> there's probably something else on the other end of that wire that is doing modulation based on the sense resistance
And it would have been great if that arbitrary assumption had been tested by the OP and the results were documented in the article so that they wouldn't come off as somewhat clueless as to the limitations of their design.. oh well.
These passive aggressive posts are a far worse violation of the HN Guidelines than what they're in reply to almost all of the time - and this is no exception.
No, no they're not. I would much rather people are warned about the guidelines and adhere to them going forward than the opposite and we then just let violations run rampant.
There are a lot of people who read or watch stuff from the Internet and then play with mains voltages without giving a though to how dangerous that is.
See: any craze which uses the high voltage transformers from microwaves
And it would have been great if that arbitrary assumption had been tested by the OP and the results were documented in the article so that they wouldn't come off as somewhat clueless as to the limitations of their design.. oh well.