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为啥用VIN和GND供5V（电源是5V5A开关电源）电，OPENMV有时候工作，有时候不工作。用USB连接电脑运行一切正常。
用杜邦线焊到OPENMV引脚口，再连接到单片机的5V和GND供电。有时候单片机开机，OPENMV不工作。这到底怎么解决
检查一下VIN和GND的连接是否牢固。你说的有时候工作有时候不工作，具体什么现象？