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Last modified by Xiaoling on 2025/06/10 09:17
From version 25.1
edited by Edwin Chen
on 2023/04/16 18:08
Change comment: There is no comment for this version
To version 19.1
edited by Edwin Chen
on 2023/04/09 09:37
Change comment: There is no comment for this version

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1 -LHT65-PIR Temperature/Humidity/PIR Motion Sensor User Manual
1 +LHT65-PIR Temperature/Humidity/PIR Sensor User Manual
Content
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394 394  
395 395  == 2.8 installation ==
396 396  
397 -~1. Don't install LHT65N-PIR outdoor or place where will get wet.
397 +~1. Don't install LHT65N-PIR outdoor or place where will get wet
398 398  
399 -2. Towards the PIR probe to the place where need to monitor activity. Below is the detect beam.
399 +2. Towards the PIR probe to the place where need to monitor activity.
400 400  
401 -Stable distance is 0~~3m. Some motion might not detected between 3~~5 m.
402 402  
403 -[[image:image-20230411135341-1.png||height="450" width="456"]]
404 404  
405 -**Notice: PIR can only detect motion activity, not to use to detect static people case.**
406 -
407 -* 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.
408 -* 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.
409 -* 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.
410 -* 4. Between the detection range of PIR Motion detector, there is should be less objects.  Many objects may reduce the sensitive of detection range.
411 -* 5. Do not install more than one (2 or above) Wireless PIR in the same detection space (like at the same room).
412 -
413 -
414 414  = 3. Sensors and Accessories =
415 415  
416 416  == 3.1 E2 Extension Cable ==
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540 540  * **AT+UOA=0**  : Disable UoA
541 541  * **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.
542 542  
543 -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.
544 -
545 545  (% style="color:#4f81bd" %)**AT Command: AT+UOA**
546 546  
547 547  
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557 557  
558 558  = 6. OTA firmware update =
559 559  
560 -User can change firmware S31x-LB to:
547 +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/]]
561 561  
562 -* Change Frequency band/ region.
563 -* Update with new features.
564 -* Fix bugs.
565 565  
566 -Firmware and changelog can be downloaded from : **[[Firmware download link>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]**
567 -
568 -Methods to Update Firmware:
569 -
570 -* (Recommanded way) OTA firmware update via wireless: [[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/]]
571 -* Update through UART TTL interface. **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
572 -
573 -
574 574  = 7. FAQ =
575 575  
576 576  == 7.1 How to use AT Command? ==
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631 631  [[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"]]
632 632  
633 633  
634 -== 7.3 How to change the uplink interval？ ==
610 +== 6.3 How to change the uplink interval？ ==
635 635  
636 636  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);"]]
637 637  
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