Hacking an mp3 player

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Revision as of 09:04, 13 June 2017 by Thomas (talk | contribs)
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File:Mp3board.jpeg size:200px Parts:

  • Cheap mp3 player
  • 2W Audio amp
  • UA78M33 voltage regulator

On the back the [VOLUME +] button is soldered to be connecting. this makes the mp3 player start up automatically, and put the voltage up.