Posted in digital audio hacks, Featured, how-to, Portable Audio Hacks, Skills, Slider Tagged arduino, arduino nano, audio amplifier, audio input, bluetooth speaker, loudspeaker, Loudspeaker ...

Posted in digital audio hacks Tagged amplifier, class-d, switching ← Xoscillo Turns Arduino In An Oscilloscope Making A 3D Printer Work Wirelessly → ...

You can also use the on-board audio output jack to connect to your own amplifier/speaker set! This unit has a maximum recording time of 680 seconds, and a minimum recording time of 341 seconds.

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 ...

An Arduino-based audible and visual warning system for small aircraft. This project uses an Arduino MKR Zero, MAX98357A I2S amplifier, SD card audio playback, and relay-driven indicator light to ...