I changed one line of code from pinMode(pirSensor, INPUT) to pinMode(pirSensor, INPUT_PULLUP) activating the internal pull up resistor on AtMega328 chip, making the PIR sensor properly turn on and off. Well that was easy.
Spent a lot of time scratching my head over it. Sure beats having to solder another doggone pull up resistor. Now the lights shut off when I leave my bedroom saving energy.
"http://www.pennlive.com/wildaboutpa/2018/02/coyotes_in_pennsylvania_whats.html"
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PIR Sensors can be used with anything that you need to detect motion. The modules I ordered from China were under buck a piece, and seem to work fine, although I think I will need to add a pull-up resistor for them to work properly with my lighting module.
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