Soil moisture sensors typically refer to sensors that estimate volumetric water content.
Operating voltage: 3.3V~5V
Dual output mode,analog output more accurate
A fixed bolt hole for easy installation
With power indicator (red) and digital switching output indicator (green)
Having LM393 comparator chip, stable
Panel PCB Dimension: Approx.3cm x 1.5cm
Soil Probe Dimension: Approx. 6cm x 3cm
Cable Length: Approx.21cm
VCC: 3.3V-5V
GND: GND
DO: digital output interface(0 and 1)
AO: analog output interface