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Last modified by Xiaoling on 2025/06/10 09:17
From version 45.6
edited by Xiaoling
on 2023/05/27 08:59
Change comment: There is no comment for this version
To version 37.8
edited by Xiaoling
on 2023/04/27 09:29
Change comment: There is no comment for this version

Summary

Details

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Content
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1 1  (% style="text-align:center" %)
2 -[[image:LHT65N-PIR1.jpg||alt="image-20221206143242-2.png" height="484" width="485"]]
2 +[[image:image-20221206143242-2.png||height="602" width="551"]]
3 3  
4 4  
5 5  
6 6  
7 +
8 +
9 +
10 +
11 +
7 7  **Table of Contents：**
8 8  
9 9  {{toc/}}
... ... @@ -13,11 +13,13 @@
13 13  
14 14  
15 15  
21 +
22 +
23 +
16 16  = 1. Introduction =
17 17  
18 18  == 1.1 What is LHT65N-PIR Temperature,Humidity & PIR Sensor ==
19 19  
20 -
21 21  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.
22 22  
23 23  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.
... ... @@ -28,12 +28,12 @@
28 28  
29 29  LHT65N-PIR is fully compatible with (% style="color:blue" %)**LoRaWAN v1.0.3 Class A protocol**(%%), it can work with a standard LoRaWAN gateway.
30 30  
38 +
31 31  **~*~***The actual battery life depends on how often to send data, please see battery analyzer chapter.
32 32  
33 33  
34 34  == 1.2 Features ==
35 35  
36 -
37 37  * LoRaWAN v1.0.3 Class A protocol
38 38  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
39 39  * AT Commands to change parameters
... ... @@ -43,12 +43,8 @@
43 43  * Built-in 2400mAh battery for up to 5 years of use.
44 44  * Built-in Temperature & Humidity sensor
45 45  * External PIR Sensor
46 -* Tri-color LED to indicate working status
53 +* Tri-color LED to indicate working status(% style="display:none" %)
47 47  
48 -
49 -
50 -(% style="display:none" %)
51 -
52 52  == 1.3 Specification ==
53 53  
54 54  
... ... @@ -66,19 +66,19 @@
66 66  * Long Term Drift: < 0.02 °C/yr
67 67  * Operating Range: 0 ~~ 96 %RH
68 68  
69 -(% style="color:#037691" %)**External PIR Sensor:**
72 +(% class="mark" style="color:#037691" %)**External PIR Sensor:**
70 70  
71 -* Base on RDB223 Sensor
72 -* Cable Length : 1 meter
73 -* Stable detect distance : 0~~3 meter
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 +*
74 74  
75 -
76 -
77 77  = 2. Connect LHT65N-PIR to IoT Server =
78 78  
79 79  == 2.1 How does LHT65N-PIR work? ==
80 80  
81 -
82 82  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.
83 83  
84 84  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.
... ... @@ -86,7 +86,6 @@
86 86  
87 87  == 2.2 How to Activate LHT65N-PIR? ==
88 88  
89 -
90 90  The LHT65N-PIR has two working modes:
91 91  
92 92  * (% 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.
... ... @@ -99,6 +99,7 @@
99 99  [[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"]]
100 100  
101 101  
104 +
102 102  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
103 103  |=(% style="width: 167px;background-color:#D9E2F3;color:#0070C0" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 225px;background-color:#D9E2F3;color:#0070C0" %)**Action**
104 104  |(% style="background-color:#f2f2f2; width:167px" %)Pressing ACT between 1s < time < 3s|(% style="background-color:#f2f2f2; width:117px" %)Test uplink status|(% style="background-color:#f2f2f2; width:225px" %)(((
... ... @@ -110,8 +110,6 @@
110 110  )))
111 111  |(% style="background-color:#f2f2f2; width:167px" %)Fast press ACT 5 times.|(% style="background-color:#f2f2f2; width:117px" %)Deactivate Device|(% style="background-color:#f2f2f2; width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means LHT65N is in Deep Sleep Mode.
