PIR sensors are more complicated than many of the other sensors explained in these tutorials (like photocells, FSRs
Latest Research Areas using PIR Sensor

PIR sensors are more complicated than many of the other sensors explained in these tutorials (like photocells, FSRs
An ultrasonic sensor is an electronic device that measures the distance of a target object by emitting ultrasonic
Nowadays, a lot of security events are initiated due to some sort of sound which includes gunshots, aggressive behavior,