21.04.2025, News

Two separate I2C buses on Arduino Uno R4

 

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We’ve got another tutorial for you—exploring another way to connect two sensors with the same I²C address.
Using an Arduino Uno R4 WiFi, you can connect two SCD41 sensors in parallel by combining the pin header and Qwiic connector, each running on its own I²C bus. It’s a simple way to overcome address conflicts and keep your design adaptable.

 

Check out the full how-to here.

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