The MaxBotix low voltage MB1000 LV-MaxSonar-EZ0 offers very short to long-range detection and ranging, in an incredibly small package with ultra low power consumption. The MaxSonar-EZ0 detects objects from 0" to 254".
This is a programmable autonomous robot prebuilt kit that can be controlled via Gamepad. The MarvelMind IPS (Indoor Positioning System) provides indoor navigation. BeagleBone Black (Rev C) microcontroller provides the most flexible platform possible.
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.