6 Degrees of Freedom (DOF) Robot Arm Alternatively, for those interested in customization or perhaps a more hands-on approach, all of the parts required to assemble the AR4 can be 3D printed.

2. 6DOF Robotic Arm: This provides the necessary range of motion to pick up and place chess pieces accurately. 3. Magnetic Chess Pieces: These are essential for the reed switch detection system. 4.