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Arduino® Nano - Pinout - StudioPieters®
Amazon.com: SparkFun Qwiic Shield Compatible with Arduino Nano-connect the I2C bus (GND, 3.3V, SDA and SCL) to four Qwiic connectors (two horizontally and two vertically mounted)-daisy chaining-Soldering Required : Electronics
Nano I2c Peripheral - Scargill's Tech Blog
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