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Can I change the pins on the communication for a Master-Slave arduino Wire transmission? I want to communicate between 2 arduinos, but on one of them A4&A5 are taken

Jister13
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No, you can't change the pins used for I2C. They are hard wired to the ATmega chip's TWI hardware implementation (SDA + SCL). See Wire Library and Two Wire Serial Interface

spring
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