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Yep, I understand AC and DC current very well. I've just not added the code because I can never seem to find time to play with those sensors, that is changing very soon and I'll post up what I have built. I have some that are just sensors with LED?Neopixel displays that change colors to let you know what the moisture levels are as well as some RF models that communicate with my Vera to notify via text/email along with the LED/Neopixel visual aspect.
Thanks for the comment MikB. There are other things that can be done to help save the sensor, like every other time the sensor runs, change the polarity of the current. I've seen some arduino code that will do this before but I've never taken the time to add it to my code. (Which I will in the future) The reason for corrosion happening so fast in my case is, proof of concept designs in soil (no plant) probing way more often than needed. I'll be posting my plant sensor design and instructable soon. Thanks again for your wisdom and wise words.
Damaged Soil Moisture Senso...View Instructable »
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