Hi all, I'm looking for a way to play mp3's through headphones, controlled by an Arduino Uno, but using only a few pins. I know that the popular mp3 player shield needs five (specific) pins to function ( SparkFun MP3 Player Shield - DEV-12660 - SparkFun Electronics ), but I would like to play mp3's i…

playing mp3 with very few pins

Grumpy_Mike October 31, 2012, 10:58pm 2

Do you know that the analogue pins can be used as digital input / output pins as well?

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