Any of the iRobot Roombas will work with the EZB(4) controller. The limiting factor is that the Roomba must have the Open Interface to send and receive data/commands.

Roomba models to consider are: 4XX, 4XXX, 5XX, 6XX, 7XX, and 8XX.

Thanks - I was looking for "cheaper" robots; IF they're able to be programmed relatively easily. The Superhero is dead cheap in Australia - http://www.godfreys.com.au/superhero-robot-hard-floor-sweeper - Only $49. But....

Wondering if anyone had used these cheaper knock off robots.

You can find remarkably low cost Roombas on ebay. Other bots that don't have an interface will require you to connect directly to their motors and sensors using the digital and analog ports of the EZB(4) controller. Motor control will also require H-bridge controllers.

The challenge that you are facing with low cost (cheap) robot floor vacuums is that they lack a communication interface. The higher cost vacuums, such as I robot have an interface which the EZ-B v4/2 Wi-Fi Robot Controller connects for controlling the motors.

As mentioned, if you purchased a low cost vacuum, which will not have a communication interface, then adding an 2.5 Amp Motor Controller will be necessary.

By the time you're done - it may make more sense to simple get an EZ-B v4/2 Wi-Fi Robot Controller and Rover Body with HBridge to start right away with our software and robotics for education cost effectively.

Using that option, there is the ability to scale and add accessories in the future - such as a EZ-B v4 Camera or more parts from here: https://synthiam.com/Shop/Default.aspx?CatId=104

Thanks one and all. Ditching Roomba ideas....think I will go with a robotics kit.

Moves away from my original idea of finding relevant robots, but alas..