LED Ticker that displays useful information and includes some cool eye candy interludes. Also includes a really cool LED Panel simulator, where you can test your ticker screens before deploying it to your Raspberry Pi.
Currently installed at XION arcade: https://www.youtube.com/watch?v=yUDw7a1eN3M
This project uses the fantastic rpi-rgb-matrix library from Henner Zeller: https://github.com/hzeller/rpi-rgb-led-matrix