The audio amplifier has a volume control, and the inputs and outputs can be selected via button presses. An Arduino Pro Mini takes care of switching the relays based on the button presses.

Arduino Audio Meter Specifications: – Based on Arduino UNO board for signal processing (16MHz, 1KB RAM). – Analog input/output stages using MCP6002 rail to rail op-amp. – The original audio ...

This proof-of-concept is just waiting for you to put it to good use. [Mike Tsao] wrote an Arduino sketch that lets him decode incoming audio data which could be used to program the device. He&#8217… ...

This is my first project for IT 254, it receives audio input from a microphone and classifies that audio as either loud or quiet. Then sends that information to the Arduino to indicate with an LED. - ...

This project combines song recognition with an interactive light display to create an engaging user experience. By integrating various hardware and software components, we built a system capable of ...

Meet the Production-Ready Arduino Compatible HQ record and Playback Audio Module! With ease, you can record and playback up to eight sound bytes using your own voice, or PC. There is an on-board ...

Have you ever wanted to know what is inside a digital audio mixing console? Or have you already programmed some MP3-player based on an ESP32 and the great Arduino libraries, but without the option for ...