How can I2C communication be done using different pins other than the default SDA & SCL in an Arduino? - Quora
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Amazon.com: AW9523B IO Expansion Board for Raspberry Pi/Micro:bit/Ardu/STM32, I2C Interface, Expands 16 I/O Pins Allows Using 4 Expansion Boards at The Same Time, Expanding up to 64 I/O Ports : Electronics
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