112 112  
113 -
114 -
115 115  == 2.3 Example to join LoRaWAN network ==
116 116  
117 117  
... ... @@ -133,7 +133,7 @@
133 133  
134 134  Each LHT65N-PIR is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
135 135  
136 -[[image:image-20230426083533-1.png||height="286" width="616"]]
137 +[[image:image-20230426083533-1.png]]
137 137  
138 138  
139 139  User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
... ... @@ -184,15 +184,14 @@
184 184  
185 185  Example parse in TTNv3
186 186  
187 -[[image:image-20230508151932-1.png]]
188 +[[image:1675144504430-490.png]]
188 188  
190 +**Sensor Model**: For LHT65N-PIR, this value is 0x1A
189 189  
190 -(% style="color:blue" %)**Sensor Model**(%%): For LHT65N-PIR, this value is 0x1A
192 +**Firmware Version**: 0x0100, Means: v1.0.0 version
191 191  
192 -(% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
194 +**Frequency Band**:
193 193  
194 -(% style="color:blue" %)**Frequency Band**:
195 -
196 196  *0x01: EU868
197 197  
198 198  *0x02: US915
... ... @@ -221,15 +221,15 @@
221 221  
222 222  *0x0e: MA869
223 223  
224 -(% style="color:blue" %)**Sub-Band**:
224 +**Sub-Band**:
225 225  
226 -AU915 and US915: value 0x00 ~~ 0x08
226 +AU915 and US915:value 0x00 ~~ 0x08
227 227  
228 228  CN470: value 0x0B ~~ 0x0C
229 229  
230 230  Other Bands: Always 0x00
231 231  
232 -(% style="color:blue" %)**Battery Info**:
232 +**Battery Info**:
233 233  
234 234  Check the battery voltage.
235 235  
... ... @@ -246,21 +246,21 @@
246 246  After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
247 247  
248 248  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:390px" %)
249 -|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)(((
249 +|=(% style="width: 60px;background-color:#D9E2F3" %)(((
250 250  **Size(bytes)**
251 -)))|=(% style="width: 30px;background-color:#D9E2F3;color:#0070C0" %)(((
251 +)))|=(% style="width: 30px;background-color:#D9E2F3" %)(((
252 252  **2**
253 -)))|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)(((
253 +)))|=(% style="width: 100px;background-color:#D9E2F3" %)(((
254 254  **2**
255 -)))|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)(((
255 +)))|=(% style="width: 100px;background-color:#D9E2F3" %)(((
256 256  **2**
257 -)))|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
257 +)))|=(% style="width: 50px;background-color:#D9E2F3" %)(((
258 258  **1**
259 -)))|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
259 +)))|=(% style="width: 50px;background-color:#D9E2F3" %)(((
260 260  **4**
261 261  )))
262 262  |(% style="width:97px" %)(((
263 -Value
263 +**Value**
264 264  )))|(% style="width:39px" %)(((
265 265  [[BAT>>||anchor="H2.5.2BAT-BatteryInfo"]]
266 266  )))|(% style="width:100px" %)(((
... ... @@ -282,8 +282,6 @@
282 282  * The 8^^th^^ byte: Alarm Bit (if this uplink is from periodically or movement)
283 283  * The 9^^th^^ ~~ 11^^st^^  byte: Movement Detect Count.
284 284  
285 -
286 -
287 287  === 2.5.1 Decoder in TTN V3 ===
288 288  
289 289  
... ... @@ -314,6 +314,7 @@
314 314  11(b): Good (BAT >= 2.65v)
315 315  )))|(% style="width:152px" %)Actually BAT voltage
316 316  
315 +
317 317  [[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"]]
318 318  
319 319  
... ... @@ -340,25 +340,23 @@
340 340  
341 341  === 2.5.5 Ext value ===
342 342  
343 -==== 2.5.5.1 Ext~=0x0E, PIR Sensor ====
342 +==== 2.5.5.1 Ext~=0x0A, PIR Sensor ====
344 344  
344 +[[image:image-20221224161634-2.png||height="138" width="851"]]
345 345  
346 -[[image:ext=14.png||alt="image-20221224161634-2.png"]]
347 347  
348 -
349 349  ==== 2.5.5.2 Ext Value ====
350 350  
351 -
352 352  There are 4 bytes in Ext Value field.
353 353  
354 354  Bit0 of byte 8th shows if this uplink is generate by PIR activity.
355 355  
356 356  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:393px" %)
357 -|=(% style="width: 107px; background-color:#D9E2F3;color:#0070C0" %)(((
354 +|=(% style="width: 106px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)(((
358 358  **The 8^^th^^ byte**
359 -)))|=(% style="width: 73px; background-color:#D9E2F3;color:#0070C0" %)(((
356 +)))|=(% style="width: 71px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)(((
360 360  **Bit 1~~7**
361 -)))|=(% style="width: 213px; background-color:#D9E2F3;color:#0070C0" %)(((
358 +)))|=(% style="width: 211px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)(((
362 362  **Bit 0**
363 363  )))
364 364  |(% style="width:106px" %)(((
... ... @@ -368,12 +368,14 @@
368 368  )))|(% style="width:211px" %)(((
369 369  (((
370 370  0: Normal Uplink
368 +
371 371  1: Uplink by activity detected
372 372  )))
373 373  )))
374 374  
375 -(% style="color:red" %)**Note**:** Uplink by activity is disable by default.**
373 +(% style="color:red" %)**Note**:** Uplink by activity is disable by default.**
376 376  
375 +
377 377  The 9^^th^^ ~~ 11^^st^^  byte: Movement Detect Count.
