 )))
1258
1259 (% _mstvisible="1" style="text-align: left;" %)
1260 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1261
1262 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1263 Feature: Change LoRaWAN End Node Transmit Interval.
1264
1265 (% _mstvisible="1" style="text-align: left;" %)
1266 (% _msthash="315244" _msttexthash="241696" style="color:#4f81bd" %)**AT Command: AT+TDC**
1267
1268 (% _mstvisible="1" %)
1269 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1270
1271 (% _mstvisible="1" %)
1272 (((
1273 (% _mstvisible="2" style="text-align: left;" %)
1274
1275
1276 (% _mstvisible="2" style="text-align: left;" %)
1277 (% _msthash="506055" _msttexthash="381992" style="color:#4f81bd" %)**Downlink Command: 0x01**
1278 )))
1279
1280 (% _mstvisible="1" %)
1281 (((
1282 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1283 Format: Command Code (0x01) followed by 3 bytes time value.
1284 )))
1285
1286 (% _mstvisible="1" %)
1287 (((
1288 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1289 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1290 )))
1291
1292 (% _mstvisible="1" %)
1293 * (% _mstvisible="3" %)
1294 (((
1295 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1296 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1297 )))
1298 * (% _mstvisible="3" %)
1299 (((
1300 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1301 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1302
1303
1304 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1305
1306 )))
1307
1308 (% _mstvisible="1" style="text-align: left;" %)
1309 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1310
1311 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1312 Feature: Change External Sensor Mode.
1313
1314 (% _mstvisible="1" style="text-align: left;" %)
1315 (% _msthash="315245" _msttexthash="248118" style="color:#4f81bd" %)**AT Command: AT+EXT**
1316
1317 (% _mstvisible="1" %)
1318 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1319
1320 (% _mstvisible="1" %)
1321 (((
1322 (% _mstvisible="2" style="text-align: left;" %)
1323
1324
1325 (% _mstvisible="2" style="text-align: left;" %)
1326 (% _msthash="506056" _msttexthash="387855" style="color:#4f81bd" %)**Downlink Command: 0xA2**
1327 )))
1328
1329 (% _mstvisible="1" %)
1330 (((
1331 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1332 Total bytes: 2 ~~ 5 bytes
1333 )))
1334
1335 (% _mstvisible="1" %)
1336 (((
1337 (% _mstvisible="2" %)
1338 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1339 )))
1340
1341 (% _mstvisible="1" %)
1342 * (% _mstvisible="3" %)
1343 (((
1344 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1345 0xA201: Set external sensor type to E1
1346 )))
1347 * (% _mstvisible="3" %)
1348 (((
1349 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1350 0xA209: Same as AT+EXT=9
1351 )))
1352 * (% _mstvisible="3" %)
1353 (((
1354 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1355 0xA20702003c,Same as AT+SETCNT=60
1356
1357
1358 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1359
1360 )))
1361
1362 (% _mstvisible="1" style="text-align: left;" %)
1363 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1364
1365 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1366 Feature: If PID is enabled, device will send the temperature probe ID on:
1367
1368 (% _mstvisible="1" %)
1369 * First Packet after OTAA Join
1370 * Every 24 hours since the first packet.
1371
1372 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1373 PID is default set to disable (0)
1374
1375 (% _mstvisible="1" style="text-align: left;" %)
1376 (% _msthash="315246" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1377
1378 (% _mstvisible="1" %)
1379 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1380
1381
1382 (% _mstvisible="1" style="text-align: left;" %)
1383 (% _msthash="315247" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1384
1385 (% _mstvisible="1" %)
1386 * 0xA800  **~-~->** AT+PID=0
1387 * 0xA801     **~-~->** AT+PID=1
1388
1389
1390
1391 (% _mstvisible="1" style="text-align: left;" %)
1392 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1393
1394 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1395 Feature: Set device password, max 9 digits
1396
1397 (% _mstvisible="1" style="text-align: left;" %)
1398 (% _msthash="315248" _msttexthash="295009" style="color:#4f81bd" %)**AT Command: AT+PWORD**
1399
1400 (% _mstvisible="1" %)
1401 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1402
1403 (% _mstvisible="1" %)
1404 (((
1405 (% _mstvisible="2" style="text-align: left;" %)
1406
1407
1408 (% _mstvisible="2" style="text-align: left;" %)
1409 (% _msthash="506057" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1410 )))
1411
1412 (% _mstvisible="1" %)
1413 (((
1414 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1415 No downlink command for this feature.
