Ball Balancing Robot Single Ball Standing Ball Sphere Self-balancing Trolley Support Secondary Development - Parts & Accs - AliExpress
Ball balancing robot on the way - YouTube
GitHub - uArm-Developer/UArm-Self-balancing-ball: This is the original code for 2-wheel-self-balancing-robot. You can check the blog to see the mechanical parts of this: http://evol.net/blog/2-wheel-self-balancing-robot -by-using-arduino-and-mpu6050