This simple Grove moisture sensor is ideal for measuring soil dampness.
The Grove moisture sensor module uses the conductance of the soil due to moisture to measure how dry it is. Insert the two prongs of the probe into the soil, plug it into an analog channel of the Grove system, and make your measurements.
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Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Please visit www.P65Warnings.ca.gov for more information. This item was manufactured prior to August 31, 2018.