This force-sensing resistor (FSR) from Interlink Electronics is a passive component that exhibits a decrease in resistance when there is an increase in the force applied to the 1.5"×1.5" (38×38 mm) active area.
This is a 4WD IG42 single bearing platform that includes autonomous GPS navigation. A full array of sensors including a Pololu IMU, motor encoders, and a Garmin 18x 5 Hz GPS that work together to provide waypoint navigation with up to 3 meter accuracy.
This is a MLT-42 tracked robot platform and is equipped with 42mm motors, a motor controller, and Spektrum remote control. This is a rugged robot platform. By default, the treaded robot handles up to 15lbs of additional payload and travels 200ft/min.