Soil Hygrometer Detection Module Moisture Sensor for Arduino Smart Robot Car
This is a simple water sensor, which can be used to detect soil moisture.
Adjustable sensitivity by adjusting the digital potentiometer (shown in blue).
Dual output mode, more accurate with analog output .
A fixed bolt hole for easy installation.
With power indicator (red) and digital switching output indicator (green).
LM393 is used as comparator chip, and it is stable.
DO: digital output interface (0 and 1)
AO: analog output interface
Panel PCB Dimension: 3 x 1.5 cm
Soil Probe Dimension: 6 x 2 cm
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