Active-Tech November Sale!

Yes, we're approaching the time of the year when it's the darkest and all you want to do is sip tea and huddle around the ... soldering iron! The first of our specials is the "KHSB1 - Learn Robotics Book Special". It includes a copy of our popular "Junkbots, Bugbots, and Bots on Wheels", plus […]

This link is a bit on the old side, but if you are thinking of entering the WCRG event next month, here's last year's champion's (Craig Limber) webpage about turning his Sumovore into an almost-as-good line follower! It's a good way to get into this rapidly-growing event...

Here we go, it’s the W day again. Seems like the previous one was two infinities ago. During that infinite time we had plenty of opportunities to pick the interesting stuff floating around internets, and bring it to you: Headphone Light Show EL (electroluminescent) wire is a cool thing. Add it to the headphones and […]

We've had some requests about our own demo Nano robot sumo "BittyBad", which uses a pair of GM15 gear motors. On the GM15 detail page, you'll see a picture of it! It features 2 GM15 gear motors, two 90mA/h LiPoly 3.7V batteries (in series), two "ProxDots" objects sensors, a pair of edge-sensors and a (gasp!) […]