旋转式光电编码开关 - 润新知

旋转式光电编码开关

旋转式光电编码开关类似PC的鼠标，可以识别左旋转、右旋转和按下，分别对应菜单操作时的上下和确定。

输出A输出B对应2位循环码（格雷码）
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原文地址：https://www.cnblogs.com/jieruishu/p/6667764.html

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