This video might be useful to you if you are using the same type of PIR.
Adding a light sensor to a PIR module. – 06:39
— bigclivedotcom
Best posts made by Drcashman
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RE: PIR sensor - Smartest way to disable at daytime? (newbie)posted in General Discussion
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RE: Burned out RPi?posted in Hardware
You might find fix here.
https://www.raspberrypi.org/forums/viewtopic.php?f=28&t=110164