Marky uses the Parallax Quickstart and FAST Robotics Robot Shield as its heart and brain. He also uses 3 Parallax Ping Sensors to find objects in an environment. Marky is based on a cheap RC Truck from Toys R Us and hacked together in true HAD form. Eventually Marky will have an LCD on his front bumper to tell little children when it's safe for them to grab a business card for their parents. Marky is also committed to sharing, all his code and design work is completely OSHW.
Looks great David!