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Tim Heath and Ryan Hickman’s Truckbot could be built for under $20 (excluding mobile). That’s pretty impressive for such an open and accessible robotics prototyping environment. Using a laser-cut cardboard chassis, $3 micro servos, and a bare bones Arduino, the duo have assembled one of the cheapest platforms to come along in a while. [via GadgetLab]

One of the main reasons for using cell phones as part of robots is to drive down costs. Today’s phones come with wi-fi, cellular connections, Bluetooth, GPS, touch sensing, accelerometers, magnetometers, displays, microphones, speakers, and cameras. They are now being powered by 1Ghz processors and come with ample amounts of storage. Everything you need in a robot except for mobility is already in your pocket. We just needed to add some inexpensive mobility to it.