这是常用的直流电机的驱动电路，非常的简单，我都用过了，很好的。
This is commonly used in DC motor drive circuit, very simple, I have used, and very good.
介绍了一种直流电机驱动电源和转速测量系统设计方法，并给出了相应的电子电路和软件流程。
The design method of DC motor driving power and rotational speed measuring system is introduced in this paper, and the corresponding electronic circuit and software flow are also given.
为驱动运动部件，本文研究了直流电机控制原理以及利用DSP芯片结合直流电机控制模块实现直流电机控制的方法和电路。
To drive motion components, the thesis examines the controlling principle of DC motor and the methods and circuits of using the DSP chip and DC motor control modules to realize the DC motor control.
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