SDP3x / SDP800 Series Differential Pressure Sensor¶
The SDP3x Differential Pressure sensor allows you to use your SDP3x (datasheet, sparkfun) or SDP800 Series (datasheet) sensors with ESPHome.

SDP31 Differential Pressure Sensor. (Credit: Sparkfun, image cropped and compressed)¶
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:¶
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
andmass_flow
. Defaults todifferential_pressure
.update_interval (Optional, Time): The interval to check the sensor. Defaults to
60s
.All other options from Sensor.