Introduction - If you have any usage issues, please Google them yourself
The program implements the MCU to control the clock chip DS1302 conducted calendar display.
This code is relatively complex, comment more, we can carefully analyzed.
The program runs, the first set the time.
By S19, conducted a one set, you will see a bit above flashes.
By S20, the value plus 1.
By S21, the value minus 1.
After setting, the time will be run.
Further, the time will be displayed in 1602.