Free Project Circuits

Generally, street lights are switched on for whole night and during the day, they are switched off. But during the night time, street lights are

Have you ever thought of transmitting audio and video signals? Here is the simple circuit that amplifies and transmits audio, video signals. These are transmitted

An LC meter circuit is used to measure value of a reactive element like a capacitor or an inductor. This article describes the design and

A Tachometer is a device which measures the speed of a rotating object like an electric motor or a crank shaft of a vehicle engine.

CAUTION: Before going to explain about this concept, we are going to strictly suggesting that DON’T TRY TO IMPLEMENT IT PRACTICALLY AS IT PRODUCES VERY

Introduction In this project, I will show how to operate any electrical without making physical contact with switch by implementing a Wireless Switch Circuit using

This article is about the 8051 Microcontroller Introduction and some of its basic features. The 8051 Microcontroller is one of the most popular and most

Audiobooks were such a big craze in the previous century. During that time, they were present in the form of CDs. Thankfully, rapid development and

TV DVD combos are a handy way to enjoy entertainment because they combine a DVD player with the TV. This setup saves space, cuts down

If you are a new driver then it is very difficult to judge the distance while parking the car. Reverse parking sensor circuit solves this