This a LED dot matrix driving principle and application routines KEIL

例程
....\led-1
....\.....\led-1
....\.....\led-1.c
....\.....\led-1.hex
....\.....\led-1.LST
....\.....\led-1.M51
....\.....\led-1.OBJ
....\.....\led-1.Opt
....\.....\led-1.plg
....\.....\led-1.Uv2
....\.....\led-1_Opt.Bak
....\.....\led-1_Uv2.Bak
....\led-3
....\.....\led-3
....\.....\led-3.c
....\.....\led-3.hex
....\.....\led-3.LST
....\.....\led-3.M51
....\.....\led-3.OBJ
....\.....\led-3.Opt
....\.....\led-3.plg
....\.....\led-3.Uv2
....\.....\led-3_Uv2.Bak
....\.....\love.bmp
....\led-4
....\.....\51.bmp
....\.....\led-4
....\.....\led-4.c
....\.....\led-4.hex
....\.....\led-4.LST
....\.....\led-4.M51
....\.....\led-4.OBJ
....\.....\led-4.Opt
....\.....\led-4.plg
....\.....\led-4.Uv2
....\.....\led-4_Uv2.Bak
....\led-5
....\.....\I-love-51.bmp
....\.....\led-5
....\.....\led-5.c
....\.....\led-5.hex
....\.....\led-5.LST
....\.....\led-5.M51
....\.....\led-5.OBJ
....\.....\led-5.Opt
....\.....\led-5.plg
....\.....\led-5.Uv2
....\.....\led-5_Opt.Bak
....\.....\led-5_Uv2.Bak
....\led_2
....\.....\led_2
....\.....\led_2.c
....\.....\led_2.hex
....\.....\led_2.LST
....\.....\led_2.M51
....\.....\led_2.OBJ
....\.....\led_2.Opt
....\.....\led_2.plg
....\.....\led_2.Uv2
....\.....\led_2_Opt.Bak
....\.....\led_2_Uv2.Bak

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