They are cheap and work well enough. But [Playful Technology] wanted to control the hands with an Arduino directly and, in the process, he shows us how these modules work.

What are your favorite Raspberry Pi and Arduino projects? If you’re looking for more cool things to build with your spare microcontrollers and SBCs, I’ve got a couple of other recommendations.

Read this article online.Proportional integral derivative (PID) control is a common method used to regulate the dynamic behavior of a system. Examples are found in many industrial ...