so I'm very new to the world of Arduino I recently got the Smart Plant Watering Kit 2.0 from elecrow and I love how it works. however, what I don't like about it is the Crowtail- Moisture Sensor 2.0 from what I have read is that due to power being applied all the time they corrosion very fast what I would like to do is upgrade them to a capacitive soil humidity sensors. The problem I see is that the v2.0 is a custom board using the Leonardo setup? and with the crowtail using 4 pins and the capacitive soil humidity sensors from what I have found using 3/2 pins how to I use something with this board
the moisture sensors you linked to have Vcc, Ground and 1 output pin. the output pin, I believe will output a linear value.
that means that any linear output value of a similar board would also be able to be connected to the same pin.
thanks for pointing that out. I also got the schematic and looking at the layout it's only using 3 connections Sig (Analog), Gnd, and Vcc (3.3-5v). which makes me wonder what the 4th pin on the main board is (not the sensor but the Arduino) still looking for the pin layout for that.
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that's a good idea however, I'm not too sure how and the thought has crossed my mind. b/c what i would like to do is adjust the code for some of my plants that like to stay dry like aloe vera so i wanted to set it up so that once the humidity reaches <10% start a counter for 3-4days then turn on the pump till it reaches back to 20-30%.
As for turning on/off sensor like you suggested the thing is I don't know much about this board setup or programming with arduino I'm not sure if I can do that with an analog. From what I can tell is that the board uses analog but I do not know what the 4th pin does whether it's not connected like on the crowtail or connected to something and if so what? I have contacted elecrow to see if I can get a pin layout or even a schematic for it but no response as of yet.