Description: 51 Series MCU as the core development board as a platform to design a music prompt timer, with countdown, time changes, music and other functions. The timer 4 keys: K1-set the countdown time is 60 minutes, shown as "60" K2-set countdown timer for 5 minutes, shown as "05" K3-set countdown time is 10 minutes, showing as "10" K4-set countdown time is 20 minutes, shown as "20." Once the start button after the countdown, when the time is 0 play a music default countdown time is 5 minutes, shown as 05. Microcomputer countdown timer can be used as the counter and do a short time duration, on the home use, such as cooking instant noodles, boil water or take a nap, etc. for automatic washing machine s prompt completion of the timer. Control system design tasks, including hardware design and application design.
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- [ID] - I wrote the ID card access control proce
File list (Check if you may need any files):
yinyue.asm
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