(1) Real-time display date and time: year, month, day, hour, minute, second, week. This feature allows the 1602 chip. (2) design of electronic clock has a stopwatch function that use digital implementation: K3 key to achieve conversion time display and stopwatch K2 key to achieve stopwatch clear function K1 key to achieve the stopwatch start and pause function.

57578837AT89C51-clock.docx.tar

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