1416
1417 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1418
1419 )))
1420
1421 (% _mstvisible="1" style="text-align: left;" %)
1422 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1423
1424 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1425 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1426
1427 (% _mstvisible="1" style="text-align: left;" %)
1428 (% _msthash="315249" _msttexthash="289120" style="color:#4f81bd" %)**AT Command: AT+DISAT**
1429
1430 (% _mstvisible="1" %)
1431 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1432
1433
1434 (% _mstvisible="1" style="text-align: left;" %)
1435 (% _msthash="315250" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1436
1437 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1438 No downlink command for this feature.
1439
1440
1441 (% _mstvisible="1" style="text-align: left;" %)
1442 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1443
1444 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1445 Feature: Set device to sleep mode
1446
1447 * AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1448 * AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1449
1450 (% _mstvisible="1" style="text-align: left;" %)
1451 (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1452
1453 (% _mstvisible="1" %)
1454 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1455
1456 (% _mstvisible="1" %)
1457 (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1458
1459 (% _mstvisible="1" %)
1460 * There is no downlink command to set to Sleep mode.
1461
1462
1463
1464 (% _mstvisible="1" %)
1465 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1466
1467 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1468 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1469
1470 (% _mstvisible="1" %)
1471 (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1472
1473 (% _mstvisible="1" %)
1474 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1475
1476
1477 (% _mstvisible="1" %)
1478 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1479
1480 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1481 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1482
1483
1484 (% _mstvisible="1" %)
1485 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1486
1487 (% _mstvisible="1" %)
1488 (((
1489 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1490 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1491 )))
1492
1493 (% _mstvisible="1" %)
1494 (((
1495 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1496 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.
1497 )))
1498
1499 (% _mstvisible="1" %)
1500 (((
1501 (% _mstvisible="2" %)
1502 (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1503 )))
1504
1505 (% _mstvisible="1" %)
1506 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1507
1508
1509 (% _mstvisible="1" %)
1510 (% _msthash="315255" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1511
1512 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1513 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1514
1515 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1516 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1517
1518
1519 (% _mstvisible="1" %)
1520 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1521
1522 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1523 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1524
1525 (% _mstvisible="1" %)
1526 (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1527
1528 (% _mstvisible="1" %)
1529 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1530
1531
1532 (% _mstvisible="1" %)
1533 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1534
1535 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1536 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1537
1538
1539 (% _mstvisible="1" %)
1540 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1541
1542 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1543 Feature: Print the sector data from start page to stop page (max is 416 pages).
1544
1545 (% _mstvisible="1" %)
1546 (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1547
1548 (% _mstvisible="1" %)
1549 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1550
1551
1552 (% _mstvisible="1" %)
1553 (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1554
1555 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1556 No downlink commands for feature
1557
1558
1559 (% _mstvisible="1" %)
1560 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1561
1562 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1563 Feature: Print the last few data entries
1564
1565 (% _mstvisible="1" %)
1566 (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1567
1568 (% _mstvisible="1" %)
1569 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1570
1571
1572 (% _mstvisible="1" %)
1573 (% _msthash="315261" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1574
1575 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1576 No downlink commands for feature
1577
1578
1579 (% _mstvisible="1" %)
1580 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1581
1582 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1583 Feature: Clear flash storage for data log feature.
1584
1585 (% _mstvisible="1" %)
1586 (% _msthash="315262" _msttexthash="311415" style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1587
1588 (% _mstvisible="1" %)
1589 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1590
1591
1592 (% _mstvisible="1" %)
1593 (% _msthash="315263" _msttexthash="388193" style="color:#4f81bd" %)**Downlink Command: 0xA3**
1594
1595 (% _mstvisible="1" %)
1596 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1597
1598
1599
1600 (% _mstvisible="1" %)
1601 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1602
1603 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1604 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.
