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Steam Sensor

Steam Sensor
Steam Sensor
Steam Sensor
Steam Sensor
Steam Sensor

This steam sensor can be connected to the Arduino IO Expansion shield directly. The output voltage will increase when the humidity of the sensor surface goes up.

Warning: The connector is not waterproof, please be careful not to put the connector directly in water.


  • Simple rain detector
  • Cheap steam level switch
  • Touch sensor based on humidity


  • Power supply: 3.3v or 5v
  • Output voltage signal: 0~4.5v(@5v) or 0~3.0v(@3.3v)
  • Pin definition:
    • Analog output (Blue wire)
    • GND (Black wire)
    • Power (Red wire)
    • Size: 30x20x6mm

Parts List

  • Steam Sensor(1 unit)
  • Analog Sensor Cable(1 unit)
  • Availability: 3
  • Brand: DFRobot
  • Reward Points: 2
  • Product Code: DFR-SEN0121
  • Weight: 50.00g
  • SKU: DFR-SEN0121
  • UPC: 720405527659
Ex Tax: £2.57
Reward Points: 100
Tags: humidity , steam , touch , input