To that end he’s created a rig for characterising a potentiometer ... s a simple enough set-up in which a voltage controlled current source feeds the pot while an Arduino with a motor controller ...

With a little help from an Arduino mega, however, [EmmaSong] was able to balance a high density neodymium magnet in midair. He pulled off this tricky project using a set of four coils he got off ...

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 ...

Setting a 16bit binary number that needs to be viewed in decimal (second row) did not work so well as the upper byte potentiometer affects all five ... (I might still try it….) Arduino note: After ...

This is all part of my personal challenge to quickly and accurately manually set 16bit numbers for microcontrollers ... Meanwhile, I came across the most wonderful potentiometer interface (right) ...