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I²C - Wikipedia
Serial Buses — FIRST Robotics Competition documentation
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I2C - Control System
I²C - Wikipedia
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Grove - I2C Hub (6 Port) - Seeed Studio
PCF8574 I2C 8-bit Port Expander Breakout Board — PMD Way
I2C Shield for Raspberry Pi 4, Pi 3, & Pi 2 with Inward Facing I2C Port - store.ncd.io
ESP8266: I2C PORT and Address Scanner : 8 Steps - Instructables
L'interface I2C des cartes ARDUINO
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PCF8574T I/O for I2C Port Interface Support Cascading Extended Module
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AK-PCF8575 – I2C 16-bit IO Expander Breakout | Artekit Labs
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I2C Port Splitter Kit (requires soldering)
