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Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in /home/admin/domains/scienceflicks.com/public_html/bcms/bcmscore.lib.php on line 1616 Making a PIR Sensor Less Sensitive in Electronics Technology Videos | Science Flicks
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This PIR sensor is too sensitive - it keeps turning on even when there's nobody about. A few resistors added to the circuit have reduced the sensitivity.
