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 stap… ...

Alexander Koch, who aims to build a general-purpose AI for robots, has released a robot arm that can be made for just around $250 (about 37,000 yen) on GitHub. GitHub - AlexanderKoch-Koch/low_cost ...