https://cstwiki.wtb.tue.nl/index.php?title=File:PIR_sensor_direction_motion.png&feed=atom&action=historyFile:PIR sensor direction motion.png - Revision history2024-03-28T19:29:18ZRevision history for this page on the wikiMediaWiki 1.39.5https://cstwiki.wtb.tue.nl/index.php?title=File:PIR_sensor_direction_motion.png&diff=41436&oldid=prevS143192 at 18:35, 11 June 20172017-06-11T18:35:30Z<p></p>
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