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我用32单片机测openmv的io口电平输入和输出是否正常,(单片机是好的),如果只用一根线单纯测输入或输出的话openmv的IO口不正常工作,测得的数据是不对的,如果用两根线一根测输入一根测输出测得的数据就是正确的,IO口是正常工作的,为什么,现象很奇怪,这应该不是焊的问题吧
https://book.openmv.cc/example/02-Board-Control/pin-control.html
测试这个代码。