Description: C51-based single-chip 4* 4 matrix keyboard scanner, very easy to use, very good to shake.
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C51 matrix keyboard\5-3
...................\5-3.c
...................\5-3.hex
...................\5-3.lnp
...................\5-3.LST
...................\5-3.M51
...................\5-3.OBJ
...................\5-3.Opt
...................\5-3.plg
...................\5-3.Uv2
...................\STARTUP.A51
...................\STARTUP.LST
...................\STARTUP.OBJ
C51 matrix keyboard
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