Solar-powered hopping robots? It's been ...

This is a neat little one-chip circuit we originally tuned for use with our "SM1" Stepper motors. We've presently sold out of the motor, but this circuit has proved to be a good unidirectional (1-way) driver for small stepper motors.

Wee, more protoboards! Now this is the last batch, we don't got no more. Next time it will be something else, I promise. PadBoard-1 Pad-per-Hole, 80x50mm Solder Protoboard $3.75 A tight and tidy one-pad-per-hole, plated-through, double-sided board. Ideal for wildly-wired, small projects! PadBoard-2, Pad-Per-Hole, 80x100mm Solder Protoboard $6.82 For the ultimate in protoboard flexibility, here's […]

Solarbotics and the Useless Box have been mentioned in the Wall Street Journal article "Looking for Something Useful to Do With Your Time? Don't Try This"! It is dedicated to the historical overview of the uselessness starting with its invention in the 1950s to nowadays. The useless box can take many guises, names and materials […]

I had been giving some advice to Mark Malmberg about some art he's been putting together. Wanna see a killer huge solar-powered hanging mobile? From the builder himself: This piece has been a test piece and learning experience. I'll show it in a couple of months at a place called the Lawrence Hall of Science […]