audio amplifier

How to Build FM Transmitter Circuit How to Build FM Transmitter Circuit

One of the cool projects I always wanted to build is an FM transmitter with a good range. I have always been fascinated by some…

Audio Transformer Tutorial Audio TransformerWhat is a Transformer?

A transformer is a static electrical device that transfers energy between two or more circuits through…

Digital-input automotive audio amplifiers Digital-Input Audio Amplifiers with Automotive Diagnostics

STMicroelectronics introduced two new digital-input automotive audio amplifiers - FDA803D and FDA903D to simplify integration…

Audio Transfer using LED and Li-Fi Technology Audio Transfer using Li-Fi Technology

With the boom of Smart Phones, Internet of things (IoT), Industrial Automations, Smart Home Automation systems etc. the demand…

Simple Two Way Intercom Circuit Simple Two Way Intercom Circuit

Most of the schools and offices have intercoms to communicate with people inside a building or a particular campus. These are…

Headphone/Audio Amplifier Circuit on PCB using LM386 Headphone/Audio Amplifier Circuit on PCB using LM386

In this project, we are going to make a Headphone/Audio Amplifier by using self-designed PCB. This project is mainly designed…

Subwoofer Amplifier Circuit using IC TDA2030 Subwoofer Amplifier Circuit using IC TDA2030

If Subwoofer in your music system is not producing enough bass then you can use this simple DIY circuit to enhance the Bass. In…

DIY MP3 Music Player Circuit MP3 Player Circuit

It is always interesting to build things that could be used in our day to day life and it gets more interesting when the same…

Simple preamplifier Circuit using Transistor Simple Preamplifier Circuit using Transistor

Amplifier is an electronic circuit or device which is used for amplification purpose and used mainly in sound reproduction as…

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…