Electronics Video Games Replacement Parts Accessories 1PCS SR501 HC-SR501 Adjust IR Pyroelectric Infrared PIR Module Motion Sensor Detector Module
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About this item
1. automatic: when someone enters the sensing range is input high level, people leaving the induction range is automatically delayed closing high level. Output low level.
2. light control (optional): module to set aside a location, you can set the photo control, or strong light during the day without induction. Light control is an optional feature, factory photoresistance is not installed. want, please purchase the photoresistance installed.
3. two trigger modes: l not repeatable, h can be repeated. Jumper option defaults to h.
A. not repeatable trigger mode: after the sensor output high level, delay time is over, the output will automatically change from high to low level.
B. can repeat triggered way: that induction output high level Hou, in delay time paragraph within, if has human in its induction range within activities, its output will has been maintained high level, until people left Hou only delay will high level becomes low level (induction module detection to human of each times activities Hou will automatically extended a delay time paragraph, and to finally once activities of time for delay time of starting points).
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