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Aug 2, 2013 at 10:35 comment added Mels Besides, if you dip it in water while using it (i.e. sending a current through it to measure the resistance), you will likely have major corrosion issues due to electrolysis.
Aug 2, 2013 at 10:32 comment added Mels Maybe, if by "wet" you mean "wet with anything other than pure H2O". For example, dipping it in tap water will probably leave you with harmful mineral residue in the substrate, which you may or may not be able to get rid of again. The sensor was not made for detecting liquids, it was explicitly designed to detect relative humidity of air.
Aug 1, 2013 at 17:41 comment added user10256 Does it break if you get it wet?
Jul 24, 2013 at 9:57 comment added Mels @AnandKumarRai: I found the image by doing a Google Images search for "resistive humidity sensor" when I was trying to confirm my answer. The original page: tdk.co.jp/tfl_e/sensor_actuator/CHS
Jul 23, 2013 at 20:59 comment added Kaz @dhenderson This could be used to automatically adjust the EQ to compensate for humidity's influence on guitar speakers.
Jul 23, 2013 at 16:50 comment added hairyhenderson Thank you very much! I had no idea such a thing existed. I can confirm that this indeed works. To test it, I hooked it up to an LED and breathed on it... As I breathed, the LED lit up brighter. I'm sure I will find an excuse to use this in a project ;)
Jul 23, 2013 at 16:49 vote accept hairyhenderson
Jul 23, 2013 at 16:19 comment added AKR Can you please share the part number for this component and any manufacturer?
Jul 23, 2013 at 14:33 history answered Mels CC BY-SA 3.0