Figure 3-5: Stepper motor control circuit. This project uses the ULN2803 octal high-voltage, high-current Darlington array to switch the stepper coils. This chip is readily available for around $0.75 ...

Stepper motors are useful in many consumer, industrial, and military applications. Some, such as personal-transportation systems, require precise speed control. Stepper-motor controllers can be simple ...

ECEA 5341 Motors and Motor Control Circuits ECEA 5341 Motors and Motor Control Circuits 2nd course in the Embedding Sensors and Motors Specialization. Instructors: Jay Mendelson, MSME, Lecturer & ...

For example, the figure shows a USB-based controller for four stepper motors built using inexpensive off-the-shelf components. The circuit requires no microcontroller or DSP.