MP3 + U DIY
Note: While programing，pin 2 of 8951 is connected to GND, Q2's collector is connected to VCC.
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MP3 + U DIY
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| Software: Use atmel source code + KEIL51. This code has been tested and work well. |
| Hardware: The circuit is good except for power circuit. |
| Usage: manual |
| AT89C51SND is programmed by FLIP through USB
port. Note: While programing，pin 2 of 8951 is connected to GND, Q2's collector is connected to VCC. |
| http://www.atmel.com |