Did you see my blog on The Magic of Mock Relays in which I picked up a really tasty antique relay from my local electronics store?
After I found that antique relay, I became enthused with the idea of creating either a simple relay-based computer – or maybe just a piece of "relay-art" in the form of a bunch of relays clicking away doing something in a glass-fronted wooden display case on my wall.
But they are sooooo expensive. The one I picked up cost me only $5, but equivalent models cost anywhere from $25 (on eBay) to $100 (from special stores that supply the government with obsolescent parts).
Blog Doing Math in FPGAs Tom Burke 2 comments For a recent project, I explored doing "real" (that is, non-integer) math on a Spartan 3 FPGA. FPGAs, by their nature, do integer math. That is, there's no floating-point ...