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51 digital tube clock
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Application background I have written a simple 51 digital tube clock, with the interruption of time to achieve, the program is relatively simple may have a wrong place, I hope you spend lessExperiment object: 51hei MCU learning development board* single machine: AT89S52 or STC89C52; alarm clock time: 7:10 (program definition)* use the timer, digital display 24 hours "00-00-00" (increase into the interrupt function of timeP1 for the button, P2 for the selected paragraph, P0 for the bit election,
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