So you've already outgrown ... the Hue/Saturation menu, Button 3 sends Ctrl + J that adds a new layer via copy, and Button 4 sends a V that turns on the Move tool. Potentiometer 1, on the other ...

This is an easy tutorial showing how you can control the brightness of an LED or adjust the speed of a DC fan using Arduino Board, a small BC547 transistor and a potentiometer. In my example the whole ...