378 378  
379 379  0x00 E5 09 : Total detect 58633 activity since end node start.
... ... @@ -381,7 +381,6 @@
381 381  
382 382  == 2.6 Show data on Datacake ==
383 383  
384 -
385 385  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:
386 386  
387 387  (% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
... ... @@ -419,14 +419,13 @@
419 419  
420 420  In a normal working state:
421 421  
422 -* For each uplink, the (% style="color:blue" %)**BLUE LED**(%%) or (% style="color:red" %)**RED LED**(%%) will blink once.
423 -(% style="color:blue" %)**BLUE LED**(%%) when external sensor is connected.
424 -* (% style="color:red" %)**RED LED**(%%) when external sensor is not connected
425 -* For each success downlink, the (% style="color:purple" %)**PURPLE LED**(%%) will blink once
420 +* For each uplink, the BLUE LED or RED LED will blink once.
421 +BLUE LED when external sensor is connected.
422 +* RED LED when external sensor is not connected
423 +* For each success downlink, the PURPLE LED will blink once
426 426  
427 427  == 2.8 installation ==
428 428  
429 -
430 430  ~1. Don't install LHT65N-PIR outdoor or place where will get wet.
431 431  
432 432  2. Towards the PIR probe to the place where need to monitor activity. Below is the detect beam.
... ... @@ -435,17 +435,12 @@
435 435  
436 436  [[image:image-20230411135341-1.png||height="450" width="456"]]
437 437  
435 +**Notice: PIR can only detect motion activity, not to use to detect static people case.**
438 438  
439 -(% style="color:red" %)**Notice: PIR can only detect motion activity, not to use to detect static people case.**
440 -
441 441  * 1. PIR Motion Detector should not be installed near the Air conditioner places where with cold wind or hot wind flow, because PIR motion detector is sensitive with the temperature changes of the environment. Environment changes quickly will cause a false alarm.
442 -
443 443  * 2. PIR should not be installed facing the glass window, facing glass window will be interfered by the outside sunlight and moving objects (people or vehicle). The infrared energy can penetrate the glass window.
444 -
445 445  * 3. PIR should not be installed facing the moving objects or background changing objects, movement object will cause airflow change, it may cause false alarm.
446 -
447 447  * 4. Between the detection range of PIR Motion detector, there is should be less objects.  Many objects may reduce the sensitive of detection range.
448 -
449 449  * 5. Do not install more than one (2 or above) Wireless PIR in the same detection space (like at the same room).
450 450  
451 451  = 3. Sensors and Accessories =
... ... @@ -456,7 +456,7 @@
456 456  [[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"]]
457 457  
458 458  
459 -**1m long breakout cable for LHT65N-PIR. Features:**
451 +**1m long breakout cable for LHT65N-E5. Features:**
460 460  
461 461  * (((
462 462  Use for AT Command
... ... @@ -475,8 +475,7 @@
475 475  
476 476  LHT65N-PIR supports below configure method:
477 477  
478 -* AT Command via UART Connection : See [[FAQ>>||anchor="H7.FAQ"]].
479 -
470 +* AT Command via UART Connection : See [[FAQ>>path:#H7.FAQ]].
480 480  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>url:http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
481 481  
482 482  == 4.2 General Commands ==
... ... @@ -503,13 +503,12 @@
503 503  
504 504  Feature: Change LoRaWAN End Node Transmit Interval.
505 505  
497 +
506 506  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
507 507  
508 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:501px" %)
509 -|(% style="background-color:#d9e2f3; color:#0070c0; width:155px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:166px" %)**Function**|(% style="background-color:#d9e2f3; color:#0070c0; width:180px" %)**Response**
510 -|(% style="width:155px" %)AT+TDC?|(% style="width:162px" %)Show current transmit Interval|(% style="width:177px" %)30000 OK the interval is 30000ms = 30s
511 -|(% style="width:155px" %)AT+TDC=60000|(% style="width:162px" %)Set Transmit Interval|(% style="width:177px" %)OK Set transmit interval to 60000ms = 60 seconds
500 +[[image:image-20220523150701-2.png||_mstalt="427453"]]
512 512  
502 +
513 513  (% style="color:#4f81bd" %)**Downlink Payload: 0x01**
514 514  
515 515  Format: Command Code (0x01) followed by 3 bytes time value.
... ... @@ -522,7 +522,6 @@
522 522  
523 523  === 4.3.2 Get Device Status ===
524 524  
525 -
526 526  Send a LoRaWAN downlink to ask device send Alarm settings.
