555 timer circuits

Laser Security Alarm Circuit

Security is main concern for various buildings, houses and offices. For this purpose, there are a variety of security alarms...

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

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

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

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

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

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