LDR

Automatic Staircase Lighting using PIR Sensor and AVR Microcontroller Automatic Staircase Light

We all know that one of the places where power wastage occurs most in homes and offices is at staircases. We usually turn on…

Simple LDR Circuit for Dark Detecting Simple LDR Circuit

Here we have explained a dark detector circuit by using 555 timer IC and a LDR (Light Dependent Resistor) which senses the…

Dark Detector Alarm using 555 Timer IC and LDR Circuit Dark Detector using LDR and 555 Timer IC

Darkness detector is simply a LDR (Light Dependent Resistor) interfaced square wave generator. In this project the square wave…