Puzhong V2 51 single chip microcomputer dot matrix music player buzzer simulation proteus

(1) Passive buzzer 4 pieces of music
(2) Button 1 Start pause
(3) Button 2 Next song
(4) Button 3 Previous song
(5) Button 4 Accelerated playback
(6) Song number 1234, where to put it A song will display 1234 characters in dot matrix.
(7) General V2 can run + simulation
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Origin blog.csdn.net/x1131230123/article/details/108611638