3D Printed frame for Line Follower

This mini-sumo design by Jeremy Bloyd-Peshkin features our wheels, and one of our favourite building materials, Sintra. We can't laser-cut sintra (PVC=bad stuff when burned), but milling it works well, as this builder shows. The asymmetric motor layout works, as proven by this contest-winning design (scroll to the bottom of the page).

A handy tutorial explaining how to put together the RGB LED Horns. Make your own, or get a kit with everything included (except for the paint). Supplies: Fosshape 300 2 x slow scroll RGB LED 2 x coin cell batteries conductive thread 2 x coin cell battery holder - sewable 2 x pieces of velcro […]

We've been trying to Make Something Useless Useful since 2012. In order to do that we've been donating a percentage of past sales of the Useless Box to Plan Canada. In year 2013 $5,000 went to Plan Canada' Gift of Hope School Construction in Honduras.

We've just had the author copies of the book arrive today! Woohoo! That means that our regular inventory must be near behind. Stay tuned! This is as good as a time to announce the support website for the book at http://junkbots.solarbotics.com. The book says come to our website for support, but we've since constructed a […]