51单片机霍尔传感器代码

上传者: hf171365253 | 上传时间: 2021-06-27 20:39:18 | 文件大小: 831KB | 文件类型: RAR
1、霍尔传感器是什么? 答:霍尔传感器是根据霍尔效应制作的一种磁场传感器。 用磁铁去靠近霍尔传感器时,霍尔传感器的引脚电平会产生变化。 2、霍尔传感器主要用在什么地方? 答:霍尔传感器可测速、计数、限位上。 举例限位功能:两个霍尔传感器形成45°的夹角,电机边缘粘着一个磁铁,一旦电机转动导致磁铁触发任意其中一个霍尔传感器,则STM32检测到触发后立刻停止电机,不能再继续往此方向转动。以此达到限制电机转动角度的作用。

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