With a little help from an Arduino mega, however ... It appears he uses a potentiometer for a rough regulation of the current going to the coils, doing the fine tuning in the code which can ...

He’s using two Arduino Megas. One is solely for the GPS, and the other controls everything else. [Jack]’s autopilot has three modes. In the one he calls knob steering, a potentiometer drives ...

The Arduino board uses a potentiometer to control an RGB (common anode) LED, turning the knob will change the color of the ...