Usually, when you want a servo motor, you simply buy one already made. But if you need something unusual, you can turn any DC motor into a custom servo you can control just like [Dejan] did.

Servo systems can be difficult to troubleshoot, but their digital controls usually have extensive diagnostic ... aspects when specifying servo motion controllers and motors. Careful up-front design ...

Copley Controls’ Dean Crumlish demonstrates the Nano Series digital servo drives, which offer a small footprint for the flexibility to mount directly on the motor or within robot joints.

Building a 3D motor printed motor is one thing, but creating a completely custom servo motor with encoder requires some significant engineering. In the video after the break [365 Robots] takes us ...

The Festo CMMT-ST starter kit offers a host of learning curve benefits and costs 50% less than individual parts.