IEEE Spectrum on MSN

A new way to spray paint color

Dial up hues with this Arduino-powered, on-demand spray-can mixer ...
Abstract: Electric motors are the most widely used actuators for converting electrical to mechanical energy. Stepper motors perform various automated tasks because their position control is accurate.
This DIY 6-DOF robot arm project details a two-year build cycle using 3D printed parts, custom electronics, and over 5,000 ...
There are plenty of drones (and other gadgets) you can buy online that use proprietary control protocols. Of course, ...