Smart Electronics HC-SR501 Adjust IR Pyroelectric Infrared PIR Motion Sensor Detector Module
HC-SR501 Adjust IR Pyroelectric Infrared PIR Motion Sensor Detector Module
Automatic induction: When someone enters its induction range, enter the high level,
people leave the sensor range is automatically delayed off high. Output low.
2. photosensitive control (optional): the module reserved for location, can be set to
photosensitive control, strong light during the day or not induction. Photosensitive
control is optional, the factory did not install photosensitive resistor. If necessary,
please buy a separate photosensitive resistor to install.