Version 20.1 by Edwin Chen on 2023/04/09 10:07
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12 **Table of Contents：**
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14 {{toc/}}
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23
24 = 1. Introduction =
25
26 == 1.1 What is LHT65N-PIR Temperature,Humidity & PIR Sensor ==
27
28 The Dragino (% style="color:blue" %)**LHT65N-PIR Temperature, Humidity & PIR sensor**(%%) is a Long Range LoRaWAN Sensor.It includes a (% style="color:blue" %)**built-in Temperature & Humidity sensor**(%%) and has an (% style="color:blue" %)**external PIR Probe**(%%)**.** LHT65N-PIR can detect environment Temperature & Humdity, it also detects (% style="color:blue" %)**People Activity**(%%) via PIR probe and them send these info to LoRaWAN IoT Server.
29
30 The LHT65N-PIR 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.
31
32 LHT65N-PIR has a (% style="color:blue" %)**built-in 2400mAh non-chargeable battery**(%%) which can be used for more than 5 years*.
33
34 LHT65N-PIR supports (% style="color:blue" %)**wireless configure & OTA update**(%%) which make user easy to use.
35
36 LHT65N-PIR is fully compatible with (% style="color:blue" %)**LoRaWAN v1.0.3 Class A protocol**(%%), it can work with a standard LoRaWAN gateway.
37
38
39 **~*~***The actual battery life depends on how often to send data, please see battery analyzer chapter.
40
41
42 == 1.2 Features ==
43
44 * LoRaWAN v1.0.3 Class A protocol
45 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
46 * AT Commands to change parameters
47 * Remote configure parameters via LoRaWAN Downlink
48 * Support wireless OTA update firmware
49 * Firmware upgradeable via program port
50 * Built-in 2400mAh battery for up to 5 years of use.
51 * Built-in Temperature & Humidity sensor
52 * External PIR Sensor
53 * Tri-color LED to indicate working status(% style="display:none" %)
54
55 == 1.3 Specification ==
56
57
58 (% style="color:#037691" %)**Built-in Temperature Sensor:**
59
60 * Resolution: 0.01 °C
61 * Accuracy Tolerance : Typ ±0.3 °C
62 * Long Term Drift: < 0.02 °C/yr
63 * Operating Range: -40 ~~ 85 °C
64
65 (% style="color:#037691" %)**Built-in Humidity Sensor:**
66
67 * Resolution: 0.04 %RH
68 * Accuracy Tolerance : Typ ±3 %RH
69 * Long Term Drift: < 0.02 °C/yr
70 * Operating Range: 0 ~~ 96 %RH
71
72 (% class="mark" style="color:#037691" %)**External PIR Sensor:**
73
74 * (% class="mark" %)Base on BH1750 Illumination Sensor
75 * (% class="mark" %)Cable Length : 50cm
76 * (% class="mark" %)Resolution: 1 lx
77 * (% class="mark" %)Range: 0-65535 lx
78 * (% class="mark" %)Operating Range: -40 °C ~~ 85 °C
79 *
80
81 = 2. Connect LHT65N-PIR to IoT Server =
82
83 == 2.1 How does LHT65N-PIR work? ==
84
85 LHT65N-PIR is configured as LoRaWAN OTAA Class A sensor by default. Each LHT65N-PIR is shipped with a worldwide unique set of OTAA keys. To use LHT65N-PIR in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N-PIR.
86
87 If LHT65N-PIR is within the coverage of this LoRaWAN network. LHT65N-PIR can join the LoRaWAN network automatically. After successfully joining, LHT65N-PIR will start to measure environment temperature, humidity & people activity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
88
89
90 == 2.2 How to Activate LHT65N-PIR? ==
91
92 The LHT65N-PIR has two working modes:
93
94 * (% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N-PIR doesn't have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
95
96 * (% style="color:blue" %)**Working Mode**(%%):  In this mode, LHT65N-PIR 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-PIR will be in STOP mode (IDLE mode), in STOP mode, the PIR sensor is still working to detect people activity in low power consumption.
