How to Program Sumo Robots with Arduino | STEM Kit Review
Pololu - Sumo ring border angle detection
Free STL file SketchUp Mini Sumo Robot・3D printing design to download・Cults
Building a Sumo Robot - Hackster.io
JSumo - Now robot is ready to program. You can contiune from: http://blog.jsumo.com/how-to-make-mini-sumo-robot-with-xmotion/ and full kit info: http://www.jsumo.com/blackmagic-mini-sumo-robot-kit-full-kit | Facebook