Spherical Parallel Manipulator

Original design by NSK Ltd.
- https://www.nsk.com/jp/company/news/2...
- https://ja-jp.facebook.com/NSK.co.jp/...
- https://www.nsk.com/jp/special/
* I'm not sure, but the official website seems to have disappeared.

Parts
- NEMA17 Stepper Motor
- A4988 Stepper Motor Driver
- AS5048A magnetic position sensor
- Raspberry Pi pico (motor control)