Introduction - If you have any usage issues, please Google them yourself
In the experiment on-board programming to achieve real-time clock and calendar in 2011:
1. Hours- minutes- seconds (2-2-2 or bit) display
Time value can be placed through the keyboard.
2. By pressing a button on the control LED scroll right to left in January _ _ three times a day, such as:
2011_01_20 2011_01_20
3. Achieve daily alarm alerts, alarm time available key settings. Expressed alarm tone adopted.
4. Realize stopwatch function.
5. Implement timer function (preset timing, start button, countdown timer to 0 ring tone).
6. Design and Implementation of the music tone.