97
98 The LHT65N-PIR is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
99
100
101 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N-E5%20LoRaWAN%20Temperature_Humidity%20%26%20Illuminance%20Sensor%20User%20Manual/WebHome/image-20220515123819-1.png?width=317&height=379&rev=1.1||alt="image-20220515123819-1.png" height="379" width="317"]]
102
103 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N-E5%20LoRaWAN%20Temperature_Humidity%20%26%20Illuminance%20Sensor%20User%20Manual/WebHome/image-20220525110604-2.png?rev=1.1||alt="image-20220525110604-2.png"]]
104
105
106 == 2.3 Example to join LoRaWAN network ==
107
108
109 (% class="wikigeneratedid" %)
110 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.
111
112
113 (% class="wikigeneratedid" %)
114 [[image:image-20230409080812-1.png||height="487" width="785"]]
115
116
117 Assume the LPS8v2 is already set to connect to [[TTN V3 network>>url:https://eu1.cloud.thethings.network||_mstvisible="2"]], So it provides network coverage for LHT65N-PIR. Next we need to add the LHT65N-PIR device in TTN V3:
118
119
120 === 2.3.1 Step 1: Create Device n TTN ===
121
122
123 Create a device in TTN V3 with the OTAA keys from LHT65N-PIR.
124
125 Each LHT65N-PIR is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
126
127 [[image:image-20220617150003-1.jpeg||_mstalt="5426434"]]
128
129 User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
130
131 Add APP EUI in the application.
132
133
134 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220522232916-3.png||_mstalt="430495"]]
135
136
137 [[image:image-20220522232932-4.png||_mstalt="430157"]]
138
139
140 [[image:image-20220522232954-5.png||_mstalt="431847"]]
141
142
143
144 (% style="color:red" %)**Note: LHT65N-PIR use same payload decoder as LHT65.**
145
146
147 Input APP EUI,  APP KEY and DEV EUI:
148
149
150 [[image:image-20220522233118-7.png||_mstalt="430430"]]
151
152
153 === 2.3.2 Step 2: Activate LHT65N-PIR by pressing the ACT button for more than 5 seconds. ===
154
155 Use ACT button to activate LHT65N-PIR 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.
156 [[image:image-20220522233300-8.png||_mstalt="428389" height="219" width="722"]]
157
158
159 == 2.4 Uplink Payload~-~-Device Status, (Fport~=5) ==
160
161 Users can use the downlink command(**0x26 01**) to ask LHT65N-PIR to send device configure detail, include device configure status. LHT65N-PIR will uplink a payload via FPort=5 to server.
162
163 The Payload format is as below.
164
165 |(% colspan="6" %)**Device Status (FPORT=5)**
166 |**Size (bytes)**|**1**|**2**|**1**|**1**|**2**
167 |**Value**|Sensor Model|Firmware Version|Frequency Band|Sub-band|BAT
168
169 Example parse in TTNv3
170
171 [[image:1675144504430-490.png]]
172
173 **Sensor Model**: For LHT65N-PIR, this value is 0x1A
174
175 **Firmware Version**: 0x0100, Means: v1.0.0 version
176
177 **Frequency Band**:
178
179 *0x01: EU868
180
181 *0x02: US915
182
183 *0x03: IN865
184
185 *0x04: AU915
186
187 *0x05: KZ865
188
189 *0x06: RU864
190
191 *0x07: AS923
192
193 *0x08: AS923-1
194
195 *0x09: AS923-2
196
197 *0x0a: AS923-3
198
199 *0x0b: CN470
200
201 *0x0c: EU433
202
203 *0x0d: KR920
204
205 *0x0e: MA869
206
207 **Sub-Band**:
208
209 AU915 and US915:value 0x00 ~~ 0x08
210
211 CN470: value 0x0B ~~ 0x0C
212
213 Other Bands: Always 0x00
214
215 **Battery Info**:
