If you try writing your own I2C driver, please be aware it is possible to brick a Si7021 by having it erase its calibration memory! https://www.silabs.com/community/sensors/forum.topic.html/si7021_loses_serial-Lkb7

Schematic and Fabrication Print STEMMA QT Version

Schematic and Fabrication Print Original Version

This guide was first published on Sep 22, 2016. It was last updated on Sep 22, 2016.

This page (Downloads) was last updated on May 16, 2022.

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