220/110v input

jremington:
Have you taken a look at the website? Mostly Ohm's law calculations, and only 9 followers are listed, so little harm is done.

I had a quick look and also was slightly amazed in how many ways you can package Ohm's law and think you something new. Looks like a candidate for the picture next to the dictionary entry for Dunning-Kruger effect :slight_smile:

jremington:
I was amused by this definition of a diode:

That's hilarious :smiley: