. It is designed to detect motion by sensing changes in infrared radiation emitted by objects like human bodies. Key Technical Specifications Based on documentation from Tayda Electronics Popular Electronic
Digital output. High (3.3V) when motion is detected; Low (0V) when idle. GND: Ground connection. 3. Onboard Adjustments hw-416-b pir sensor datasheet
The sensor requires an initialization period of about 30 to 60 seconds after powering up. During this time, the sensor may output random signals. the sensor may output random signals.