Check out this video tutorial for building your own soil moisture sensor.
A little while back, we posted about a new tutorial telling you how to create your very own DIY soil moisture-sensing light. Today we have a followup - a video to go along with it. If you're more of a visual learner, give it a watch:
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You can also check out the original post here and the full written tutorial here. As always, feel free to leave any questions in the comments section below!
Graphite. Get thick pencil leads for your sensor probe; no corrosion. Just be careful not to break them. Hmmmm, maybe some graphite thermal sheets would work as well, fastened with double-stick tape to the stake. I have some of that with one sticky side... off to the laboratory!
Ops! I think I just hit a report post by accident! Sorry!
Indeed you did. No worries. :)