1605
1606
1607 (% _mstvisible="1" %)
1608 (% _msthash="315264" _msttexthash="334256" style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1609
1610 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1611 The default factory setting is 0
1612
1613 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1614 (% _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**
1615 (% _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
1616
1617 (% _mstvisible="1" %)
1618 (% _msthash="315265" _msttexthash="383981" style="color:#4f81bd" %)**Downlink Command: 0x34**
1619
1620 (% _mstvisible="1" %)
1621 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1622
1623
1624
1625 (% _mstvisible="1" %)
1626 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1627
1628 (% _mstvisible="1" %)
1629 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1630
1631 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1632 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.
1633
1634 (% _mstvisible="1" %)
1635 (((
1636 (% _mstvisible="2" %)
1637 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1638 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1639 )))
1640
1641 (% _mstvisible="1" %)
1642 (((
1643 (% _mstvisible="2" %)
1644 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1645
1646 )))
1647
1648 (% _mstvisible="1" %)
1649 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1650
1651 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1652 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.
1653
1654 (% _mstvisible="1" %)
1655 [[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"]]
1656
1657 (% _mstvisible="1" %)
1658 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1659
1660 (% _mstvisible="1" %)
1661 (((
1662 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1663 (((
1664 (% _msthash="736723" _msttexthash="35479028" %)
1665 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:
1666 [[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]]
1667 )))
1668
1669 (((
1670
1671 )))
1672
1673 (((
1674 (% _msthash="736724" _msttexthash="12045098" %)
1675 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]]
1676 )))
1677
1678
1679 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1680 = (% _msthash="183170" _msttexthash="37921" _mstvisible="3" %)6. FAQ(%%) =
1681
1682 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1683 == (% _msthash="491075" _msttexthash="437463" %)6.1 How to use AT Command?(%%) ==
1684
1685 (((
1686 (% _msthash="736725" _msttexthash="9345674" %)
1687 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.
1688 )))
1689
1690 [[image:image-20220530085651-1.png||_mstalt="429949"]]
1691
1692
1693 (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1694
1695 (% _msthash="506062" _msttexthash="1187732" %)
1696 **✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1697
1698 (% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1699
1700 (% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1701
1702 (% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1703
1704
1705 (((
1706 (% _msthash="736726" _msttexthash="67213055" %)
1707 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.
1708 )))
1709
1710 (((
1711 (% _msthash="736727" _msttexthash="1907009" %)
1712 Input password and ATZ to activate LHT65N,As shown below:
1713 )))
1714
1715 [[image:image-20220530095701-4.png||_mstalt="430014"]]
1716
1717
1718 (% _msthash="506066" _msttexthash="544869" %)
1719 AT Command List is as below:
1720
1721 (% _msthash="506067" _msttexthash="361920" %)
1722 AT+<CMD>? :  Help on <CMD>
1723
1724 (% _msthash="506068" _msttexthash="243061" %)
1725 AT+<CMD> :  Run <CMD>
1726
1727 (% _msthash="506069" _msttexthash="704197" %)
1728 AT+<CMD>=<value> :  Set the value
1729
1730 (% _msthash="506070" _msttexthash="455676" %)
1731 AT+<CMD>=? :  Get the value
1732
1733 (% _msthash="506071" _msttexthash="670553" %)
1734 AT+DEBUG:  Set more info output
1735
1736 (% _msthash="506072" _msttexthash="485888" %)
1737 ATZ:  Trig a reset of the MCU
1738
1739 (% _msthash="506073" _msttexthash="2068872" %)
1740 AT+FDR:  Reset Parameters to Factory Default, Keys Reserve
