openmv4需要sd卡吗、

回答: 是的，OpenMV4需要SD卡。当上电的时候，如果插入SD卡，SD卡的文件系统就会自动取代内置的Flash文件系统，每次上电，就会运行SD卡中的main.py。SD卡最大支持32G的容量。\[1\]
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