Wheee! They're here - the new RW2!

The Western Canadian Robot Games are fast approaching, so we're going to help spur on building by reducing the prices of our batteries by half! Get building - you only have less than 2 months to finish!

I wasn't very interested when the new Hakko FX-888 soldering iron showed up, but as I opened it and explored more, I got to thinking "Dang - this is a nice iron...". It's small, heavy, made-o'-metal, and of Hakko quality. And it's better than the old 936 it replaces, in practically every regard. And it […]

Kyle Simmons has been very busy lately, particularly being on TV! If you're getting the Canadian Discovery Channel, check him out tonight on 'Daily Planet' (22 minutes into the program). Hmmm.... nice kits you're featuring there! For those of you who missed it, EXN.CA has the clip online! Read More...

This circuit is used to create a simple "edgebot" sumo robot. Being an edgebot refers that it will repeat the same backup/turn/go forward action when it's single edge sensor detects the edge of the ring. This version of the circuit is quite simple, and always turns the same way.