Introduction - If you have any usage issues, please Google them yourself
Name: Clock function: simple electronic clock, there are set function, alarm clock to ring. Only four digital control, we can only show 60:60. Timer 0 clock time, timer 1 in music. Hardware: MCU: AT89S51, 11.0592MHZ 4 of Yang digital control: A ~ DP-> P2, 1 ~ 4位-> P3.0 ~ P3.3 four independent buttons: P1.0 ~ P1.3 buzzer : P0.4