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.
Beacons are mounted on walls or ceilings to measure distance to other beacons and “hedgehog” using ultrasonic pulses. They communicate with router wirelessly in ISM band. Powered by LiPo battery or USB. Indoor Positioning System (IPS)