Several stepper motor Control circuits:  (electronic circuit added 4/05)

Simple circuit Controls stepper motors:  01/08/04 EDN Design Ideas  /  (added 1/05)  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 ......

Solarbotics NV-Based Circuit:  uses a single IC (and it's a common one, too -the 74AC240) to give you motor drive in a single direction     (added 11/05)

Step Motor Controller:  This Application Note describes how to implement a compact size and high-speed interrupt driven step motor controller. Step motors are typically used in applications like camera zoom/film feeder, fax machines, printers, copying machines, paper feeders/ sorters....  (app note added 3/05)

Stepper Motor Control using the PIC16F684:  Microchip Application Note Published 23-Feb-04   (app note added 2/06)

Stepper motor Controller #4:  (electronic circuit added 4/05)

Stepper Motor Controller #5:  This reference design demonstrates a high performance stepper motor system using the C8051F300 microcontroller. The reference design provides for both stand-alone demo operation and UART control. It may also be used as a platform for stepper motor code development. (app note added 3/05)

Stepper Motor Driver :  74194 Inexpensive stepper motor driver that could be used to power slow speed projects on the layout or other hobby applications (added 6/03)

Stepper Motor Driver using L298 and L297:  (electronic circuit added 4/05)

Stepper Motor Driver using TEA3718/3717:  (electronic circuit added 4/05)

Stepper Motor Experiment:  (circuit / design added 8/03)

Stepper Motor Microstepping with PIC18C452:  Microchip Application Note Published 21-Mar-02   (app note added 2/06)

Stepper Motor Positioner:  (electronic (schematic / circuit added 4/02)

Stepping motor controller:  Intelligent stepper motor controller with PIC16F84. It can be controlled with PC that conncted with RS-232C. And it can also set up acceleration value, maximum velocity and drive method.  (added 10/05)

Stepping Motor Driver: Minimalist circuit uses one CMOS gate and is reversible :  Many floppy drives and some subminiature printers contain bipolar stepping motors that draw very little current. The first circuit will drive small 5 volt steppers directly but you can switch to a 4070 chip and add.... (added 2/05)

Stepping Motors Fundamentals:  Microchip Application Note Published 23-Feb-04   (app note added 2/06)

Super Simple Stepper Motor Controller:  (circuit / schematic design added 6/06)

Two Components Drive Stepper Motor:  01/19/95 EDN-Design Ideas / (added 3/03)

Using COP800 Devices to Control DC Stepper Motors:  National Semiconductor Application Note   (app note added 2/06)