527 527  
528 528  * (% style="color:#4f81bd" %)**Downlink Payload**(%%)**:  **0x26 01
... ... @@ -535,22 +535,27 @@
535 535  
536 536  Feature: Set device password, max 9 digits
537 537  
538 -(% style="color:#4f81bd" %)**AT Command: AT+PWORD**
539 539  
540 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:372px" %)
541 -|(% style="background-color:#d9e2f3; color:#0070c0; width:155px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:128px" %)**Function**|(% style="background-color:#d9e2f3; color:#0070c0; width:89px" %)**Response**
542 -|(% style="width:155px" %)AT+PWORD=?|(% style="width:124px" %)Show password|(% style="width:86px" %)(((
543 -123456
528 +(% style="color:#4f81bd" %)**AT Command: AT+EXT**
544 544  
545 -OK
530 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
531 +|Command Example|Function|Response
532 +|AT+EXT=?|Get or Set external sensor model|(((
533 +5
534 +
535 +OK
546 546  )))
547 -|(% style="width:155px" %)AT+PWORD=999999|(% style="width:124px" %)Set password|(% style="width:86px" %)OK
537 +|AT+EXT=5|(% colspan="2" %)Set external sensor mode to 5
548 548  
549 -(% style="color:#4f81bd" %)**Downlink Command:**
539 +(% style="color:#4f81bd" %)**Downlink Command:0xA2**
550 550  
551 -No downlink command for this feature.
552 552  
542 +Total bytes: 2 bytes
553 553  
544 +**Example:**
545 +
546 +* 0xA205: Set external sensor type to E5
547 +
554 554  === 4.3.4 Set to sleep mode ===
555 555  
556 556  
... ... @@ -557,18 +557,12 @@
557 557  Feature: Set device to sleep mode
558 558  
559 559  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
560 -
561 561  * **AT+Sleep=1** :  Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
562 562  
563 563  (% style="color:#4f81bd" %)**AT Command: AT+SLEEP**
564 564  
565 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:513px" %)
566 -|(% style="background-color:#d9e2f3; color:#0070c0; width:155px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:140px" %)**Function**|(% style="background-color:#d9e2f3; color:#0070c0; width:218px" %)**Response**
567 -|(% style="width:155px" %)AT+SLEEP|(% style="width:139px" %)Set to sleep mode|(% style="width:213px" %)(((
568 -Clear all stored sensor data…
558 +[[image:image-20220523151218-7.png||_mstalt="430703"]]
569 569  
570 -OK
571 -)))
572 572  
573 573  (% style="color:#4f81bd" %)**Downlink Command:**
574 574  
... ... @@ -576,14 +576,12 @@
576 576  
577 577  === 4.3.5 Set UOA (Uplink on Activity) ===
578 578  
579 -
580 580  Feature: Enable / Disable Uplink on Activity
581 581  
582 582  * **AT+UOA=0**  : Disable UoA
583 -
584 584  * **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.
585 585  
586 -(% style="color:red" %)**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.**
572 +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.
587 587  
588 588  (% style="color:#4f81bd" %)**AT Command: AT+UOA**
589 589  
... ... @@ -593,7 +593,6 @@
593 593  
594 594  = 5. Battery & Power Consumption =
595 595  
596 -
597 597  LHT65N-PIR use **CR17450** battery pack. See below link for detail information about the battery info and how to replace.
598 598  
599 599  [[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
... ... @@ -601,9 +601,8 @@
601 601  
602 602  = 6. OTA firmware update =
603 603  
589 +User can change firmware S31x-LB to:
604 604  
605 -User can change firmware LHT65N-PIR to:
606 -
607 607  * Change Frequency band/ region.
608 608  * Update with new features.
609 609  * Fix bugs.
... ... @@ -620,7 +620,7 @@
620 620  == 7.1 How to use AT Command? ==
621 621  
622 622  
623 -LHT65N-PIR 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.
607 +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.
624 624  
625 625  
626 626  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615153355-1.png||_mstalt="430222"]]
... ... @@ -630,11 +630,12 @@
630 630  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@1655802313617-381.png||_mstalt="293917"]]
631 631  
632 632  
633 -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-PIR. 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.
617 +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.
634 634  
635 635  [[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"]]
636 636  
637 637  
622 +
638 638  == 7.2 Where to use AT commands and Downlink commands ==
639 639  
640 640  
... ... @@ -676,7 +676,6 @@
676 676  
677 677  == 7.3 How to change the uplink interval？ ==
678 678  
679 -
680 680  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);"]]
681 681  
682 682  [[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"]]
... ... @@ -684,7 +684,6 @@
684 684  
685 685  == 7.4 How to use TTL-USB to connect PC to upgrade firmware? ==
686 686  
687 -
688 688  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615153355-1.png||_mstalt="430222"]]
689 689  
690 690  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
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