We will be at the Calgary Comic Expo!

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.

Actually, it's been done, but not this nicely. Those guys at Ecole Polytechnique Fédérale de Lausanne (EPFL) have a nice report on their "microglider" project. They do some fine work! Bah. That picture is too small! Let's look at a BIG one! Ooo! And they have more big pictures here! This one is nice - […]

...DON'T FORGET ABOUT THE OVEN. You'll burn the cookies while eating the dough! Just got a new LOUD oven timer to make sure somebody is standing over the PCBs when the timer is about up. Pick and place machines tend to drown out gentle oven beeps!

New products added to our inventory include the L293D motor driver IC (a staple chip used in small-robot building), and the new clear-case GM4 servo gearmotor! No electronics, just a full 360° rotating, strong, modified servo! Check out the "New Products" link on the left toolbar for pricing and details.