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Sorry for an amateurish question, but can you mention why you needed to "creat[ing] a 38kHz infrared signal that would act as an invisible…

long PIR timeout IMHO, if you're using a PIR as an input to a micro, you're probably better off setting the PIR to it's minimum timeout…

Hmm... hadn't thought of using the female headers for those "off-grid" pins on the pro-Minis. (I've cut one end off a couple of M-M jumpers…

Yeah, you're making some great points! I especially like the idea of some kind of cue before the lights turn out. I had considered keeping…

Rather than considering it an "intruder" I'd be inclined to use a PIR as a sanity check for the occupancy count: if the count is zero, and…

I’ve used the sharp sensors for many robotic sensors for maze runners and mini-sumo, no people counting. The ones that feature an analog…

It'll also tell me if my dogs are in my office....not a bad idea.

There's nothing that says you can't have BOTH sensor systems! Indeed, as I type this, it's looking like the two 737-Max 8 crashes may have…

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