【Milk-V Duo 开发板免费体验】4-Linux控制小车动作（原创）首发

[milkv]

视频见https://bbs.elecfans.com/jishu_2371138_1_1.html

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This is a companion discussion topic for the original entry at http://forum.sophgo.com/t/milk-v-duo-4-linux/189