216
217 Check the battery voltage.
218
219 Ex1: 0x0B45 = 2885mV
220
221 Ex2: 0x0B49 = 2889mV
222
223
224 == 2.5 Uplink Payload, Sensor Data  ( Fport~=2) ==
225
226 The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
227
228 After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
229
230 (% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:390px" %)
231 |=(% style="width: 60px;" %)(((
232 **Size(bytes)**
233 )))|=(% style="width: 30px;" %)(((
234 **2**
235 )))|=(% style="width: 100px;" %)(((
236 **2**
237 )))|=(% style="width: 100px;" %)(((
238 **2**
239 )))|=(% style="width: 50px;" %)(((
240 **1**
241 )))|=(% style="width: 50px;" %)(((
242 **4**
243 )))
244 |(% style="width:97px" %)(((
245 **Value**
246 )))|(% style="width:39px" %)(((
247 [[BAT>>||anchor="H2.4.2BAT-BatteryInfo"]]
248 )))|(% style="width:100px" %)(((
249 (((
250 [[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature"]]
251 )))
252 )))|(% style="width:77px" %)(((
253 (((
254 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
255 )))
256 )))|(% style="width:47px" %)(((
257 [[Ext>>||anchor="H2.4.5Ext23"]] #
258 )))|(% style="width:51px" %)(((
259 [[Ext value>>||anchor="H2.4.6Extvalue"]]
260 )))
261
262 * The First 6 bytes: has fix meanings for every LHT65N-PIR.
263 * The 7th byte (EXT #): defines the external sensor model. It can be 0x0A for LHT65N-PIR
264 * The 8^^th^^ byte: Alarm Bit (if this uplink is from periodically or movement)
265 * The 9^^th^^ ~~ 11^^st^^  byte: Movement Detect Count.
266
267 === 2.5.1 Decoder in TTN V3 ===
268
269
270 When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N-PIR decoder in TTNv3 for friendly reading.
271
272 Below is the position to put the decoder and LHT65N-PIR decoder can be download from here: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
273
274
275 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220522234118-10.png||_mstalt="451464" height="353" width="729"]]
276
277
278 === 2.5.2 BAT-Battery Info ===
279
280
281 These two bytes of BAT include the battery state and the actually voltage
282
283 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220523152839-18.png||_mstalt="457613"]]
284
285
286 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220522235639-1.png||_mstalt="431392" height="139" width="727"]]
287
288
289 Check the battery voltage for LHT65N-PIR.
290
291 * BAT status=(0xcba4>>14)&0xFF=11(B)，very good
292 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
293
294 === 2.5.3 Built-in Temperature ===
295
296 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220522235639-2.png||_mstalt="431756" height="138" width="722"]]
297
298 * Temperature:  0x0ABB/100=27.47℃
299
300 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220522235639-3.png||_mstalt="432120"]]
301
302 * Temperature:  (0xF5C6-65536)/100=-26.18℃
303
304 === 2.5.4 Built-in Humidity ===
305
306 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220522235639-4.png||_mstalt="432484" height="138" width="722"]]
307
308 * Humidity:    0x025C/10=60.4%
309
310 === 2.5.5 Ext value ===
311
312 ==== 2.5.5.1 Ext~=0x0A, PIR Sensor ====
313
314 [[image:image-20221224161634-2.png||height="138" width="851"]]
315
316
317 ==== 2.5.5.2 Ext Value ====
318
319 There are 4 bytes in Ext Value field.
320
321 Bit0 of byte 8th shows if this uplink is generate by PIR activity.
322
323 (% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:490px" %)
324 |=(% style="width: 147px;" %)(((
325 **The 8^^th^^ byte**
326 )))|=(% style="width: 108px;" %)(((
327 **Bit 1~~7**
328 )))|=(% style="width: 228px;" %)(((
329 **Bit 0**
330 )))
331 |(% style="width:147px" %)(((
332 **Value**
333 )))|(% style="width:108px" %)(((
334 Reserve
335 )))|(% style="width:228px" %)(((
336 (((
337 0: Normal Uplink
338
339 1: Uplink by activity detected
340 )))
341 )))
342
343 **Note**: Uplink by activity is disable by default.
344
345
346 The 9^^th^^ ~~ 11^^st^^  byte: Movement Detect Count.
347
348 0x00 E5 09 : Total detect 58633 activity since end node start.
349
350
351 == 2.6 Show data on Datacake ==
352
353 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:
354
355 (% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
356
357 (% style="color:blue" %)**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.
358
359 Add Datacake:
360
361 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220523000825-7.png||_mstalt="429884" height="262" width="583"]]
362
363
364
365 Select default key as Access Key:
366
367
368 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220523000825-8.png||_mstalt="430248" height="453" width="406"]]
369
370
371 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
372
373
374 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20221224161935-5.png||height="523" width="409"]]
375
376
377 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20221224161957-6.png||height="306" width="852"]]
378
379
380
381 == 2.7 LED Indicator ==
382
383
384 The LHT65N-PIR has a triple color LED which for easy showing different stage .
385
386 While user press ACT button, the LED will work as per LED status with ACT button.
387
388 In a normal working state:
389
390 * For each uplink, the BLUE LED or RED LED will blink once.
