Description: Matrix keys, press a key, you can display a key value. If you press the first button on the display 1, press the second button on the display 2.
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File list (Check if you may need any files):
lesson5_2
.........\lesson5_2
.........\lesson5_2.c
.........\lesson5_2.hex
.........\lesson5_2.lnp
.........\lesson5_2.LST
.........\lesson5_2.M51
.........\lesson5_2.OBJ
.........\lesson5_2.Opt
.........\lesson5_2.plg
.........\lesson5_2.Uv2
.........\lesson5_2_Opt.Bak
.........\lesson5_2_Uv2.Bak