The 4 inch (100mm) aluminum Mecanum wheel set (2x Left, 2x Right) allows your robot to easily move forward and backward (reverse), laterally, diagonally, or spin in a circle. Each roller is supported with ball bearings.
Mount beacons 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. The beacon has a built in Inertial Measurement Unit (IMU).