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Last modified by Xiaoling on 2025/06/10 09:17
From version 37.8
edited by Xiaoling
on 2023/04/27 09:29
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To version 41.2
edited by kai
on 2023/05/08 15:21
Change comment: There is no comment for this version

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1 -XWiki.Xiaoling
1 +XWiki.kai
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1 1  (% style="text-align:center" %)
2 -[[image:image-20221206143242-2.png||height="602" width="551"]]
2 +[[image:LHT65N-PIR1.jpg||alt="image-20221206143242-2.png" height="679" width="681"]]
3 3  
4 4  
5 5  
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8 8  
9 9  
10 10  
11 -
12 12  **Table of Contents：**
13 13  
14 14  {{toc/}}
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25 25  
26 26  == 1.1 What is LHT65N-PIR Temperature,Humidity & PIR Sensor ==
27 27  
27 +
28 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 29  
30 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.
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35 35  
36 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 37  
38 -
39 39  **~*~***The actual battery life depends on how often to send data, please see battery analyzer chapter.
40 40  
41 41  
42 42  == 1.2 Features ==
43 43  
43 +
44 44  * LoRaWAN v1.0.3 Class A protocol
45 45  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
46 46  * AT Commands to change parameters
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76 76  * (% class="mark" %)Resolution: 1 lx
77 77  * (% class="mark" %)Range: 0-65535 lx
78 78  * (% class="mark" %)Operating Range: -40 °C ~~ 85 °C
79 -*
80 80  
81 81  = 2. Connect LHT65N-PIR to IoT Server =
82 82  
83 83  == 2.1 How does LHT65N-PIR work? ==
84 84  
84 +
85 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 86  
87 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.
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89 89  
90 90  == 2.2 How to Activate LHT65N-PIR? ==
91 91  
92 +
92 92  The LHT65N-PIR has two working modes:
93 93  
94 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.
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101 101  [[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"]]
102 102  
103 103  
104 -
105 105  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
106 106  |=(% 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**
107 107  |(% 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" %)(((
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185 185  
186 186  Example parse in TTNv3
187 187  
188 -[[image:1675144504430-490.png]]
188 +[[image:image-20230508151932-1.png]]
189 189  
190 190  **Sensor Model**: For LHT65N-PIR, this value is 0x1A
191 191  
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312 312  11(b): Good (BAT >= 2.65v)
313 313  )))|(% style="width:152px" %)Actually BAT voltage
314 314  
315 -
316 316  [[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"]]
317 317  
318 318  
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346 346  
347 347  ==== 2.5.5.2 Ext Value ====
348 348  
348 +
349 349  There are 4 bytes in Ext Value field.
350 350  
351 351  Bit0 of byte 8th shows if this uplink is generate by PIR activity.
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370 370  )))
371 371  )))
372 372  
373 -(% style="color:red" %)**Note**:** Uplink by activity is disable by default.**
373 +(% style="color:red" %)**Note**:** Uplink by activity is disable by default.**
374 374  
375 -
376 376  The 9^^th^^ ~~ 11^^st^^  byte: Movement Detect Count.
377 377  
378 378  0x00 E5 09 : Total detect 58633 activity since end node start.
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380 380  
381 381  == 2.6 Show data on Datacake ==
382 382  
382 +
383 383  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:
384 384  
385 385  (% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
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417 417  
418 418  In a normal working state:
419 419  
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
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
423 423  * For each success downlink, the PURPLE LED will blink once
424 424  
425 425  == 2.8 installation ==
426 426  
427 +
427 427  ~1. Don't install LHT65N-PIR outdoor or place where will get wet.
428 428  
429 429  2. Towards the PIR probe to the place where need to monitor activity. Below is the detect beam.
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432 432  
433 433  [[image:image-20230411135341-1.png||height="450" width="456"]]
434 434  
435 -**Notice: PIR can only detect motion activity, not to use to detect static people case.**
436 +(% style="color:red" %)**Notice: PIR can only detect motion activity, not to use to detect static people case.**
436 436  
437 437  * 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.
438 438  * 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.
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448 448  [[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"]]
449 449  
450 450  
451 -**1m long breakout cable for LHT65N-E5. Features:**
452 +**1m long breakout cable for LHT65N-PIR. Features:**
452 452  
453 453  * (((
454 454  Use for AT Command
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467 467  
468 468  LHT65N-PIR supports below configure method:
469 469  
470 -* AT Command via UART Connection : See [[FAQ>>path:#H7.FAQ]].
471 +* AT Command via UART Connection : See [[FAQ>>||anchor="H7.FAQ"]].
471 471  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>url:http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
472 472  
473 473  == 4.2 General Commands ==
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494 494  
495 495  Feature: Change LoRaWAN End Node Transmit Interval.
