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I2C is very short range, it’s meant for connecting parts on the same board. You want something like RS-485. The Modbus protocol, which runs over RS-485 would be perfect for this.
I2C is very short range, it’s meant for connecting parts on the same board. You want something like RS-485. The Modbus protocol, which runs over RS-485 would be perfect for this.
Yes, from quick googling seems exactly what I want.