391 BLUE LED when external sensor is connected.
392 * RED LED when external sensor is not connected
393 * For each success downlink, the PURPLE LED will blink once
394
395 == 2.8 installation ==
396
397 ~1. Don't install LHT65N-PIR outdoor or place where will get wet
398
399 2. Towards the PIR probe to the place where need to monitor activity.
400
401
402
403 = 3. Sensors and Accessories =
404
405 == 3.1 E2 Extension Cable ==
406
407
408 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220619092222-1.png||_mstalt="429533" height="182" width="188"]][[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220619092313-2.png||_mstalt="430222" height="182" width="173"]]
409
410
411 **1m long breakout cable for LHT65N-E5. Features:**
412
413 * (((
414 Use for AT Command
415 )))
416 * (((
417 Update firmware for LHT65N-PIR
418 )))
419
420 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220619092421-3.png||_mstalt="430547" height="371" width="529"]]
421
422
423 = 4. Configure LHT65N-PIR =
424
425 == 4.1 Configure Methods: ==
426
427
428 LHT65N-PIR supports below configure method:
429
430 * AT Command via UART Connection : See [[FAQ>>path:#H7.FAQ]].
431 * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>url:http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
432
433 == 4.2 General Commands ==
434
435
436 These commands are to configure:
437
438 * General system settings like: uplink interval.
439 * LoRaWAN protocol & radio related command.
440
441 They are same for all Dragino Devices which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:
442
443 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
444
445
446 == 4.3 Commands special design for LHT65N-PIR ==
447
448
449 These commands only valid for LHT65N-PIR, as below:
450
451
452 === 4.3.1 Set Transmit Interval Time ===
453
454
455 Feature: Change LoRaWAN End Node Transmit Interval.
456
457
458 (% style="color:#4f81bd" %)**AT Command: AT+TDC**
459
460 [[image:image-20220523150701-2.png||_mstalt="427453"]]
461
462
463 (% style="color:#4f81bd" %)**Downlink Payload: 0x01**
464
465 Format: Command Code (0x01) followed by 3 bytes time value.
466
467 If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.
468
469 * **Example 1**: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
470
471 * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
472
473 === 4.3.2 Get Device Status ===
474
475 Send a LoRaWAN downlink to ask device send Alarm settings.
476
477 * (% style="color:#4f81bd" %)**Downlink Payload**(%%)**:  **0x26 01
478
479 Sensor will upload Device Status via FPORT=5. See payload section for detail.
480
481
482 === 4.3.3 Set Password ===
483
484
485 Feature: Set device password, max 9 digits
486
487
488 (% style="color:#4f81bd" %)**AT Command: AT+EXT**
489
490 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
491 |Command Example|Function|Response
492 |AT+EXT=?|Get or Set external sensor model|(((
493 5
494
495 OK
496 )))
497 |AT+EXT=5|(% colspan="2" %)Set external sensor mode to 5
498
499 (% style="color:#4f81bd" %)**Downlink Command:0xA2**
500
501
502 Total bytes: 2 bytes
503
504 **Example:**
505
506 * 0xA205: Set external sensor type to E5
507
508 === 4.3.4 Set to sleep mode ===
509
510
511 Feature: Set device to sleep mode
512
513 * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
514 * **AT+Sleep=1** :  Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
515
516 (% style="color:#4f81bd" %)**AT Command: AT+SLEEP**
517
518 [[image:image-20220523151218-7.png||_mstalt="430703"]]
519
520
521 (% style="color:#4f81bd" %)**Downlink Command:**
522
523 * There is no downlink command to set to Sleep mode.
524
525 === 4.3.5 Set UOA (Uplink on Activity) ===
526
527 Feature: Enable / Disable Uplink on Activity
528
529 * **AT+UOA=0**  : Disable UoA
530 * **AT+UOA=1,2** :  Enable UoA , Calm Down Time: 2 minutes. If device already send a uplink on activity, it will not send another uplink on activiy in 2 minutes, even detect activity.
531
532 Notice: Calm Down time range is 1 ~~ 65535 minutes. If user set Calm Down time to low value, such as 1 minute, the sensor might send uplink very frequenctly and battery drain fast.
