The Science and Circuitry of DIY LEDs

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23.07.2017
Filmmaker IQ

Filmmaker IQ

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Please consider supporting us on Patreon: 🤍🤍patreon.com/FilmmakerIQ Check out the full course along with bonus material, sauce, and links to LED supplies: 🤍filmmakeriq.com/courses/science-circuitry-diy-leds/ ‎ It's the latest tech in efficient lighting - but how do LEDs work? We'll dive into the science and engineering of LEDs as well as the basic concepts on how to wire up simple DIY LED circuits which you can use for practical lighting and special effects on your films. If you have any further questions - check out our questions page: 🤍filmmakeriq.com/balcony_categories/questions/

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The Science and Circuitry of DIY LEDs
The Science and Circuitry of DIY LEDs
The Science and Circuitry of DIY LEDs
The Science and Circuitry of DIY LEDs
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Комментарии пользователей:
Farid Hajji
2021-05-28 23:30:47

My favorite trick with LEDs is to point an IR remote to a camera, and see if the camera sensor picks up the IR light and makes it visible, which is very common with some IR wavelengths and sensors. Having such a sensor is a godsend sometimes. When patching fiber optics cables carrying IR light, I actually used my smartphone camera many times as an improvised detector to determine if a fiber is "hot" (connected at the other side). Of course, this only applies to regular IR LEDs used on multimode fibers. If it was IR laser light common on single mode fibers, I'd be much, MUCH more careful, obviously.

SUPPORTLANG
2020-11-01 05:23:29

Yow this is Good for Module LED best Explain

Madness832
2019-12-30 02:03:52

"...a large can of baked beans..." So, I take it that you gave yourself serious gas, all in the name of science? :D

Yelis
2019-10-14 05:27:43

There is something that confuses me: The + and - convention. I am used to connect battery (+) then resistor, then LED, then battery (-). If you see the video in Z0IFq1t2csY&t=10m05s 10:05 the drawing shows first (+), then LED, then resistor and finally (-). I am pretty sure I would burn my LED if I do it that way ... But not sure, now I am confused!

videolabguy
2019-04-07 05:19:26

GREAT video!!! As usual. Fired up my first LED in 1974. Have used them, nearly daily, ever since. Yesterday, I used a surplus LCD back light to illuminate a 3D printed lithophane to decorate my latest project, "The Chief".
labguysworld.com/TheChief_097.jpg labguysworld.com/TheChief_097.jpg
Warning! I also make truly bad videos about very cool video thingeys! Usually antiques. Indian Head vacuum tube TV test pattern generator anyone? The project playlist for that is located here: youtube.com/playlist?list=PLM7dK_iX6N4h3D901Huv-rVWB8nw9lRi_ youtube.com/playlist?list=PLM7dK_iX6N4h3D901Huv-rVWB8nw9lRi_

Kennynva KE4HVE
2019-03-19 17:01:03

They are also in the backlight in a laptop and TV...to light up the screen so you can see it..........

Kennynva KE4HVE
2019-03-19 16:57:36

PMW is pulse width MODULATION....just picking...nice work here...

Kennynva KE4HVE
2019-03-19 16:50:59

What if you dont know the MA hours in using the online calculator???

Kennynva KE4HVE
2019-03-19 16:49:38

Yes, current(MA) or (AMPS) absolutely has to be right..or the LED will smoke...and that means to get the current right you HAVE to have a resistor inline...or it(the LED) will burn up.....and there are limits to the current also...by this I mean...if a 3 volt diode will use say a 1k resistor...at 50ma....you cant run the diode at say 50 volts with a larger resistor...it will smoke...That always confused me...I would say "oh I have a higher voltage and want to use an LED...so I can use a larger resistor...and NOPE ....it will burn up the resistor.....

Mohsen Kazemi
2019-01-13 06:10:18

Thanks for the video. It's very useful even for engineers.
PWM stands for Pulse Width Modulation and with an appropriate capacitor parallel at the end there would be no blinking.

Tim Beaton
2018-10-01 07:38:04

Strictly speaking, the animation of electrons "flowing" round the circuit isn't actually happening. the CHARGE is transferred at the speed of the propagation in the conductor, the actual electrons only move a short distance before passing on their energy to other elections. The average speed of the electron movement is called the Drift Velocity and is counter-intuitively really slow!
See scienceabc.com/nature/what-is-the-speed-of-electricity.html scienceabc.com/nature/what-is-the-speed-of-electricity.html

But this doesn't invalidate what you are saying, of course, it just means that, once again, the reality is more complicated, but not strictly necessary to explain the concepts. Great channel, BTW.

Ruby Show
2018-06-19 18:39:13

my was the 666. like 3:D

Jass&OtherStuff
2018-05-18 15:26:15

I love the squirt sound when the electron drops in energy.

Dan Tong
2018-04-25 02:39:55

Great Stuff - beautifully explained.

Thanks ! ! ! ! !

Jake Clontz
2018-02-27 21:03:11

You are a genius. Really loved this one.

Devendra Patel
2018-01-29 12:44:42

Let's make 100th comment

Mychal Simmons
2017-12-17 00:36:21

That was Deep Jon

Quinn Arlington Waters
2017-11-18 23:01:25

thank you John Hess, this was great!!!!

ProCactus
2017-10-31 10:08:30

The current limiting resistor can be anywhere in a serial circuit.
And PWM = Pulse Width Modulation, not Modifier

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