Difference between revisions of "Hacking an mp3 player"

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  Parts:
 
  Parts:
 
  *Cheap mp3 player
 
  *Cheap mp3 player
  *2W Audio amp
+
  *PAM8403 Audio amplifier
 
  *UA78M33 voltage regulator
 
  *UA78M33 voltage regulator
  
Line 8: Line 8:
 
*this makes the mp3 player start up automatically, and put the voltage up.
 
*this makes the mp3 player start up automatically, and put the voltage up.
 
*Add a potmeter for volume control
 
*Add a potmeter for volume control
 +
 +
[[Category:Making]][[Category:Sound]][[Category:Hacking]]

Latest revision as of 12:20, 21 November 2022

Mp3board.jpeg

Parts:
*Cheap mp3 player
*PAM8403 Audio amplifier
*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.
  • Add a potmeter for volume control