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Arduino Soil Probe using DS18B20 and DIY Moisture Hardware

As a fanatical gardener or a professional farmer, knowing the environmental conditions of our soil is invaluable. Obviously, we can’t measure the number of worms or pieces of organic humus, but we can measure temperature and moisture content really easily. This is not a difficult project and what you end up with is a very swanky looking bit of kit that will impress most people until you put it in the soil and it gets completely covered in dirty, sticky mud!”

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