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我正在尝试将Arduino Mega2560与SparkFun的CAN 总线 屏蔽连接并进行通信。我该怎么做?
将 CAN 设备连接到屏蔽层(正确连接CAN-Low和CAN-High信号)并在 CAN 低和 CAN 高信号之间放置至少一个 120 欧姆的电阻(它们有时称为终端电阻,但它们主要作用作为上拉电阻(类似于集电极开路/漏极开路的上拉电阻)。