Measuring humidity?

Benjamin J Walter bwalter at mit.edu
Tue Oct 29 17:46:38 EST 1996


Does anyone know where I can find information on building some kind of
humidity sensor?  I want to record environmental data (eg humidity
and temperature) electronically to compare growth rates, but so far
I've only cme across very high priced commerical sensors (e.g.
>$200).

Any help would be greatly appreciated!

Thanks,

Ben




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