Digital Wind Up Music Box

A digital wind up music box that sounds and work like a traditional wind up music box

richard

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Inspired by a friend of mine that makes traditional music boxes and a previous hack a day post [ http://hackaday.com/2012/01/17/music-box-is-still-alive-with-wavetable-synthesis/ ] of a realistic sounding digital music box I decided to combine the two ideas and create a digital wind up music box.

Features:

Wind up rotary encoder with wind up clicking sound effect.

External input for button or other trigger mechanism

Deep sleep mode when not playing to conserve battery for many years of life on 2 AA batteries

Can hold about 3 - 4 minutes worth of musical data

Software controlled volume level

Serial interface for uploading new music

Midi to MusicBox software to convert and upload music