Gravity: Steam Sensor

Steam sensor connects to Arduino IO shield, increases output voltage with surface humidity. Not waterproof. Applications: rain detector, steam switch, touch sensor.

Analog output / blue wireblue wire
Analogue voltage output from the steam sensor. DFRobot specifies Analog output on the blue wire.
Type · analogVoltage · 0-4.5V at 5V supply, or 0-3.0V at 3.3V supply, per DFRobot product page.
GND / black wireblack wire
Ground wire for the Gravity steam sensor. DFRobot specifies GND on the black wire.
Type · groundVoltage · 0V return
Power / red wirered wire
Power supply wire for the Gravity steam sensor. DFRobot specifies Power on the red wire.
Type · powerVoltage · 3.3V or 5V power supply, per DFRobot product page.

Pin	Position	Type	Function	Voltage

Start wiring

Analog · 0-4.5V at 5V supply, or 0-3.0V at 3.3V supply, per DFRobot product page. · 0V return

Verify supply voltage and logic levels before powering up.

Module pins: Power / red wire, GND / black wire, Analog output / blue wire. Schematik maps them to your board in the app.

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