Arduino Uno playing PCM audio file from microSD card @kingcrimson234
Arduino Uno playing PCM audio file from microSD card @kingcrimson234
Uploaded October 2013 | Updated September 2026, 2 hours ago
Sorry for the bad video quality. Wrote a program for the Arduino that streams 16 KHz 8-bit mono audio files of any size off a microSD card! It outputs to a speaker simply using a PWM pin. My camera only records 11 KHz audio. It sounds a lot better in real life.
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Arduino Uno playing PCM audio file from microSD card

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