![sensors - Connecting two Arduinos via I2C while I2C Pins A4/A5 are already in use - Arduino Stack Exchange sensors - Connecting two Arduinos via I2C while I2C Pins A4/A5 are already in use - Arduino Stack Exchange](https://i.stack.imgur.com/4GgfN.png)
sensors - Connecting two Arduinos via I2C while I2C Pins A4/A5 are already in use - Arduino Stack Exchange
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How to connect multiple i2c-interface devices into a single pin A4 (SDA) and A5 (SCL) on Arduino? - Electrical Engineering Stack Exchange
How to connect multiple i2c-interface devices into a single pin A4 (SDA) and A5 (SCL) on Arduino - Quora
![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 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](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/614anl2kKdL.jpg)