Arduino Seven Segment LED Clock Hardware Used Arduino UNO DS3234 RTC Module M5451 LED Display Driver Links to Libraries and Other Resources Used Loosely based on the following SparkFun writeup https://learn.sparkfun.com/tutorials/deadon-rtc-breakout-hookup-guide/all Arduino Time library used https://github.com/PaulStoffregen/Time Seven segment display wiring diagram for M5451 https://github.com/supercrab/arduino-seven-segment/blob/master/Wiring%20Guides/M5450%20M5451.pdf Arduino Seven Segment library used https://github.com/supercrab/arduino-seven-segment