This is a simple implementation of a timer clock with Arduino and the DF Robot (or the Chinese counterpart, D1 Robot) LCD Keypad Shield. Mount the shield on the Arduino board. Set the contrast trimpot ...

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 ...

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 ...