Manipulators are robots created from a sequence of links and joints. The term manipulator means a device which is used to operate materials, parts and tools to perform a variety of tasks. The manipulator described in this book is a drilling manipulator, means it has a drill machine at its end. It moves the drill machine to specific coordinates in the workspace and drill through holes in the workpiece. Manipulator operates using two motors, one at its base and the other at the elbow joint. The movement of links and drill is controlled by micro controller.