Gravity: Analog Capacitive Corrosion Resistant Soil Moisture Sensor for Arduino / Raspberry Pi

Capacitive soil moisture sensor provides reliable moisture measurement, features waterproof detection, and is compatible with low-voltage MCUs like Arduino.

VCC
Gravity 3-pin interface supply for the capacitive soil moisture sensor; product/wiki state onboard regulator supports 3.3V to 5.5V low-voltage MCUs.
Type · powerVoltage · 3.3V to 5.5V
GND
Ground return for the Gravity 3-pin sensor interface.
Type · groundVoltage · 0V
SIG
Analogue moisture output from the capacitive soil moisture sensor; product page states analogue output is about 1.2V to 2.5V.
Type · analogVoltage · 1.2V to 2.5V analogue output

Pin	Position	Type	Function	Voltage
VCC		power	Gravity 3-pin interface supply for the capacitive soil moisture sensor; product/wiki state onboard regulator supports 3.3V to 5.5V low-voltage MCUs.

Start wiring

Analog · 3.3V to 5.5V · 0V

Confirm the data interface matches your host board.

Module pins: VCC, GND, SIG. Schematik maps them to your board in the app.

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Pinout

Start wiring

Air quality

Temp and humidity

Environment sensors

Light and colour