This is the layout of courses the teachers a big operation, relatively simple ^ _ ^ LED display, with time and date functions. Several switches used to adjust the time and date.

用89C51做的一个简单的电子钟
...........................\原理图.jpg
...........................\流程图.jpg
...........................\源代码
...........................\......\AT89X51.H
...........................\......\keyboard.c
...........................\......\keyboard.h
...........................\......\keyboard.LST
...........................\......\keyboard.OBJ
...........................\......\LEC.LST
...........................\......\LED.C
...........................\......\LED.H
...........................\......\LED.LST
...........................\......\LED.OBJ
...........................\......\main.c
...........................\......\main.h
...........................\......\main.LST
...........................\......\main.OBJ
...........................\......\timer
...........................\......\timer.c
...........................\......\timer.h
...........................\......\timer.hex
...........................\......\timer.LST
...........................\......\timer.M51
...........................\......\timer.OBJ
...........................\......\timer.Opt
...........................\......\timer.plg
...........................\......\timer.Uv2
...........................\......\timer_Opt.Bak
...........................\......\timer_Uv2.Bak

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