I want to implement an accurate clock assembly program on a 51 single-chip microcomputer. The requirements are: it can display the year, month, day, hour, minute, and second, with an error of 0.01, an
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[i=s] This post was last edited by mzb2012 on 2016-1-22 15:47 [/i] [size=5] Time is really flying fast. In a blink of an eye, there are only a few days left in the lunar calendar of 2015 [/size][size=
The 74hc595 cascade program test is fine, but now the problem is that PC3, PC4, PC5 are connected to 74hc4094D output Q1-Q8 is connected to LED1-LED8 lights, PB0 is connected in series with 8 keys KEY