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Last modified by Xiaoling on 2025/06/10 09:17
From version 19.1
edited by Edwin Chen
on 2023/04/09 09:37
Change comment: There is no comment for this version
To version 25.2
edited by Xiaoling
on 2023/04/23 11:35
Change comment: There is no comment for this version

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Title
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1 -LHT65-PIR Temperature/Humidity/PIR Sensor User Manual
1 +LHT65N-PIR Temperature/Humidity/PIR Motion Sensor User Manual
Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
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.
399 +2. Towards the PIR probe to the place where need to monitor activity. Below is the detect beam.
400 400  
401 +Stable distance is 0~~3m. Some motion might not detected between 3~~5 m.
401 401  
403 +[[image:image-20230411135341-1.png||height="450" width="456"]]
402 402  
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 +
403 403  = 3. Sensors and Accessories =
404 404  
405 405  == 3.1 E2 Extension Cable ==
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529 529  * **AT+UOA=0**  : Disable UoA
530 530  * **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.
531 531  
542 +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.
543 +
532 532  (% style="color:#4f81bd" %)**AT Command: AT+UOA**
533 533  
534 534  
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544 544  
545 545  = 6. OTA firmware update =
546 546  
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/]]
559 +User can change firmware S31x-LB to:
548 548  
561 +* Change Frequency band/ region.
562 +* Update with new features.
563 +* Fix bugs.
549 549  
565 +Firmware and changelog can be downloaded from : **[[Firmware download link>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]**
566 +
567 +Methods to Update Firmware:
568 +
569 +* (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/]]
570 +* 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]]**.
571 +
550 550  = 7. FAQ =
551 551  
552 552  == 7.1 How to use AT Command? ==
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607 607  [[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"]]
608 608  
609 609  
610 -== 6.3 How to change the uplink interval？ ==
632 +== 7.3 How to change the uplink interval？ ==
611 611  
612 612  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);"]]
613 613  
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