Asked
— Edited
Here is something you may find interesting, I sure did.
PCA9685 Servo Driver
— Convert an EZB I2C bus into a 16-channel PCA9685 servo controller, exposing V0..V15 with hardware-timed PWM, external power and chainable boards.
Try it →
The Sultan's elephant. These guys released this in London, England a bunch of years ago. There are a bunch of other amazing things these guys make in their workshop/tourist attraction in Nantes. Everything they make is like mechanical puppets (direct human control i.e. - ropes, hydraulics etc.)