Tuesday, 22 April 2014

Intruder Alarm Using Ldr and IC555





Burglar/Intruder Alarm Using IC 555 and ldr


This is one of the most basic project for beginners. As soon you will cover ldr with your hand resistance will change and buzzer will go on ringing.   
.
verified circuit diagram of intruder alarm using ldr

No comments:

Post a Comment