Movement Sensed Automatic Door Opening System - Engineering Projects

Model No. 145: This project proposes a system of automatic opening and closing of door by sensing any body movement near the door.This is achieved with help of a PIR (Passive Infrared) sensor. A live body generally emits infrared energy which is sensed by the PIR sensor from a considerable distance. This sensing signal is fed to a microcontroller to operate a door motor through motor driver IC. When a body approaches within the operating range of the sensor, it sends a logical command to open the door. The door automatically closes with a fixed time delay.

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