Arduino-powered LED Clock
A fun, simple LED clock, that will give you the time to the nearest half hour using single-color LEDs. Parts needed are as follows: Arduino Nano 400 tie-point Breadboard Ribbon Cable DS1307 RTC IC 32.768 kHz Crystal (12) 10mm LEDs (12) 180 Ohm resistors (2) 10k Ohm resistors 0.1″ spaced, 12 wire ribbon cable, 7″ …