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最近在尝试使用自制的板子通过I2C和六轴惯性测量单元进行通信，结果发现始终无法工作。用示波器观察SCL和SDA波形如下：
测试的时候是断开器件，管脚连接直接连示波器测得的，不知问题具体出在哪块，请各位解答一下，谢谢~
