Gravity: Liquid Flow Sensor (G3/4)

Liquid flow sensor using electromagnetic principle for reliable liquid measurement. Features include easy installation, wide voltage range, and RoHS compliance.

Green WireOfficial table 2 row 1
OUT / Signal Output
Type · digital io
Red WireOfficial table 2 row 2
VCC / Positive Power Supply 3.5V-24V
Type · power
Black WireOfficial table 2 row 3
GND / Negative Power Supply
Type · ground

Pin	Position	Type	Function	Voltage
Green Wire	Official table 2 row 1

Start wiring

Environmental Sensors · Sensors

Verify supply voltage and logic levels before powering up.

Module pins: Red Wire, Black Wire. Schematik maps them to your board in the app.

Related groups

4 groups

Air quality

Choose between MQ gas sensors, VOC/eCO2 indoor-air sensors, true CO2 modules and particulate sensors without treating every air-quality breakout as the same detector.

Sensors · Gas & air-quality sensors · 29 parts

Temp and humidity

DHT11, DHT22/AM2302, and DHT20/AHT20 sensors solve the same broad job, but only some are acceptable substitutes in the same circuit.

Sensors · Environment sensors · 19 parts

Environment sensors

Choose between temperature-only, temperature/humidity, pressure and indoor air-quality modules without treating every environmental sensor as a drop-in substitute.

Sensors · Environment sensors · 8 parts

Light and colour

Photoresistors and color sensors both respond to light, but they expose very different signals and are not sensible drop-in substitutes.

Sensors · Light & color sensors · 6 parts

Pinout

Start wiring

Air quality

Temp and humidity

Environment sensors

Light and colour