I built this as a class project last semester. I'm not a mechanical
engineer as you can see...but I can control hobby servos with
a microcontroller pretty well.
By the way, that is some fake PS1 controller that I
bought from an electronics surplus store , it connects
via RJ45 Ethernet which is weird but I managed to
The writeup of how the robotic arm project was done
including software source code is here:http://www.pyroelectro.com/projects/robotic_arm/