C++ Arduino C
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This code drives a 6x5 array of Charlieplexed LEDs using Jimmie Rodger's LoL Shield Charliplexing code. The current target is a standalone board with an ATmega328 on it, but there's no reason it couldn't be hooked to an Arduino and run from there. The code also talks to a DS1307 RTC over I2C using Adafruit's DS1307 library at the moment. I suspect that will change later on, but it's a simple library for reading the I2C bus and decoding the time. The 4x5 Font spreadsheets explain the font definition. It's mostly based on Jason Kottke's Silkscreen with the Q mangled to not have a 6th row descender. The numbers are from the MixiClock described on the Wise Time with Arduino blog. http://kottke.org/plus/type/silkscreen/ http://timewitharduino.blogspot.com/2012/01/mixiclock-4-digits-displayed-on-8x8-led.html