LCD in 1602, the first line shows the second line of date week display minutes and seconds for the function keys s13 can enter a state of s17 to adjust the time press the function keys can be pressed summand function keys for S21 can be subtrahend circuit diagram containing

基于51单片机的液晶显示--时钟
............................\STARTUP.A51
............................\STARTUP.LST
............................\STARTUP.OBJ
............................\yejinshizhong
............................\yejinshizhong.c
............................\yejinshizhong.hex
............................\yejinshizhong.lnp
............................\yejinshizhong.LST
............................\yejinshizhong.M51
............................\yejinshizhong.OBJ
............................\yejinshizhong.Opt
............................\yejinshizhong.Uv2
............................\yejinshizhong_Opt.Bak
............................\yejinshizhong_Uv2.Bak
............................\说明文档.txt

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