1741
1742 (% _msthash="506074" _msttexthash="689169" %)
1743 AT+DEUI:  Get or Set the Device EUI
1744
1745 (% _msthash="506075" _msttexthash="960414" %)
1746 AT+DADDR:  Get or Set the Device Address
1747
1748 (% _msthash="506076" _msttexthash="1079897" %)
1749 AT+APPKEY:  Get or Set the Application Key
1750
1751 (% _msthash="506077" _msttexthash="1326143" %)
1752 AT+NWKSKEY:  Get or Set the Network Session Key
1753
1754 (% _msthash="506078" _msttexthash="1573000" %)
1755 AT+APPSKEY:  Get or Set the Application Session Key
1756
1757 (% _msthash="506079" _msttexthash="1041729" %)
1758 AT+APPEUI:  Get or Set the Application EUI
1759
1760 (% _msthash="506080" _msttexthash="2104206" %)
1761 AT+ADR:  Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1762
1763 (% _msthash="506081" _msttexthash="3369288" %)
1764 AT+TXP:  Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1765
1766 (% _msthash="506082" _msttexthash="1894529" %)
1767 AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1768
1769 (% _msthash="506083" _msttexthash="3864172" %)
1770 AT+DCS:  Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1771
1772 (% _msthash="506084" _msttexthash="1712204" %)
1773 AT+PNM:  Get or Set the public network mode. (0: off, 1: on)
1774
1775 (% _msthash="506085" _msttexthash="1281202" %)
1776 AT+RX2FQ:  Get or Set the Rx2 window frequency
1777
1778 (% _msthash="506086" _msttexthash="2796781" %)
1779 AT+RX2DR:  Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1780
1781 (% _msthash="506087" _msttexthash="3285165" %)
1782 AT+RX1DL:  Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1783
1784 (% _msthash="506088" _msttexthash="3286179" %)
1785 AT+RX2DL:  Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1786
1787 (% _msthash="506089" _msttexthash="4703803" %)
1788 AT+JN1DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1789
1790 (% _msthash="506090" _msttexthash="4704999" %)
1791 AT+JN2DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1792
1793 (% _msthash="506091" _msttexthash="1528683" %)
1794 AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1795
1796 (% _msthash="506092" _msttexthash="757185" %)
1797 AT+NWKID:  Get or Set the Network ID
1798
1799 (% _msthash="506093" _msttexthash="1156597" %)
1800 AT+FCU:  Get or Set the Frame Counter Uplink
1801
1802 (% _msthash="506094" _msttexthash="1273987" %)
1803 AT+FCD:  Get or Set the Frame Counter Downlink
1804
1805 (% _msthash="506095" _msttexthash="859222" %)
1806 AT+CLASS:  Get or Set the Device Class
1807
1808 (% _msthash="506096" _msttexthash="384852" %)
1809 AT+JOIN:  Join network
1810
1811 (% _msthash="506097" _msttexthash="548626" %)
1812 AT+NJS:  Get the join status
1813
1814 (% _msthash="506098" _msttexthash="2546206" %)
1815 AT+SENDB:  Send hexadecimal data along with the application port
1816
1817 (% _msthash="506099" _msttexthash="1932307" %)
1818 AT+SEND:  Send text data along with the application port
1819
1820 (% _msthash="506100" _msttexthash="3560557" %)
1821 AT+RECVB:  Print last received data in binary format (with hexadecimal values)
1822
1823 (% _msthash="506101" _msttexthash="1429701" %)
1824 AT+RECV:  Print last received data in raw format
1825
1826 (% _msthash="506102" _msttexthash="1735981" %)
1827 AT+VER:  Get current image version and Frequency Band
1828
1829 (% _msthash="506103" _msttexthash="1189474" %)
1830 AT+CFM:  Get or Set the confirmation mode (0-1)
1831
1832 (% _msthash="506104" _msttexthash="1718210" %)
1833 AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1834
1835 (% _msthash="506105" _msttexthash="1339403" %)
1836 AT+SNR:  Get the SNR of the last received packet
1837
1838 (% _msthash="506106" _msttexthash="1452009" %)
1839 AT+RSSI:  Get the RSSI of the last received packet
1840
1841 (% _msthash="506107" _msttexthash="2768142" %)
1842 AT+TDC:  Get or set the application data transmission interval in ms
1843
1844 (% _msthash="506108" _msttexthash="1083914" %)
1845 AT+PORT:  Get or set the application port
1846
1847 (% _msthash="506109" _msttexthash="622440" %)
1848 AT+DISAT:  Disable AT commands
1849
1850 (% _msthash="506110" _msttexthash="868361" %)
