Building such LED boards is a real fun. More LEDs means more resolution. This pegboard uses 350 LEDs and is combined of 10 5×7 arrays. In order to drive such amount of LEDs there are MAX6953 chips used that are designed to drive four 5×7 matrix displays. So to drive 10 matrix-es there are totally three needed.

LED Wall from Norm on Vimeo.

Drivers get data from Arduino Duemilanove via I2C interface. To be more interesting there is also a WEB interface implemented by using ioBridge to get data via Ethernet so pegboard would be able to display some interesting data. When looking at prototype it seems that there is quite some effort in that – especially gluing and soldering. So now next step make it RGB?