Author Topic: DIY Soil moisture sensor?  (Read 1793 times)

Tyler

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DIY Soil moisture sensor?
« on: March 31, 2010, 11:48:22 AM »
Would It be possible to make a homemade soil moisture sensor? I was thinking about using two nails and a 10k resistor. Do you think that would work?

texasclodhopper

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Re: DIY Soil moisture sensor?
« Reply #1 on: April 01, 2010, 09:25:34 AM »
You need to make it out of a material that won't corrode.

IOBridgeAndy

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Re: DIY Soil moisture sensor?
« Reply #2 on: April 04, 2010, 09:58:08 PM »
Also, you need a "material" that absorbs the moisture.

Link: http://www.cheapvegetablegardener.com/2009/03/how-to-make-cheap-soil-moisture-sensor.html

The cheapest commercial version is
Link: http://www.vegetronix.com/Products/VG400/

My application was to read my lawn's moisture content and control the sprinkler system along with the projected 7 day weather forecast from I/OBridge serial API.
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