Dwell - LEGO Mindstorms EV3 car with a medium motor. | FLLCasts
Using motors and rotary encoders
Lego Mindstorms NXT Servo Motor 4297008 – MSU Surplus Store
LEGO MINDSTORMS EV3 LARGE SERVO MOTOR 45502 - great shape, works! | eBay
LEGO MINDSTORMS EV3 Building Set Includes 3 Interactive Servo Motors, Remote Control, Improved And Redesigned Color Sensor, Redesigned Touch Sensor, Infrared Sensor And 550+ LEGO Technic Elements