Interfacing Stepper Motor using LPT1

Version 1.1.0.0 (1.69 KB) by Sourav Ray
This is a simple yet powerful Program to drive Stepper Motor using Parallel Port.
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16K Downloads
Updated 4 Apr 2009

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This program is a good example use of DAQ toolbox instructions for hardware interfacing. The adapter chosen here is parallel port. Program contains a simple GUI to monitor the progress. LPT gives an O/p varying from 2.08 to2.35 volt. It is sufficient for ULN2003. Use a buffer before it. Hope you will find it helpfully .

Cite As

Sourav Ray (2026). Interfacing Stepper Motor using LPT1 (https://www.mathworks.com/matlabcentral/fileexchange/7114-interfacing-stepper-motor-using-lpt1), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R13
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.1.0.0

Ample Hout <ah2594@columbia.edu> reported a bug on line 83, the code is actually misleading one, because it does not guarantee a functional pause of 0.001 sec...
Pause of 0.01 sec is supported in most of the platforms

1.0.0.0