1851 AT+PWORD:  Set password, max 9 digits
1852
1853 (% _msthash="506111" _msttexthash="2210299" %)
1854 AT+CHS:  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1855
1856 (% _msthash="506112" _msttexthash="2113462" %)
1857 AT+CHE:  Get or Set eight channels mode,Only for US915,AU915,CN470
1858
1859 (% _msthash="506113" _msttexthash="2087423" %)
1860 AT+PDTA:  Print the sector data from start page to stop page
1861
1862 (% _msthash="506114" _msttexthash="1063127" %)
1863 AT+PLDTA:  Print the last few sets of data
1864
1865 (% _msthash="506115" _msttexthash="1999426" %)
1866 AT+CLRDTA:  Clear the storage, record position back to 1st
1867
1868 (% _msthash="506116" _msttexthash="442130" %)
1869 AT+SLEEP:  Set sleep mode
1870
1871 (% _msthash="506117" _msttexthash="1080222" %)
1872 AT+EXT:  Get or Set external sensor model
1873
1874 (% _msthash="506118" _msttexthash="1309490" %)
1875 AT+BAT:  Get the current battery voltage in mV
1876
1877 (% _msthash="506119" _msttexthash="813891" %)
1878 AT+CFG:  Print all configurations
1879
1880 (% _msthash="506120" _msttexthash="551707" %)
1881 AT+WMOD:  Get or Set Work Mode
1882
1883 (% _msthash="506121" _msttexthash="2631499" %)
1884 AT+ARTEMP:  Get or set the internal Temperature sensor alarm range
1885
1886 (% _msthash="506122" _msttexthash="3907150" %)
1887 AT+CITEMP:  Get or set the internal Temperature sensor collection interval in min
1888
1889 (% _msthash="506123" _msttexthash="854620" %)
1890 AT+SETCNT:  Set the count at present
1891
1892 (% _msthash="506124" _msttexthash="2554877" %)
1893 AT+RJTDC:  Get or set the ReJoin data transmission interval in min
1894
1895 (% _msthash="506125" _msttexthash="771849" %)
1896 AT+RPL:  Get or set response level
1897
1898 (% _msthash="506126" _msttexthash="1484314" %)
1899 AT+TIMESTAMP:  Get or Set UNIX timestamp in second
1900
1901 (% _msthash="506127" _msttexthash="741728" %)
1902 AT+LEAPSEC:  Get or Set Leap Second
1903
1904 (% _msthash="506128" _msttexthash="1694017" %)
1905 AT+SYNCMOD:  Get or Set time synchronization method
1906
1907 (% _msthash="506129" _msttexthash="2235948" %)
1908 AT+SYNCTDC:  Get or set time synchronization interval in day
1909
1910 (% _msthash="506130" _msttexthash="425542" %)
1911 AT+PID:  Get or set the PID
1912
1913
1914 == (% _msthash="1616654" _msttexthash="1555359" %)6.2 Where to use AT commands and Downlink commands(%%) ==
1915
1916 (% _msthash="506131" _msttexthash="14585714" %)
1917 AT commands：
1918
1919 [[image:image-20220615092034-1.png||_mstalt="428870"]]
1920
1921 (% _msthash="506132" _msttexthash="337922" %)
1922 Downlink commands:
1923
1924
1925 (% _msthash="506133" _msttexthash="33046" %)
1926 **TTN:**
1927
1928 [[image:image-20220615092124-2.png||_mstalt="429221" height="843" width="893"]]
1929
1930
1931 (% _msthash="506134" _msttexthash="11113791" %)
1932 **Helium：**
1933
1934 [[image:image-20220615092551-3.png||_mstalt="430794" height="556" width="1097"]]
1935
1936
1937 (% _msthash="506135" _msttexthash="4159844" %)
1938 **Chirpstack:The downlink window will not be displayed until the network is accessed**
1939
1940 [[image:image-20220615094850-6.png||_mstalt="433082"]]
1941
1942 [[image:image-20220615094904-7.png||_mstalt="433485" height="329" width="1067"]]
1943
1944
1945 (% _msthash="506136" _msttexthash="39286" %)
1946 **Aws:**
1947
1948 [[image:image-20220615092939-4.png||_mstalt="434460" height="532" width="1062"]]
1949
1950
1951 == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
1952
1953 [[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"]]
1954
1955
1956 (% _msthash="536757" _msttexthash="1874951" %)
1957 == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1958
1959 [[image:image-20220615153355-1.png]]
1960
1961 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1962
1963 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1964
1965 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1966
1967 [[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1968
1969
1970 (((
1971 (% _msthash="736728" _msttexthash="67213055" %)
1972 (((
1973 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.
