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I²C stands for Inter-Integrated circuit, and is a data transferation system that allows connections between computers or microcontrollers and low-level peripherals (e.g. sensors or EEPROMS). It is a multi-master, multi-slave, single-ended, serial computer bus.

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Peculiar features of I2C communication between RPi and Arduino

I am currently trying to establish two-way communications between an Arduino Leonardo and a Pi model B using the I2C bus, as slave and master respectively. …
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Peculiar features of I2C communication between RPi and Arduino

questions that the smbus read_i2c_block_data doesn't actually work, and so I rewrote the code such that the Arduino only ever sends one byte at a time (imitating the behaviour of a register on a basic I2C
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