Hardware Peripheral Input/Output

Stepper Motor Drivers

A "stepper motor driver" is a board with some big transistors that turns the wimpy "step" pulses from a parallel port (or a microcontroller) into the high-voltage, high-power, sequence of coil energy sources for the wires of a stepper motor.

NEW! Roman Black's Linistepper 2. stepper controller kit Drives medium to small unipolar (5, 6 or 8 wire) stepper motors with ultra smooth microstepping modes. Proceeds support our site.
NEW! Roman Black's SLAm stepper controller kit Drives medium unipolar (5, 6 or 8 wire) stepper motors with microstepping. Proceeds support our site.
Our break out board supports up to 4 PMinMO compatible drivers and provide +5 regulated power, a test pulse circuit, and some other handy things.
Design of a High Current Bipolar Stepper Motor Driver drives bipolar (4-wire) stepper motors.
Toms Easy CNC Mill Stepper Motor Driver

See also:

http://www.mcwidgets.com/PUTB6560-ASY a well designed, small but powerful, TB6560 bipolar driver. $25.
http://avrstmd.com/ AVR-Based Microstepping Bipolar Chopper Stepper Motor Driver (STMD), as the name suggests, drives bipolar stepper motors. $70.
http://www.geckodrive.com/g251x-p-38.html The Gecko is, of course, the gold standard for bipolar Stepper Motor drivers. $69
http://www.cnczone.com/forums/1026435-post14.html Why you do NOT want Centent CN0142/CN0143 drivers.

file: /Techref/io/stepper/drivers.htm, 2KB, , updated: 2011/12/23 13:17, local time: 2012/5/23 06:28,

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Stepper motors CAN be smooth! And stepper controllers can be strong and cheap. Roman Black's Linistep stepper controller kits:

o 18th microstep
o Linear smoothing

o Open source
o Full kit $25!