Open-Sumobot-Project Post on my blog https://pablopezasblog.wordpress.com/2016/08/04/open-sumobot-project-mk3/ Electronics 1x Arduino nano V3 3x Hsr04 ultrasonic distance sensors 1x l991s Motor driver 1x Power switch 2x Tcrt5000 line sensors (Optional) 1 IR SHARP distance sensor Schematic Motion 4x N20 6V 200rpm motors 4x Lego rubber wheels 4x Wheel.stl 3D Printable parts