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Calibrating touch-screen systems

Posted: 14 Nov 2012     Print Version  Bookmark and Share

Keywords:Mechanical misalignment  scaling  touch screen panel 

Mechanical misalignment and scaling factors result to a mismatch between the values coming from a touch screen panel (as translated by a touch screen controller) and the display (typically an LCD) on which the touch screen panel is mounted. This article discusses the mathematical techniques to calibrate the touch-panel system so you can match the graphics on the display to the output from the touch-screen controller.

View the PDF document for more information.

Originally published by Maxim Integrated at as "An Easy-to-Understand Explanation of Calibration in Touch-Screen Systems".

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