Set a start/pause button, a reset button, the stopwatch 10 s per meter with automatic reset, the buzzer rang once at the same time, in every 10 seconds press the reset button can be reset at any time, with four digital tube display second integrated and one percent in the second, a given single chip microcomputer frequency of 11.0592 MHZ.
A novice for guidance

CodePudding user response:

The value according to your need to modify

CodePudding user response:

reference 1/f, the wise know already should good karma response:

According to your need to modify the value

Bosses, is there any simulation figure ah

CodePudding user response:

Here is the whole project source code and simulation files can be downloaded at http://www.51hei.com/bbs/dpj-157313-1.html