555 timer circuits

LED Roulette circuit using 555 timer IC LED Roulette Circuit using 555 timer IC

Here, we are going to show you how to make an LED Roulette Circuit using 555 timer IC, before starting the tutorial let you…

Simple Audio Amplifier Circuit using IC 555 Simple Audio Amplifier using 555 Timer IC

555 time IC is very powerful and versatile IC, it can be used in many forms. In this tutorial we are going to see how a 555 IC…

Laser Security Alarm Circuit using IC 555 and LM358 Laser Security Alarm Circuit

Security is main concern for various buildings, houses and offices. There are a variety of security alarms available in market…

DIY Piano using 555 Timer IC DIY Piano

Piano is developed by connecting a 555 timer ASTABLE multivibrator with variable frequency to a speaker. Piano is a wonderful…

Clap On Clap Off Switch using IC 555 Clap On Clap Off Switch

A "Clap On Clap Off" switch is an interesting concept that could be used in home automation. It works as a switch which makes…

IR Based Security Alarm Circuit IR Based Security Alarm

IR based security alarm circuit can detect any movement and trigger the alarm. This circuit is very useful in homes, banks,…

H Bridge Motor Driver Circuit using IC 555 H-Bridge Circuit

H-bridge is the circuit in which voltage can be applied across the load, in either of the direction. These circuits are…

LED Chaser Circuit using IC 555 LED Chaser Circuit

You must have seen different kinds of decoration lighting patterns. In this LED chaser circuit, we have created an interesting…

Electronic Mosquito Repellent Circuit using 555 Timer IC Electronic Mosquito Repellent Circuit

Various mosquito repellent solutions like coils, liquid vaporizers, and creams, all have possible adverse effects to health.…

Heart Shaped Serial LED Flasher Heart Shaped Serial LED Flasher

In this tutorial we are going to build a Heart shaped serial LED flasher circuit using 555 timer IC and 4017 IC. It is an…