Waterproof ultrasonic distance sensor. This sensor can be used for collision detection in your project.
Indoor GPS Starter Kit featuring one Modem and five Beacons to get your project running. Accurately position your robot to a couple centimeters indoors! Kit includes one modem, 4 standard beacons and 1 beacon with built in IMU.
The DXe is the affordable way to equip your sport plane or trainer with the speed, and reliability of DSMX control. Of course it works great for robots too!