DIY Kit AT89C2051 Electronic Clock Suite Electronic Parts and Components

DIY Kit AT89C2051 Electronic Clock Suite Electronic Parts and Components

Directions for use:
 - Function keys: S1 - function selection button, S2 - function extension buttons, S3 - value add to 1 button.
- Functions and operation instructions: when operating, for a short period of time (less than 1 second) press S1, can be in more than six function continuous loop. Midway if long press (more than 2 seconds) S1, immediately return to the clock function state.
- Clock function: after electrify display 10:10:00 namely
 - Adjust the function of time:Short press S1 at once, that is, the current time as the flashing status, press S2 is hours plus 1, press the S3 is minutes plus 1, second not adjustable
- Alarm clock function: short press the second S1, display status for 22:10:00, colon for long light. Press S2 is hours plus 1, press the S3 is minutes plus 1, second is adjustable. It will display - : -- : -- when press more than 23 hours ,means shut the alarm clock function. As the buzzer alarm sirens for 3 seconds
- Countdown function: short press S1 three times, display status is 0. Press S2 displayed a high, from low to press S3 is corresponding plus 1, when press S2 with 7 times in set time state, start the countdown, again press S2 will once again into the adjustment function, and stop the countdown
- Stopwatch function: short press S1 four times, display status is 00:00:00, colon for long light. Press S2 start stopwatch, again press S2 is stop timing, press S3 is a stopwatch reset when stop timing
- Counter function: five short press S1 and displays a status for 00:00:00, press S2 counter plus 1, press the S3 counter reset
 
Packing List:
- 1 set DIY AT89C2051 Electronic Clock Suite