When a whisker bends, a sensor on its shaft signals software to orient the ’bot toward the object.
一旦有触须碰到物体弯曲，位于其顶端的传感器就会向软件发出指令，引导机器鼠向这个物体移动。
Generally speaking, in the PMSM (Permanent-magnet synchronous motors) control system, mechanical sensor on the rotor shaft is required to detect the position and speed of the rotor.
一般来说，在电动机调速控制系统中需要在转子轴上安装机械传感器，测量电动机的速度和位置。
The ST420 is an analog-output shaft speed sensor.
ST420是一款模拟输出轴转速传感器。
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