This could be a great starting point for a motion control system or a DIY simulator. The movement of the servos is very smooth, and they can all be controlled simultaneously and independently. The website has all the code needed for the build and a nice video of it in action.
This tutorial will describe how to use Arduino to control a bank of four independent RC servos with your PC (or Mac, or *nix Box), using a USB cable and a modular Arduino-Python software stack.
Read more about the Arduino-Python 4-Axis Servo Control
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