How PIR Motion Sensors Work - The Learning Circuit

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[mavericklast]

Looking to be an electrical engineer and I own an arduino (barely use it) but these videos are so helpful creating circuits will now become a full-time hobby

[doa]

Ms. What a wonderful "theatrical" presentation - your set is appropriate to your subject, your presentation skills, diction, eyes to the camera, voice quality - all excellent. Not to mention the information presented - clear, informative, good tips. I'm a new subscriber!

[MrCardeso]

Thanks, Karen! I have actually been considering a project involving PIR sensors.

[maxkiama]

Thanks for sharing this, i plan to do a pir sensor controlled street light project

[geoffwade]

Well done, I’m particular your description of fresnel lenses was good.

[eatingplaydoh]

I like how you present things. Many thanks!

[bagasinka]

it's the easiest explanation that I can understand. thank you very much

[TexMexJoe]

Very informative! I have always seen those thumb print ridges on old sealed beam head lights and wondered what they were for. Now I know what they are called, thanks!

[nicholascohen]

Brilliant! All the information I was looking for, and more. Thank you!

[bladder]

Very good and thorough explanation. Very succinct. Thank you.

[husnainrafiq]

I always b waiting for your videos this is very useful for us .
I request to you please make a video on thyristor family like Diac Triac and SCR.
How they work their uses and checking method.

[alexanderd.m.]

This is excellent!
Can you do one video explaining Radial sensors? O microwave sensors, I think this is very important for many users and buyers

[funkykong]

Thank you so much for this video! I've always wondered how these worked and also learned about Fresnel lenses as a bonus!

[MondoLeStraka]

Question. Is it possible to use a PIR in a vehicle for detection of say, the bone density of passenger? The information would be used on airbag deployment. TIA.

[jonlee]

Wow!! outstanding video. Thanks for the detailed explanation.

[StefenM]

Interesting - thank you! Was curious as i've recently installed a security system. Cheers.

[SLIVERGYM]

I've been wondering Can a pir sensor pick up something that is colder then a human body?
Great video thanks for showing!

[gopalpillai]

HI, I will like to get some information, application for High Mast tower, 20mtr tall/ 2500w . PIr or micro wave, which one works better. Also suggest the best brand.

[jerch]

How "hot" or what temperature should it be so that the PIR sensor will detect it?

[mesfinhaftu]

I don't have idea what your co-workers feel you're amazing