Based on 51 microcontroller programming, this is the music box of the source code, music box can play different music, you can pause, play, play the next song, accompanied by flashing lights

MusicTest\MusicTest
.........\MusicTest.c
.........\MusicTest.hex
.........\MusicTest.lnp
.........\MusicTest.LST
.........\MusicTest.M51
.........\MusicTest.OBJ
.........\MusicTest.plg
.........\MusicTest.uvopt
.........\MusicTest.uvproj
.........\MusicTest_uvopt.bak
.........\MusicTest_uvproj.bak
MusicTest

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