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A kit to build the countdown timer is available. Now featuring a fully functional alarm clock and stopwatch, these kits are not only fun to build but also provide a practical device for everyday use.
Features:
- 12/24 hour clock
- 24 hour 1 event alarm clock
- 10 minute snooze function - a full minute longer than other alarm clocks!
- Stopwatch to 99 hours 99 minutes 99 seconds
- Countdown from 99 hours 99 minutes 99 seconds
- Lap counter/clock freeze
- Counts below 1 hour display minutes, seconds and 1/100th seconds (MM:SS:hh)
- Countdown/stopwatch can run concurrently with clock and alarm
- Time/alarm/countdown is easily set through the numeric keypad
- 3 levels of display brightness
- Low power mode (display off) for extended battery operation
- 2.1mm centre positive barrel socket for external 6v power supply (not supplied)
- PCB connection for in-circuit programming (external programmer required)
- PCB conenction for additional hardware
- Doesn't do what you want it to? Then why not reprogram it?
Please see the product documentation for full details.

