Audio Electronics deals with the circuits that are designed for converting sound/pressure wave signals to electrical signals, or vise versa. These circuits are used to processes and manipulate audio signals to design different types of audio amplifiers, audio mixers, frequency controllers etc..
This section consists of a huge collection of audio circuits with schematics and detailed explanation, to help you build Audio projects and use them for your Audio designs.
After the announcement of Technology collaboration of both the Multinational Companies, STMicroelectronics and USound presents “First Advanced Silicon Micro-speaker”, going to demonstrate in CES 2018. The size of these speakers is expected to be the thinnest in the world, lesser in weight, lower heat dissipation and having low power consumption than the previously invented…
In this project, we are going to make a Headphone/Audio Amplifier by using self-designed PCB. This project is mainly designed for amplifying the audio signal from the headphones but we can also use it for amplifying the subwoofer or speaker output, just by switching few jumpers.
When we use headphones with our audio device like mobile, laptop, FM…
In simple language, Tone Control Circuit is the circuit, using which we can control the output of audio device. To control the output means we can control the Volume, Treble and Bass of the Audio output. So, to achieve this aim we have to control the output frequency. If we can control output frequency than our aim is achieved!
To control the output…
If Subwoofer in your music system is not producing enough bass then you can use this simple DIY circuit to enhance the Bass. In this project we are going to design a Subwoofer Amplifier Circuit Using IC TDA2030 with few cheap components. This TDA2030 Amplifier can produce 14watt output and this can be increased upto 30watt by using another TDA2030. Also check our previous…
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 can be built easily at a very low cost. In this tutorial we will learn how to build a simple yet powerful MP3 player that could play any MP3 song, the volume and track can also be adjusted with the help of push buttons. With some extra effort you can…
Amplifier is an electronic circuit or device which is used for amplification purpose and used mainly in sound reproduction as well in our electronic industry widely. There are many types of amplifier available by using different components like transistor based amplifier, op-amp based amplifier, transformer based amplifier. Sometimes we use a Preamp Circuit in circuits…
Building an FM Transmitter and broadcasting our own signals on the air is really a fun project to do. Especially, with this circuit since it does not require you to wound your own inductor or use a trimmer and spend hours in tuning your circuit to make it work properly. In this project you will learn How an FM Transmitter Works and how you can build your own with…
Arduino is an excellent way to simplify and speed up your microcontroller projects, thanks to its community of developers who have made almost everything look simple. There are lots of Arduino Projects out here for you to try and have fun. Some of your projects might need some sounds action to notify about something or just to impress the viewers. What if I told you…
In this session we are going to use Raspberry Pi and the PYGAME functions to make a sound board. In simple terms, we are going to connect few buttons to the Raspberry Pi GPIO pins and when these buttons are pressed Raspberry Pi plays audio files stored in its memory. These audio files can be played one by one or they can all be played together. In other words you can press…
In this project, we are going to make a Voice Modulator Circuit, by using self-designed PCB. In this project, we have designed a PCB using EASYEDA online PCB simulator and designer. This is a fun project, mainly designed for changing or altering the voice. Generally, when we speak in a MIC we hear same voice. But in this project when we speak in MIC, we will hear a little…
We have familiar with many text-to-speech softwares and services which read the text in voice. Also there are many Audio Books are available for visually impaired and blind people, but the problem is, a visually impaired person can’t navigate the book properly without any audio guidance. Considering this problem, DAISY Consortium developed DAISY (Digital Accessible…
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 can be used as Audio Amplifier. A low power audio signal can be amplified using 555 Timer IC.
This circuit is divided into two parts: part one is Preamplifier circuit, which consist a BC547…
