Chess countdown timer for the Arduino, using an LCD keypad shield. The LCD keypad handling code is based on a sample on how to use the LCD keypad. The countdown timer has three screens. A timer screen ...

These special variable types (objects) automatically increase as time elapses. This makes it easy to check if a certain time has elapsed, while allowing your program to perform other work or checks ...

When you Press the RESET Button on the Arduino board, the timer will countdown from 60 seconds, as programmed. Once the timer countdown reaches 0 seconds, the PIEZO-BUZZER (BZ1) will bang on and the ...

Makers and developers that enjoy creating projects using the Arduino platform may be interested in a new shield for Arduino that incorporates an LCD JEMshield++, keypad and enclosure all in one.

In addition to countdown capability, the timer can also act as a stopwatch and display the time of day, and the Nixie tubes provide great visibility compared to seven-segment LCD timers.