1769-SDN

1769-SDN舵机的轴上连接有一个电位器作为位置检测传感器，舵轴转动时，电位器输出的电压会变化（也就是可以通过电压得知舵轴的角度）。外部输入控制信号时，控制电路会比较控制信号与舵轴位置是否有偏差，如果不同，则会控制马达驱动舵轴转到预定的位置，直到控制信号与舵轴位置相同。这个控制系统一般也是由PID实现的。

我们在使用舵机时，可以不用考虑它内部是如何工作的，只需要按规则给出合适的控制信号即可。

1769-SDN

1769-SDN 

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