Mini Projects

Audio mixing is the process of combining multiple audio channels into one or more audio channels. In this process source signals, frequency content, dynamics, level

In this project, I will show you how to design a simple circuit called Mobile Controlled Home Appliances without Microcontroller. That’s right. Using this circuit,

In the previous post we have seen the circuit diagram of 9v battery charger circuit using LM311 and SCR .In this post let us see

A dummy alarm circuit is a simple electronic setup designed to simulate the presence of a real security alarm system. It’s commonly used to deter

Metal detector is a very common device that is used for checking persons, luggage or bags in shopping malls, hotels, cinema halls, etc. to ensure

There are mainly three types of logic gate named AND, OR and NOT gate. And every gate does its own different logic function. So with

Fire Alarm Circuit is a simple circuit that detects the fire and activates the Siren Sound or Buzzer. Fire Alarm Circuits are very important devices

Inverters are often needed at places where it is not possible to get AC supply from the Mains. An inverter circuit is used to convert

The most common electronic equipment used now-a-days is Cell Phone or Mobile Phone. With advancement in communication technology, the requirement of cell phones has increased

Generally, water stored in overhead tank is wasted due to over flow ,when the tank is full. Water level alarm using micro-controllers like 8051 and