Harold's "Tank"

It's been a while since we've had this kit online, but due to some diligence we've found materials to update and re-issue it! Using the licensed "MillerEngine" (which we find to be a substantial improvement over the old Solarengine), we've changed the kit with a new black circuit board and updated documentation. Check it out […]

#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 […]

We have a pretty darn big announcement for you today: we're now distributing Open Beam! It's a new handy-dandy construction system that got its start from Kickstarter, and is gaining a lot of immediate support. Right now, we're stocking all the items except for the kits, which we'll probably bring onboard in the near future. […]

We love SparkFun. Great group of people. Excellent products. It's just that they're... well... twisted and cruel. You see their RoboJoust event? We didn't take them serious when they said it was to be performed 4' off a concrete floor. But here's the proof. They're actually building the table that high off the ground. Next […]