搜索 - 科创

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MPU6050模块供电电压5V ，但是MPU6050芯片供电电压3.3v,模块内部有5V转3.3V的LDO.那么MPU6050的IIC总线接2个电阻上拉到3.3v.而ARDUINO是5V的。我想问，3...

导致在IAR里面连变量曲线图都画不出来（当然我认为这是IAR的锅，既然能Live Watch，凭什么不能绘图）。。。串口曲线总没问题吧，USB转串口，波特率上M。定时器刷基本不占用CPU.

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