Solarbotics at the RSA Expo

Remember those bad-boy wheels you saw on Strongbad? Well, they're now available! But be warned - we don't have the sleeve to fix the 2mm shaft to 1/8" hole diameter gap, so you'll have to improvise something yourself. Otherwise, your robot will have a bit of a lope to its roll!

Time for a big product update! Again, we're thrilled with the Grove line of microcontroller-interconnected thingies, so heres a few more Grove-compatibles, SD cards, and a lonesome piezo speaker:

So there's one link today that makes my artistic soul happy - it is the laser-controlled Etch A Sketch. Although I never owned an Etch A Sketch (some smarty pants might say right here that in Russia we used rusty nails to draw on cardboard instead), but the idea to draw with a laser beam […]

#4-40x1/2in Yellow Zinc Standoff, M/M, 1/4in threaded ends $0.50 #4-40 x 1/2" yellow zinc coated (chromate) steel standoff. IR Reflector sensor with leads $1.00 Reflective optical sensor with transistor output. 44mm Piezo Speaker $2.25 For making a LOUD beep, this piezo suits your need. Comes mounted in a plastic case with mounting tabs. Maxell LR44 […]