Unfortunately, most humidity/moisture sensors destroy themselves after a short while. We need a better solution.
Today we will test different sensors, and I will show you, how they work and why most sensors from China destroy themselves. And of course, we will find a solution to the problem.

Links:
Good (capacitive) moisture sensors: http://s.click.aliexpress.com/e/btMv8UQy
http://bit.ly/2t4xd1Q
(Mostly) bad moisture sensors: http://s.click.aliexpress.com/e/vsZUpze

Supporting Material and Blog Page: http://www.sensorsiot.org
Github: https://www.github.com/sensorsiot

My Patreon Page: https://www.patreon.com/AndreasSpiess
My Bitcoin address: 19FSmqbBzb5zsYB1d8Bq4KbxVmezToDNTV
If you want to support the channel, please use the links below to start your shopping. No additional charges for you, but I get a commission (of your purchases the next 24 hours) to buy new stuff for the channel
For Banggood https://bit.ly/2jAQEf4
For AliExpress: http://bit.ly/2B0yTLL
For Amazon.com: http://amzn.to/2EGiJcK
For Amazon.de: http://amzn.to/2r0ZCYI
For Amazon UK: http://amzn.to/2mxBaJf
For ebay.com: http://ebay.to/2DuYXBp

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Equipment in my lab: http://www.sensorsiot.org/my-lab/