Based on 51 MCU learning C language, 51 single-chip control buzzer broadcast I wish you peace, songs, personnel of school 51 MCU have good understanding of the C language programming skills.

I wish you peace (buzzer)
.........................\znpa
.........................\znpa.asm
.........................\znpa.hex
.........................\znpa.lnp
.........................\znpa.LST
.........................\znpa.M51
.........................\znpa.OBJ
.........................\znpa.Opt
.........................\znpa.plg
.........................\znpa.Uv2
.........................\znpa_Opt.Bak
.........................\znpa_Uv2.Bak
.........................\_desktop.ini

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