533
534 (% style="color:#4f81bd" %)**AT Command: AT+UOA**
535
536
537 (% style="color:#4f81bd" %)**Downlink Command:  **(% class="mark" %)**xxxxxxx**
538
539
540 = 5. Battery & Power Consumption =
541
542 LHT65N-PIR use **CR17450** battery pack. See below link for detail information about the battery info and how to replace.
543
544 [[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
545
546
547 = 6. OTA firmware update =
548
549 Please see this link for how to do OTA firmware update: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]
550
551
552 = 7. FAQ =
553
554 == 7.1 How to use AT Command? ==
555
556
557 LHT65N-E5 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.
558
559
560 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615153355-1.png||_mstalt="430222"]]
561
562
563
564 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@1655802313617-381.png||_mstalt="293917"]]
565
566
567 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-E5. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**(% style="color:red" %))(%%) to active it. Timeout to input AT Command is 5 min, after 5-minute, user need to input password again. User can use AT+DISAT command to disable AT command before timeout.
568
569 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615154519-3.png||_mstalt="431925" height="672" width="807"]]
570
571
572
573 == 7.2 Where to use AT commands and Downlink commands ==
574
575
576 **AT commands：**
577
578 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220620153708-1.png||_mstalt="429806" height="603" width="723"]]
579
580
581 **Downlink commands:**
582
583
584
585 (% style="color:blue" %)**TTN:**
586
587 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
588
589
590
591 (% style="color:blue" %)**Helium：**
592
593 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
594
595
596
597 (% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
598
599
600 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615094850-6.png||_mstalt="433082"]]
601
602
603 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
604
605
606
607 (% style="color:blue" %)**Aws:**
608
609 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
610
611
612 == 6.3 How to change the uplink interval？ ==
613
614 Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
615
616 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615154519-3.png||_mstalt="431925" height="672" width="807"]]
617
618
619 == 7.4 How to use TTL-USB to connect PC to upgrade firmware? ==
620
621 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615153355-1.png||_mstalt="430222"]]
622
623 (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
624
625 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615170542-5.png||_mstalt="430638"]]
626
627 (% _mstmutation="1" style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
628
629 First connect the four lines；(% style="display:none" %)
630
631 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220621170938-1.png||_mstalt="431340" height="413" width="419"]]，(% style="display:none" %)
632
633
634 Then use DuPont cable to short circuit port3 and port1, and then release them, so that the device enters bootlaod mode.
635
636 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220621170938-2.png||_mstalt="431704"]]
637
638
639
640 (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
641
642 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615171334-6.png||_mstalt="431028"]]
643
644
645 Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
646
647
648 When this interface appears, it indicates that the download has been completed.
649
650 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220620160723-8.png||_mstalt="430703"]]
651
652
653 Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
654
655
656
657 [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615154519-3.png||_mstalt="431925" height="672" width="807"]]
658
659
660 = 8. Order Info =
661
662
663 Part Number: (% style="color:#4f81bd" %)** LHT65N-PIR-XX**
664
665 (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
666
667 * (% style="color:#4f81bd" %)** **(% _mstmutation="1" style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
668 * (% style="color:#4f81bd" %)** **(% _mstmutation="1" style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
669 * (% style="color:#4f81bd" %)** **(% _mstmutation="1" style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
670 * (% style="color:#4f81bd" %)** **(% _mstmutation="1" style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
671 * (% style="color:#4f81bd" %)** **(% _mstmutation="1" style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
672 * (% style="color:#4f81bd" %)** **(% _mstmutation="1" style="color:red" %)**US915**(%%): LoRaWAN US915 band
673 * (% style="color:#4f81bd" %)** **(% _mstmutation="1" style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
674 * (% style="color:#4f81bd" %)** **(% _mstmutation="1" style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
675
676 = 9. Packing Info =
677
678
679 **Package Includes**:
680
681 * LHT65N-PIR Temperature/Humidity/PIR Sensor x 1
682
683 **Dimension and weight**:
684
685 * Device Size:  10 x 10 x 3.5 mm
686 * Device Weight: 120.5g
687
688 = 10. Reference material =
689
690
691 * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0]]
692
693 = 11. FCC Warning =
694
695
696 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
697
698 (1) This device may not cause harmful interference；
699
700 (2) this device must accept any interference received, including interference that may cause undesired operation.
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