Introduction - If you have any usage issues, please Google them yourself
This code based on FPGA to realize the timing range: 00 00 00 ~ 59 59 "99," according to the function of the maximum time for 59 minutes and 59 seconds.Digital stopwatch timing accuracy is 10 ms.Display works: a, with eight digital tube display readingsB, use two button switch (a button to reset the stopwatch, another start/stop button control stopwatch)