Hardware consists of microcomputer, stepping motor control card, stepping motor driver and stepping motor and so on.

硬件由微机、步进电机控制卡、步进电机驱动器和步进电机等器件组成。

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In this paper, microcontroller, stepper motor driver chips, character LCD and keypad array, build a set of stepper motor controller and driver as one of the stepping motor control system.

本文应用单片机、步进电机驱动芯片、字符型LCD和键盘阵列，构建了集步进电机控制器和驱动器为一体的步进电机控制系统。

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This system consists of steering electronic control unit (ECU), all hydraulic steering, stepping motor, stepping motor driver and angular displacement sensor, etc.

该系统由转向电子控制单元(ecu)、全液压转向器、步进电机、步进电机驱动器、角位移传感器等组成。

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Stepping into his garage he opens the driver's door, sits inside, flicks on the ignition and listens as the four turbofans blast into life.

CNN: The story