The Omron Adept MobileRobots AmigoBot is a small, durable general purpose differential-drive mobile robot platform. The AmigoBot can receive motion commands and provide data via a wifi connection, or by adding your own small low-power computer.
The AmigoBot can be used in ROS using the “rosaria” or “p2os” drivers, and model and launch configuration is available. Visit http://wiki.ros.org/Robots/AMR_Pioneer_Compatible for more information.