电动推进注射器的控制系统的设计，单片机控制步进电机的正反转，加减速，led显示,Electric propulsion control system syringe design, single-chip stepper motor of the positive control, acceleration and deceleration, led display

用于51单片机的步进电机控制注射器运动的步进电机驱动程序。-Stepper motor control for 51 single syringe movement stepper motor driver.