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 ...

They’re using a cheap sound sensor module and an Arduino to catch instantaneous photographs, with students caught in the act of popping balloons. The goal here was to keep things as simple as ...

That in turn is fed to a Texas Instruments PCM5102 DAC, which provides a line-level audio output. All the code and schematic can be found in a GitHub repository.