try
http://www.figarosensor.com/gaslist.html

for cheap ones like microwave ovens use to turn off the popcorn
before it bursts into flame..


>
> I need to know what folks are using to measure humidity.  I need to know
> the humidity in a human-occupied room (it wasn't specified if it were
> relative or absolute - which do I want?) in order to keep it within comfort
> limits.
>
> What are you guys (and gals) using?  How does it interface?  If you could

alice
token gal
(i prefer intelligent enabled entity, myself)

> re-do the project, would you use the same thing (assuming code changes are
> acceptable).
>
> I'm hoping for a single analog or PWM input.