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I bought a pair of PIR detectors 'tother week, however have been pretty busy recently. This afternoon i got them on board! So the PIR sensors are mounted on a box, pointing at 90degrees to each other. They are effectivley covering a "left quadrent" and a "right quadrent". i have arranged the code so that if the Left PIR sensor is activated, the Horizontal constrains are rewritten as "centre, to "rightmost limit". If the Right PIR sensor is activated, the constraints are rewritten at "centre, to left-most" So ...
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/cat-exorcisor