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Last modified by Xiaoling on 2025/06/10 09:17
From version 21.1
edited by Edwin Chen
on 2023/04/11 11:47
Change comment: Uploaded new attachment "image-20230411114550-1.png", version {1}
To version 31.1
edited by Ellie Zhang
on 2023/04/25 13:52
Change comment: Uploaded new attachment "1FPORT=5.png", version {1}

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1 -LHT65-PIR Temperature/Humidity/PIR Motion Sensor User Manual
1 +LHT65N-PIR Temperature/Humidity/PIR Motion Sensor User Manual
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1 -XWiki.Edwin
1 +XWiki.Ellie
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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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546 546  
547 547  = 6. OTA firmware update =
548 548  
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/]]
559 +User can change firmware S31x-LB to:
550 550  
561 +* Change Frequency band/ region.
562 +* Update with new features.
563 +* Fix bugs.
551 551  
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 +
552 552  = 7. FAQ =
553 553  
554 554  == 7.1 How to use AT Command? ==
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609 609  [[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"]]
610 610  
611 611  
612 -== 6.3 How to change the uplink interval？ ==
632 +== 7.3 How to change the uplink interval？ ==
613 613  
614 614  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);"]]
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