Jinx email (remove spam text)
Any chance a thin slice of conductive foam could be used somehow ?
> Hi, all - need a cheap, cheap, cheap "fog detector" sensor, to tell when
> a piece of glass is getting fogged up. I've thought of using a
> LED/photodiode pair, which has possibly problems; Could use an
> enclosed/open thermistor pair, I suppose. Anyone have ideas?
> What I need is a signal "Glass is fogged, or getting slightly fogged" /
> "Glass isn't fogged", it'd be nice if this is $1 or so in price, I want
> to turn a fan on & prevent fogging of the glass, if I can.
See also: www.piclist.com/techref/io/sensors.htm?key=sensor
You must be a member of the
piclist mailing list
(not only a www.piclist.com member) to post to the