Introduction - If you have any usage issues, please Google them yourself
A LED digital alarm clock Produced by 2051 MCU, individual small-production, non-product, spent four digital tube, four lights, which caused two colon, four buttons, a buzzer. T0 and T1 using the two timers, T0 for digital control of dynamic scanning, T1 for a time every minute, for beginners to learn the use of timers and digital control of dynamic scanning a valuable reference.