Chubby75 is a project to reverse engineer the RV901T LED “Receiver Card”. This device is used to receive signals over Ethernet, and clock data out to large LED displays .

NJ Transit’s train display board at its rail operations center in Kearny was state-of-the-art when it was installed in 2002, the "gold standard" for railroad control centers.

Chip-On-Board (COB) Technology solders three very fine LED chips—one red, one blue, and one green, directly to the PCB Board resulting in a flat, uniform LED surface. This flat, uniform LED surface ...