Chronos

Chronos : Chess Clock with multiple game modes.

The current code was developed to run on an Arduino Nano with an ATmega168.

Games modes

• time per player
  • 1 min
  • 3 min
  • 5 min
  • 10 min
  • 20 min
  • 30 min
• time per player with increment each round
  • 1 min + 1s
  • 2 min + 1s
  • 3 min + 2s
• time difference : each player starts with 2.5 minutes and the time he uses passes to the other player

Circuit

pinout

• 5 : buzzer
• 6 : led player 2
• 7 : led player 1
• 8 : button player 2
• 9 : button player 1

parts list :

• 1 x Arduino Nano
• 2 x pushbutton + 2 x pulldown resistor (e.g. 10KΩ)
• 2 x LED + 2 x resistor for LED (e.g. 300Ω with blue LED)
• 1 x passive buzzer

Example