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This is the fusion of my old Qwerkbot project and a 4WD base, with omniwheels replacing the originals. I've also attached one of Oddbot's compound IR sensors for better object tracking. Details of my (slow) progress can be found on the blog listed above. Latest Update: finally implemented (stationary) pan/tilt object tracking! (See video)
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/qwerkrover