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Behavior Research Methods

, Volume 38, Issue 1, pp 170–173 | Cite as

A PC parallel port button box provides millisecond response time accuracy under Linux

  • Neil StewartEmail author
Article
  • 938 Downloads

Abstract

For psychologists, it is sometimes necessary to measure peoples reaction times to the nearest millisecond. This article describes how to use the PC parallel port to receive signals from a button box to achieve millisecond response time accuracy. The workings of the parallel port, the corresponding port addresses, and a simple Linux program for controlling the port are described. A test of the speed and reliability of button box signal detection is reported. If the reader is moderately familiar with Linux, this article should provide sufficient instruction for him or her to build and test his or her own parallel port button box. This article also describes how the parallel port could be used to control an external apparatus

Keywords

Behavior Research Method Round Trip Parallel Port Control Port Millisecond Accuracy 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Psychonomic Society, Inc. 2006

Authors and Affiliations

  1. 1.Department of PsychologyUniversity of WarwickCoventryEngland

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