DFRobot Gravity デジタル赤外線モーションセンサー

DFRobot商品コード:RB-Dfr-242
メーカー #: SEN0018

価格  :
販売価格 ¥800

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在庫  :
在庫あり 3 個

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Customer Reviews

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M
Moh
Delay causes frustration

The detection works fine when you know exactly how this sensor works. Sort of wish there was better documentation. It takes a few seconds to calibrate so make sure at boot up you have it in a good position. After that, when it detects motion, it will output a digital 1. However, if you want it to go back to a digital 0, you must wait with no movement for ~20 seconds or so. Of course, when you don't know how it works, it just seems broken as it is always detecting movement even when you hold it still for a few seconds. I can't comment on its distance as my application is fairly small in distance.

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