The following websites provide demonstrations of the mechanism of perceptual control.
- Repository of computer programs developed by WIlliam T. Powers, referenced in Living Control Systems III. https://sites.google.com/site/perceptualcontroldemos/
- Adam Matic’s demo programs for your browser are Java versions of Powers’ original DOS programs and tutorials, with more conversions to come, such as Living Control Systems III. http://www.pct-labs.com/
- Rick Marken’s collection of PCT demos. https://www.mindreadings.com/