Introduction - If you have any usage issues, please Google them yourself
Programming is complete electronic clock procedures require an electronic clock display on the digital tube in the experimental box BANK3 part, the display format for hours- minutes- seconds "power on" 23-59-50 ".
2, according to the the experimental box BANK3 part of the circuit, the completion of a digital frequency meter. Detect T0 mouth then signal the frequency the T0 port connected to the frequency of the signal value 10-250Hz, timer/counter T0 can be set to counter mode, timer/counter T1 is set to timer mode, timing 1 second, remove the counter in the digital display to complete the digital tube.