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Python I2C Driver for Sensirion SFM3505

This repository contains the Python driver to communicate with a Sensirion SFM3505 sensor over I2C.

SFM3505 picture

Click here to learn more about the Sensirion SFM3505 sensor.

The default I²C address of SFM3505 is 0x2E.

Connect the sensor

You can connect your sensor over a SEK-SensorBridge. For special setups you find the sensor pinout in the section below.

Sensor pinout

sensor wiring picture

Pin Cable Color Name Description Comments
1 green SDA I2C: Serial data input / output
2 red VDD Supply Voltage 3.3V to 3.4V
3 black GND Ground
4 yellow SCL I2C: Serial clock input
5 SRDY

Documentation & Quickstart

See the documentation page for an API description and a quickstart example.

Contributing

Check coding style

The coding style can be checked with flake8:

pip install -e .[test]  # Install requirements
flake8                  # Run style check

In addition, we check the formatting of files with editorconfig-checker:

pip install editorconfig-checker==2.0.3   # Install requirements
editorconfig-checker                      # Run check

License

See LICENSE.

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Python driver for SFM3505. Next generation compact flow sensor family available in two performance levels

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