... task, and design the manipulator and end effector to be only as complex as will accomplish that task Trial and error is the best method in many fields of design, and is especially so for robots ... often, and test everything Mobile robots are inherently complex devices with many interactions within themselves and with their environment The result of the effort, though, is exciting, fun, and ... laboratory has produced custom-made functional mechanical parts and has embedded prefabricated mechanical parts, electronic components, electronic circuits, and sensors in the metal layers during the...