5Pcs RobotDyn® 5V PIR Motion Sensor Adjustable Time Delay Sensitive Module For Arduino
This is a simple to use motion sensor.
Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room.
If anything moves after that period, the ‘alarm’ pin will go low.
Adjustable time delay
Connection for CDS sensor (day/night)
Input voltage: 5V
5 x PIR Motion Sensor