1974 )))
1975 )))
1976
1977 (((
1978 (% _msthash="736729" _msttexthash="1907009" %)
1979 Input password and ATZ to activate LHT65N,As shown below:
1980
1981 [[image:image-20220615154519-3.png]]
1982
1983
1984 )))
1985
1986
1987 == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1988
1989 [[image:image-20220615153355-1.png]]
1990
1991 (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
1992
1993 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1994
1995 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1996
1997 Use after connection， ground wire（1 < - -> GND  < - ->  Black） for 1s and then pull it out.Then restart the device.
1998
1999
2000 (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2001
2002 [[image:image-20220615170542-5.png]]
2003
2004
2005 (% _msthash="506146" _msttexthash="52173160" %)
2006 (% _istranslated="1" %)**Step2**(%%)：Download the LHT65N image files.
2007
2008
2009 (% _msthash="506147" _msttexthash="188083584" %)
2010 (% _istranslated="1" %)**Step3：**(%%)Select the serial port and baud rate of the device and the firmware to be upgraded.
2011
2012 [[image:image-20220615171334-6.png]]
2013
2014
2015 (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2016
2017
2018 )))
2019
2020 (% _mstvisible="1" %)
2021 = (% _msthash="183170" _msttexthash="13740740" _mstvisible="3" %)7. (%%)Order Info =
2022
2023 (% _mstvisible="1" %)
2024 (((
2025 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
2026 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
2027 )))
2028
2029 (% _mstvisible="1" %)
2030 (((
2031 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
2032 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
2033 )))
2034
2035 (% _mstvisible="1" %)
2036 * (% _mstvisible="3" %)
2037 (((
2038 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
2039 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2040 )))
2041 * (% _mstvisible="3" %)
2042 (((
2043 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
2044 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2045 )))
2046 * (% _mstvisible="3" %)
2047 (((
2048 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
2049 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2050 )))
2051 * (% _mstvisible="3" %)
2052 (((
2053 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
2054 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2055 )))
2056 * (% _mstvisible="3" %)
2057 (((
2058 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
2059 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2060 )))
2061 * (% _mstvisible="3" %)
2062 (((
2063 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
2064 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2065 )))
2066 * (% _mstvisible="3" %)
2067 (((
2068 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
2069 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2070 )))
2071 * (% _mstvisible="3" %)
2072 (((
2073 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
2074 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2075 )))
2076
2077 (% _mstvisible="1" %)
2078 (((
2079 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
2080 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
2081 )))
2082
2083 (% _mstvisible="1" %)
2084 * (% _mstvisible="3" %)
2085 (((
2086 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2087 (% style="color:red" %)**E3**(%%): External Temperature Probe
2088
2089
2090 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
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="903337" _msttexthash="242567" _mstvisible="4" %)
2115 Program cable x 1
2116 )))
2117 * (% _mstvisible="3" %)
2118 (((
2119 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2120 Optional external sensor
2121 )))
2122
2123 (% _mstvisible="1" %)
2124 (((
2125 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
2126 (% _mstvisible="3" %)**Dimension and weight**(%%):
2127 )))
2128
2129 (% _mstvisible="1" %)
2130 * (% _mstvisible="3" %)
2131 (((
2132 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
2133 Device Size:  10 x 10 x 3.5 cm
2134 )))
2135 * (% _mstvisible="3" %)
2136 (((
2137 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
2138 Device Weight: 120.5g
2139 )))
2140
2141 (% _mstvisible="3" %)
2142 (((
2143
2144
2145 (% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
2146
2147 )))
2148
2149 = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
2150
2151 * [[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"]]
2152
2153 = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2154
2155 (% _mstvisible="1" %)
2156 (((
2157 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
2158 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2159 )))
2160
2161 (% _mstvisible="1" %)
2162 (((
2163 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
2164 (1) This device may not cause harmful interference；
2165 )))
2166
2167 (% _mstvisible="1" %)
2168 (((
2169 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
2170 (2) this device must accept any interference received, including interference that may cause undesired operation.
2171 )))