555 timer circuits

Binary Counter Circuit Diagram 555 Timer Based Binary Counter

For an electronics hobbyist or a student 555 timer IC is one of the most important electronic components because of its…

Simple Flashing LED using 555 Timer IC Simple Flashing LED using 555 Timer IC

While getting started with electronics, you would like to make some simple circuits like a LED circuit to get acquainted with basic circuit…

1 Watt PWM LED Dimmer Circuit Project 1 Watt LED Dimmer Circuit

The LED DIMMER is primarily a 555 IC based PWM (Pulse Width Modulation) circuit developed to get variable voltage over constant…

Simple Touch Switch using 555 Timer IC Simple Touch Switch Circuit using 555 Timer IC

This simple Touch Switch is developed by using 555 timer IC operated as a MONOSTABLE vibrator. Here the stable stage is LOW, so…

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…