Kerui pir sensor manual
KERUI PIR SENSOR MANUAL >> READ ONLINE
The HC-SR501 PIR Sensor Module. The module has just three pins, a Ground and a VCC for powering the module and an output pin which gives high We just need to define the PIR Sensor pin as input and the relay pin as output. Using the digitalRead() function we will read the output of the sensor and A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors. PIR sensors are commonly used in security alarms and automatic lighting applications.
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