After hours of decoding and cross-referencing hexadecimal numbers with an Ascii table, and studying the LED boards 20-odd page communication protocol – I was able to create a Processing library to communicate with our LED board via the RS-232 protocol. Sound easy? You should have seen the document! Working that out was the hardest part. Once I got past this bit, I used a Java Twitter library to retrieve the latest tweets to send to the LED Board.
We streamed at 20 fps so you can see the text scrolling smoothly. Oh, and it can do crazy blinking and sparkling transitions, but the messages are usually too long for them to work!