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hi , very nice video
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Excellent video!
It is always good to remind on actual facts.
Small remark: at the end of the video, he showed how the motion detector does not react when the coil is slowly passed over the object.
Because in that case there is no "trigger" (in his own words). The detector reacts to the "trigger". Yes, that is true... BUT only in the case of motion type detectors.
If an absolute beginner is watching the video, someone younger with no experience and knowledge; one may come to the wrong conclusion that this type
of detector is the only one possible.
So the author should have only briefly mentioned that this is about only one type of detector... among several different types.
Everything else is really well done!
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