SDP3x / SDP800 Series Differential Pressure Sensor

The SDP3x Differential Pressure sensor allows you to use your SDP3x (datasheetExternal link, sparkfunExternal link) or SDP800 Series (datasheetExternal link) sensors with ESPHome.

SparkfunExternal link

To use the sensor, set up an I²C Bus and connect the sensor to the specified pins.

# Example configuration entry
- platform: sdp3x
  name: "HVAC Filter Pressure drop"
  id: filter_pressure

Configuration variables: Copy link to header

  • address (Optional, int): The I²C address of the sensor. Defaults to 0x21.
  • measurement_mode (Optional): The measurement mode of the sensor. Valid options are differential_pressure and mass_flow. Defaults to differential_pressure.
  • update_interval (Optional, Time): The interval to check the sensor. Defaults to 60s.
  • All other options from Sensor.

See Also Copy link to header

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