51 And based on self power amplifier circuit is simple music player program, under keil4 compiler environment, can be customized to add tracks, comes with three songs, two butterflies

51自编
......\player.c
......\player.lnp
......\player.LST
......\player.M51
......\player.OBJ
......\player.Opt
......\player.plg
......\player.Uv2
......\player_Opt.Bak
......\player_Uv2.Bak
......\sound.h

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