This is a robotic arm made with lego technic parts, lego mindstorms motors, a raspberry pi and a Pistorms V2 controller. It is controled with an ordinary wii remote, using a blutetooth dongle. It has four degrees of freedom and can rotate at the base, move forward and back also at the base, move at the elbow and grip objects with the hand. It uses three medium motors and a large motor. It is programed using python. If you have questions of comments fell free to write them below!