用statistics获取的L,A,B的平均值,A,B是有符号的,在取高第八位放入数组后,串口发出的数据不对,应该怎么取
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https://docs.python.org/zh-cn/3/library/struct.html
用标准库struct.pack函数。
https://cn.bing.com/search?q=python3+struct&go=提交&qs=n&form=QBLH&sp=-1&pq=python3+struct&sc=1-14&sk=&cvid=C1FFBCB2FC64471DA866912C00DB50EF