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Measure water quality
The hall effect 3144 is an integrated Hall effect non-latching sensor
It will return a higher value around 5
Input Voltage: 7-12V
Soil Moisture Sensor Digital Measure water qualityIntroduction: The fork shaped probe with two exposed conductors, acts as a variable resistor (just like a potentiometer) whose resistance varies according to the water content in the soil. This resistance is inversely proportional to the soil moisture: The more water in the soil means better conductivity and will result in a lower resistance. The less water in the soil means poor conductivity and will result in a higher resistance. The sensor produces
