Difference between revisions of "Hacking an mp3 player"
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| Line 1: | Line 1: | ||
| − | [[Image:Mp3board.jpeg| | + | [[Image:Mp3board.jpeg|400px]] |
| − | Parts: | + | Parts: |
| − | *Cheap mp3 player | + | *Cheap mp3 player |
| − | *2W Audio amp | + | *2W Audio amp |
| − | *UA78M33 voltage regulator | + | *UA78M33 voltage regulator |
| − | On the back the [VOLUME +] button is soldered to be connecting. | + | *On the back the [VOLUME +] button is soldered to be connecting. |
| − | 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 | ||
Revision as of 09:08, 13 June 2017
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.
- Add a potmeter for volume control