This is ultrasonic sensor distance measuring module which a non-contact distance measurement module. It has high measurement accuracy and its blind area is close (up to 2cm).
This is a remote control Toro Recycler 22-inch lawnmower robot. This mower features 4WD, remote start and kill switches and optional bagger.
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 4 standard beacons and 1 beacon with built in IMU.