请问一下,为啥电压这个高呢,我这个板子校准过的啊,打开扫描的时候,旗标一直变来变去,是焊接不好?
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开始是可以读到数据的,我校准了电压,没校准过来,发现电压溢出了,然后按你们说的烧录一下分位,烧录到半时,显示772错误代码,然后就没通讯了。硬件检查,IC焊接良好,SDA,SCL电压3.27V,基准电压2.49V。