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扫码结果怎么样能不用utf_8发送而是用asicc格式发到串口
@kidswong999 在 openmv怎么同时扫码 中说：
payload
怎么让程序知道他俩不同呀
这个代码是可以同时识别，但怎么返回到arduino呀，
二维码外表没有特殊的区分，但两个二维码中的数据要分开应用，怎么区分