Re: [misterhouse-users] Sensing current in a 110VAC wire

[Evan G. <gr...@mn...>]

Noting that good, cheap and simple are relative... take a look at this 
(the target is a little off on the referenced page)

http://control.gsnu.ac.kr/~f007dan/cicuit/page8.htm#aclatch.gif

I haven't built one but it looks somewhat promising.

Evan

On 4 Feb 2003 at 19:58, John P. McCaskey wrote:

> Does anyone know a good, cheap, simple way to sense whether current is
> flowing in a 110VAC line, as one might do, for example, if one wanted MH
> to know whether a light were burned out?
> 
> I figure there should be some combination of a loop of wire or
> hall-effect sensor and a Weeder port that should work, but I can't think
> what the circuit would be with the coil, and I don't know enough about
> hall-effect sensors to know if they do this sort of thing.
> 
> -- John
>