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Python I2C Driver for Sensirion STS3X

This repository contains the Python driver to communicate with a Sensirion sensor of the STS3X family over I2C.

STS3X picture

Click here to learn more about the Sensirion STS3X sensor family.

Supported sensor types

Sensor name I²C Addresses
STS30 0x4A, 0x4B
STS30A 0x4A, 0x4B
STS31A 0x4A, 0x4B
STS31 0x4A, 0x4B
STS32 0x4A, 0x4B
STS33 0x4A, 0x4B
STS35 0x4A, 0x4B

The following instructions and examples use a STS30.

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 black GND Ground
3 yellow SCL I2C: Serial clock input
4 red VDD Supply Voltage 2.15V to 5.5V

Documentation & Quickstart

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

Contributing

We develop and test this driver using our company internal tools (version control, continuous integration, code review etc.) and automatically synchronize the master branch with GitHub. But this doesn't mean that we don't respond to issues or don't accept pull requests on GitHub. In fact, you're very welcome to open issues or create pull requests :-)

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.