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Arduino library for the Pololu QTR reflectance sensors
C++ Arduino
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README.textile

Arduino Library for the Pololu QTR Reflectance Sensors

Version: 2.1.1
Release Date: 2014-05-02
www.pololu.com

Summary

This is a library for the Arduino that interfaces with the Pololu QTR reflectance sensors (QTR-1A, QTR-1RC, QTR-8A, and QTR-8RC).

For documentation, please see the user’s guide for the library on Pololu’s website.

Version History

  • 2.1.1 (2014-05-02): Minor improvements to read() behavior and whitespace cleanup.
  • 2.1.0 (2013-04-18): Improved existing examples and added two new examples for printing raw values.
  • 2.0.2 (2013-04-17): Made constructors initialize pointers to avoid possible problems.
  • 2.0.1 (2012-09-13): Added a 200 us delay after emitter state changes to ensure sensors do not start being sampled before the LEDs turn on/off.
  • 2.0.0 (2012-02-14): Initial release of library on GitHub (with Arduino 1.0 compatibility).
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