Dimension Engineering Sabertooth 2X60 is one of the most versatile, efficient and easy to use dual motor drivers on the market. It is suitable for high powered robots - up to 120lbs in combat or up to 1000lbs for general purpose robotics.
This a high quality 3 axis joystick with a rubber boot. Spring return to center (X & Y springs can be removed). Two joysticks move 50 degrees in the X and Y direction. The 3rd axis is a twist knob with a spring return.
This is a 4WD IG42 single bearing platform that is setup for outdoor navigation/positioning. A full array of sensor options including an IMU, motor encoders, and a Garmin 18x GPS that can provide position feedback with up to 3 meter accuracy.