496 496  
497 -
498 498  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
499 499  
500 -[[image:image-20220523150701-2.png||_mstalt="427453"]]
500 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:501px" %)
501 +|(% 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**
502 +|(% style="width:155px" %)AT+TDC?|(% style="width:162px" %)Show current transmit Interval|(% style="width:177px" %)30000 OK the interval is 30000ms = 30s
503 +|(% style="width:155px" %)AT+TDC=60000|(% style="width:162px" %)Set Transmit Interval|(% style="width:177px" %)OK Set transmit interval to 60000ms = 60 seconds
501 501  
502 -
503 503  (% style="color:#4f81bd" %)**Downlink Payload: 0x01**
504 504  
505 505  Format: Command Code (0x01) followed by 3 bytes time value.
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512 512  
513 513  === 4.3.2 Get Device Status ===
514 514  
517 +
515 515  Send a LoRaWAN downlink to ask device send Alarm settings.
516 516  
517 517  * (% style="color:#4f81bd" %)**Downlink Payload**(%%)**:  **0x26 01
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524 524  
525 525  Feature: Set device password, max 9 digits
526 526  
530 +(% style="color:#4f81bd" %)**AT Command: AT+PWORD**
527 527  
528 -(% style="color:#4f81bd" %)**AT Command: AT+EXT**
532 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:372px" %)
533 +|(% 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**
534 +|(% style="width:155px" %)AT+PWORD=?|(% style="width:124px" %)Show password|(% style="width:86px" %)(((
535 +123456
529 529  
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
537 +OK
536 536  )))
537 -|AT+EXT=5|(% colspan="2" %)Set external sensor mode to 5
539 +|(% style="width:155px" %)AT+PWORD=999999|(% style="width:124px" %)Set password|(% style="width:86px" %)OK
538 538  
539 -(% style="color:#4f81bd" %)**Downlink Command:0xA2**
541 +(% style="color:#4f81bd" %)**Downlink Command:**
540 540  
543 +No downlink command for this feature.
541 541  
542 -Total bytes: 2 bytes
543 543  
544 -**Example:**
545 -
546 -* 0xA205: Set external sensor type to E5
547 -
548 548  === 4.3.4 Set to sleep mode ===
549 549  
550 550  
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551 551  Feature: Set device to sleep mode
552 552  
553 553  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
552 +
554 554  * **AT+Sleep=1** :  Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
555 555  
556 556  (% style="color:#4f81bd" %)**AT Command: AT+SLEEP**
557 557  
558 -[[image:image-20220523151218-7.png||_mstalt="430703"]]
557 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:513px" %)
558 +|(% 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**
559 +|(% style="width:155px" %)AT+SLEEP|(% style="width:139px" %)Set to sleep mode|(% style="width:213px" %)(((
560 +Clear all stored sensor data…
559 559  
562 +OK
563 +)))
560 560  
561 561  (% style="color:#4f81bd" %)**Downlink Command:**
562 562  
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564 564  
565 565  === 4.3.5 Set UOA (Uplink on Activity) ===
566 566  
571 +
567 567  Feature: Enable / Disable Uplink on Activity
568 568  
569 569  * **AT+UOA=0**  : Disable UoA
575 +
570 570  * **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.
571 571  
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.
578 +(% 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.**
573 573  
574 574  (% style="color:#4f81bd" %)**AT Command: AT+UOA**
575 575  
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579 579  
580 580  = 5. Battery & Power Consumption =
581 581  
588 +
582 582  LHT65N-PIR use **CR17450** battery pack. See below link for detail information about the battery info and how to replace.
583 583  
584 584  [[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
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586 586  
587 587  = 6. OTA firmware update =
588 588  
589 -User can change firmware S31x-LB to:
590 590  
597 +User can change firmware LHT65N-PIR to:
598 +
591 591  * Change Frequency band/ region.
592 592  * Update with new features.
593 593  * Fix bugs.
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604 604  == 7.1 How to use AT Command? ==
605 605  
606 606  
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.
615 +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.
608 608  
609 609  
610 610  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615153355-1.png||_mstalt="430222"]]
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614 614  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@1655802313617-381.png||_mstalt="293917"]]
615 615  
616 616  
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.
625 +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.
618 618  
619 619  [[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"]]
620 620  
621 621  
622 -
623 623  == 7.2 Where to use AT commands and Downlink commands ==
624 624  
625 625  
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661 661  
662 662  == 7.3 How to change the uplink interval？ ==
663 663  
671 +
664 664  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);"]]
665 665  
666 666  [[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"]]
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668 668  
669 669  == 7.4 How to use TTL-USB to connect PC to upgrade firmware? ==
670 670  
679 +
671 671  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615153355-1.png||_mstalt="430222"]]
672 672  
673 673  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
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