andydoro/countdownClock

countdown clock

Countdown Clock

Countdown clock on 8 7-segment display digits

displays DAYS, HOURS, MINUTES, SECONDS on 8 digits
DDDD : HH : MM or
DD : HH : MM : SS

Hardware

• Metro Mini
• 7-Segment Display w/I2C Backpack x 2
• DS1307 RTC
• Illuminated Toggle Switch w/ Cover