It uses two Raspberry Pi computers, 28 servo motors, and required over 250 hours ... it in motion — see the video embedded below. The tank uses custom software to handle gait control, and ...

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.

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