Tag Archives: thermometer

How to build a humidity meter.

Posted on May 23, 2012 by janpenguin

I need to measure humidity for practicing permaculture. I saw two humidity meters at a local shop. The price range were $20 to $15. I thought I would build it by myself. To build a humidity meter is relatively easy. … Continue reading →

Posted in Permaculture, Science and technologies | Tagged , , , , , , | Leave a comment