keil prepared several procedures 89C51 function for keyboard scanning, buzzer, timer and other functions, easy-to-use, keil, Wei Fu compiled through

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..\0324
..\0324.lnp
..\0324.M51
..\0324.Opt
..\0324.plg
..\0324.Uv2
..\0324_Uv2.Bak
..\0325
..\0325.BIN
..\0325.DSK
..\0325.HEX
..\0325.M51
..\0325.PRJ
..\KEY.C
..\main.c
..\MAIN.LST
..\MAIN.OBJ
..\pin.h
..\res.doc
..\TEMP.LST
..\Text3
..\WAVE.LIN

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