> controller in the fan take that as an input
Yes - doing this is quite ugly, electrically, is all. Dimmable LEDs, etc. do this same thing (with the load supply, not a separate line - you couldn't get away with this on a fan.)
Yes - doing this is quite ugly, electrically, is all. Dimmable LEDs, etc. do this same thing (with the load supply, not a separate line - you couldn't get away with this on a fan.)