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openmv和arduino编写怎样的代码可以实现两者之间的串口通信?
https://book.openmv.cc/MCU/serial1.html
大佬想问一下如果要传送数据num,num是我前面程序输出值1或2,应该要写啥呢,直接用uart.write(num)嘛,那arduino应该如何写什么才能接受数据呢
https://book.openmv.cc/MCU/serial2.html
这个看了吗?