So this thing crossed my path.
I suppose that’s as much of a disclaimer as you’re going to get.
Because it’s pure snake oil.
Of course I took it apart and reverse-engineered it.
The battery was a bit dodge so I disconnected it.
Someone else had been here before.
The schematic is very similar to the one on the cs.cmu.edu web page. The power supply is… interesting. Unless there’s an external transformer that I don’t have?
- US Patent 3,290,589 issued Dec. 6th, 1966
- Here’s a long but interesting history of the e-meter: https://scientologymoneyproject.com/2020/06/03/a-brief-history-of-how-scientologys-e-meter-came-into-existence-parts-1-10/