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我可以更改主从 arduino Wire 传输的通信引脚吗?我想在 2 个 arduino 之间进行交流,但其中一个被拿走了 A4&A5
不,您不能更改用于 I2C 的引脚。它们硬连线到 ATmega 芯片的 TWI 硬件实现 (SDA + SCL)。请参阅线库和两线串行接口