The Sabertooth 2X5 is one of the most versatile, efficient and easy to use dual motor drivers on the market. It is ideal for smaller robots- up to 3lbs in combat or 25 lbs for general purpose use. Made by Dimension Engineering.
The MGS1600 is a sensor capable of detecting and reporting the position of a magnetic field along its horizontal axis. The sensor is intended for line following robotic applications, using a magnetic tape to form a track guide on the floor.