As hackers and makers we are surrounded by accessible computing in an astonishing diversity. From tiny microcontrollers to multi-processor powerhouses, they have become the universal tool of our art.

The best projects always seem to come from eBay. A few weeks ago, we found a few tiles meant for gigantic LED panel installations, and fifty bucks got you ten tiles. That eBay auction is now sold out.

The project creates a Z80 computer which provides the possibility of producing a video board that utilizes TV as the monitor. There are two boards, CPU and video, that comprise the machine and a ...