Description: Function: According to the value returned by the keyboard scan code check key code table, resulting in key boot to send digital display, digital display " -." When the key is pressed, the digital display press the key, the buzzer sounds.
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File list (Check if you may need any files):
EX8_KEY_4X4\KEY_4X4
...........\KEY_4X4.c
...........\KEY_4X4.hex
...........\KEY_4X4.lnp
...........\KEY_4X4.LST
...........\KEY_4X4.M51
...........\KEY_4X4.OBJ
...........\KEY_4X4.Opt
...........\KEY_4X4.plg
...........\KEY_4X4.Uv2
EX8_KEY_4X4