You’ve built the perfect robotic arm. How do you drive it? If you are [angrymop] you interface a 3D mouse from 3DConnexion via a few microcontroller boards. The Spacenavigator mouse is a ...

[How To Mechatronics] capitalized on this and built a SCARA robot arm using 3D-printed parts and common 3D-printer components. The basic SCARA mechanism is a two-link arm, similar to a human arm.