How to build your own adruino based electrostatic field mill. I'm going to show you how to build this amazing device that allows you to monitor the amount of electrostatic potential exists around you. Youll be able to watch the electrostatic fields that follow under clouds, occur when you move and walk or even wave your arms! We're going to build this from parts that almost any body has around the house.
Here's a video demo of it in action!