a 16×8 LED Matrix display driven by a TLC5920 LED driver, with an Arduino that uses a DS1307 RTC (real-time clock) with a coin cell battery to keep track of time when not powered through USB.

A word clock – a clock ... t much thicker than the LED matrix itself. All the files to replicate this build can be found on [Daniel]’s webpage, with links to the Arduino code, the EAGLE ...