009基于51单片机霍尔传感器电机测速设计(仿真+源码+电路图)

上传者: xiaofang3106 | 上传时间: 2021-07-04 19:02:43 | 文件大小: 5MB | 文件类型: RAR
本设计采用STC89C52单片机作为主控制器,采用霍尔传感器非接触式测电机转速 LCD1602液晶显示当前的转速,转速单位为转/分(RPM),和显示当前的pwm占空比0~100%。电机的速度可以通过按键调整,也可以开始暂停,正转和反转。注意:磁铁和霍尔元件最近距离在2mm左右,太近可能会在电机转动时碰到霍尔元件,太远霍尔元件可能会检测不到磁铁。 使用说明: 液晶屏第一行显示电机转速,第二行显示占空比,占空比数值越大,电机转速越快。 系统一共有6个按键,单片机附近的独立按键是系统的复位按键,按下单片机会复位。 下面一排是控制按键: 1键:加速键,可以短按,占空比加1,也可长按,占空比连续加; 2键:减速键,可以短按,占空比减1,也可长按,占空比连续减; 3键:正转切换键,按下后电机正转; 4键:反转切换键,按下后电机反转; 5键:开始暂停键,按一下开始,再按一下暂停。

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    2021-11-10
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