Mini Projects

There are different types of circuits that produce different kinds of sounds. Here is a simple circuit that produces wailing siren. The main principle of

Nowadays, door bells are very common in every house. We daily observe different types of door bells are available in the market and they produce

This article describes the principle, design and operation of a digital stopwatch circuit. A digital stopwatch can be a circuit displaying the actual time in

This article is written to describe the design and working of a simple LED cube circuit. Most of the LED cube circuits are designed using

FM Radio circuit is the simple circuit that can be tuned to the required frequency locally. This article describes the circuit of FM radio circuit.

Audio tone control circuits are mainly used for 2 reasons. The first reason is to control the BANDWIDTH of the signal, which is entering into

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

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