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pir sensor (Code50876)
65.00EGP
PIR Motion Sensor
متوفر في المخزون
رمز المنتج: 50876 التصنيف: Electronics Component الوسوم: Automatic light, body detection, Home Automation, Human, Infra red, IR, Microcontroller in Egypt, Motion, Motion Detection, Movement PIR, Pin this pr Arduino in Egypt, Raspberry, Security, Sensor Share on Twitter Share on Facebook Pin this product oduct
الوصف
Each PIR Motion Sensor is basically made of a pyroelectric sensor, which can detect levels of infrared radiation. Everything emits some low level radiation, and the hotter something is, the more radiation is emitted. The sensor in a motion detector is actually split in two halves. The reason for that is that we are looking to detect motion (change) not average IR levels. The two halves are wired up so that they cancel each other out. If one half sees more or less IR radiation than the other, the output will swing high or low.
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