Audio Circuits
Audio Circuits are used to process and manipulate audio signals as required by the application. It is a combination of Audio Amplifiers, Audio mixers, Audio Frequency control and other similar circuits that involve audio signal handling. The below list 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.
Long Range Arduino Based Walkie Talkie using nRF24L01
We are living in the era of 5G and 5G-enabled devices; however, old technologies like the walkie-talkie system and RF...
Dog Barking Security Alarm using Arduino, PIR Sensor and Dog Barking Sound Module
The need for home security alarm systems nowadays is a serious demand. As the number of crimes is increasing every day, there...
I2S Communication on ESP32 to Transmit and Receive Audio Data Using MAX98357A
I2S is an Inter-IC Sound protocol that is used mainly to transmit or receive the audio data in a synchronous serial port...
ESP32 Based Internet Radio using MAX98357A I2S Amplifier Board
Analog Radios are getting extinct in this digital world since everything, from movies to songs is being directly streamed from...
DIY Musical Doorbell Circuit using UM66T
Doorbell is a very common and useful device used in every household. Among electronics students and hobbyists, the doorbell...
Simple Arduino Voice Recorder for Spy Bug Voice Recording
Planning to buy a small voice recorder to record voices or sounds in an environment and store them in its memory? Think again!...
Build a Simple Stereo Audio Amplifier Board using TDA2822
An audio amplifier is an Electronic circuit that amplifies low-power audio signals to a level suitable for driving Loudspeaker...
How to Build a High Efficiency Class-D Audio Amplifier using MOSFETs
Audio content has come a long way over the past decades, from a classic tube amp to modern-day media players, technological...
DIY ESP32 Based Audio Player
DIY Music players are fun to build, and we previously built a few music players using Arduino and a dedicated MP3 module. Now...
Speech Recognition using Arduino
Speech recognition technology is very useful in automation which not only gives you hands free control over devices but also...