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Last modified by Xiaoling on 2025/06/10 09:17
From version 44.3
edited by Xiaoling
on 2023/05/16 17:18
Change comment: There is no comment for this version
To version 44.5
edited by Xiaoling
on 2023/05/16 17:20
Change comment: There is no comment for this version

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412 412  * For each uplink, the **(% style="color:blue" %)BLUE LED**(%%) or (% style="color:red" %)**RED LED**(%%) will blink once.
413 413  (% style="color:blue" %)**BLUE LED**(%%) when external sensor is connected.
414 414  * (% style="color:red" %)**RED LED**(%%) when external sensor is not connected
415 -* For each success downlink, the (% style="color:purple" %)**PURPLE LED** will blink once
415 +* For each success downlink, the (% style="color:purple" %)**PURPLE LED**(%%) will blink once
416 416  
417 417  == 2.8 installation ==
418 418  
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428 428  (% style="color:red" %)**Notice: PIR can only detect motion activity, not to use to detect static people case.**
429 429  
430 430  * 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.
431 +
431 431  * 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.
433 +
432 432  * 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.
435 +
433 433  * 4. Between the detection range of PIR Motion detector, there is should be less objects.  Many objects may reduce the sensitive of detection range.
437 +
434 434  * 5. Do not install more than one (2 or above) Wireless PIR in the same detection space (like at the same room).
435 435  
436 436  = 3. Sensors and Accessories =
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461 461  LHT65N-PIR supports below configure method:
462 462  
463 463  * AT Command via UART Connection : See [[FAQ>>||anchor="H7.FAQ"]].
468 +
464 464  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>url:http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
465 465  
466 466  == 4.2 General Commands ==