There is another version of the Arduino code that drives an OLED screen ... if you have a good stock of parts) this looks like a worthwhile project. If, however, you want to repurpose it to ...

FPGA guru [Max Maxfield] recently took a look at the XLR8 (pronounced accelerate) board from a company called Alorium. On the surface, it looks like another Arduino UNO clone. But instead of a CPU ...