How to transfer Music through Light

[@AnilArya51]

In my KZbin's algorithm sucks, Channels like Keystone Science should be reaching more people

[@j2B397]

This is what I want to see all the time.

[@TommyCallaway]

Great work man. People should show this video to anyone who wonders about how fiber optics work.

[@KeystoneScience]

+Tommy Callaway thank you! :D

[@ryan382]

yea it displays the ability to do so wirelessly. Creating an attack vector.

[@ammadjendull2215]

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[@chaseissosa-therandomstuff1555]

Dude seriously the stuff you make is epic. The little project you made today was breathtaking because I had no idea that would work

[@SmokeyDope]

Hey, Nate, you're one of my favorite KZbinrs, not only are your videos fun and educational, a majority of the things you present are interconnected and builds off each other to showcase just how different ideas can join together (apparently tone generators can make anything if you wire it right). Its no wonder your channel grew so significantly so shortly, you don't use any cheap tricks or click bait or otherwise just good old fashioned science projects that engage the viewer because they are presented in ways that anyone can approach. (Also just between you and me you helped me with ideas for my senior project in EME which im very grateful for). i know downright that you'll shoot straight past that 100,000 sub mark right into the million subs, keep up the good work!

[@KeystoneScience]

+Thomas The Dank Engine haha I'm glad I could help xD, also thank you sooo much for your comment! It means quite a bit to me!

[@55Ramius]

In 1972 while in high school, I took a car radio on the bench and connected a tail light bulb to it. The radio had enough power to make it glow decent . Then I took a cassette tape recorder and a solar cell connected to mic input. I could clearly hear the music from a max distance of about 15 feet. Later I used lasers and photoresistors. Did not have to build a amp circuit, just used the recorder. Fun stuff to play with.

[@user-pi3fh9cp5m]

Reminds me of Ben Builds. Love this channel, decent depth of information too. Pretty humbling that someone so young grasps so much. Respect man, subscribed.

[@felipelins12]

your channel deserves more views! you are awesome man! A lot of really clever projects!!! best regards from Brazil

[@BenBelanger4]

Great project! It has something that a lot of these channels lack, originality. Keep up the good work.

[@KeystoneScience]

+Ben Belanger thank you!! :D

[@boekster7108]

Literally putting what I'm learning in my physics class (light waves), and electronics class (555 timer) to make this! This is so cool!! It's also funny because I've been subscribed for a while and my dad showed me an article (I think it was from ksl) about you and I told him I've known about your channel for a while! We used to live in Utah but moved to California a couple years ago. My dad likes to see what's going on in Utah and still has ksl on his phone. 😂

[@KeystoneScience]

+Boekster Cubing haha awesome! Yeah I'm from Utah xD also thank you so much!!

[@checkingthetoob]

love your channel! Can't wait to do these projects with my son (9 months old) when he's a little older lol. Very well explained, thank you! 👍

[@darwinmendoza2541]

mad explanation, so many other people leave the intuition out of the physics involved. thanks for the video!

[@sheldonwilliamshalladay6868]

amazing absolutely outstanding. I love watching your videos i have watched a lot of them. Very informative young man. May i please ask something or Suggest if i could. I hope it okay and that you don't mind. There are people out there that will yes most certain that will be able to pick up and understand what you are saying, But for the ones like me I have to watch the videos over and over or stop it and rewind all the time. Because i am making these and i find that you are a very good speaker. but a little fast. Like i mean fast. Its incredible really. Thank you for takiing the time to make these videos. My son and I appreciate it as well as many others i'm sure. Have a good day. Namaste

[@zubmit700]

Love your channel. Very informative.

[@bournsted4512]

that is wat way awesome thing than anything on KZbin..... it's dope.. dude that is mind blowing. man I'm ur fan. Plus I liked the video and I'm already a subscriber

[@weekendfinder]

Great.... your simple videos helps to think a lot of these cool concepts

Reminds me when I was a kid and did this with an AM modulated IR diode and a lens... the receiver was a photodiode and a high impedance headphone. Man it felt awesome to send a signal across the yard with light...

[@BUSTERmetalJP]

damn,this channel deserve more views!nice stuff on here

[@timma3000]

another great project. I love your video's Keystone Science, keep up the awesome work

[@dustinlloyd3783]

This channel is pretty awesome; keep up the great work!

[@javennickell3659]

i just got to say your smart as hell dude love the channel keep it up

[@peterc07]

It probably work pretty well i like your projects dude!

[@TheCrystalxy]

Do you think you could do this with a laser diode instead of a regular LED?

[@spartan456]

You could do this with any light source that you can alter the amount of voltage with.

[@theLuigiFan0007Productions]

PWM at a very high frequency with a laser would be the best way to do it. Say, a 1MHz PWM signal feeding a laser. To be honest you could use the 10Bit ADC and PWM channels on an Arduino to do all the hard work for you. Just be sure the music is to the level where it maxes out, but dosen't clip, the input. On the receiving side, you'd just need a ceramic cap of the right value in parallel with the output of the phototransistor or whatever you used as a light sensor, to convert the PWM back to varying voltage.

[@brianhutchins95]

spartan456 however I would use a heatsink for the diode to keep the heat to a minimum seeing as the laser would be on for hours at a time, and in turn could shorten the life span, or get too hot and burn out.

[@atharvahampiholi300]

What is the display like device that you are using to show the forward voltage of LED. I mean that one with the LCD screen. I also noted that you used the same in some of your other videos too..

[@corrosivecopper]

Absolutely awesome project and awesome idea!! Amazing results!

[@derivativ3]

After using IRFP260Ns to manhandle the primary of a flyback transformer, I laughed when you used it to drive LEDs Good stuff, cheers :)

[@davegtar]

Essentially making your own li-fi. easy. Nicely explained.

[@athp]

Thanks for taking my idea into account with the circuits and processor.

[@knice7359]

That was very cool, and you explained it in a way that I understood you.Thanks for the video.

[@masoudhosseinzade9621]

it reminded me of Graham Bell's telephone both with the water and light! it was neat! thanks

[@Djob9601]

extremely cool! you could extend the functionality of this through using software such as MMSSTV to convert images to sound and then output this sound through a the LEDS - therefore sending files over LiFi

[@oo3962]

do you think you can go through the making of a light chaser ??? as in when led's go off during the bass in a song . THANKS VERY EDUCATIONAL !!!

[@spartan456]

This is one of the coolest channels I've seen, so glad I subbed to you awhile back. Would it be possible to scale something like this up to use a big honkin space laser that can bounce off of the troposphere and hit a finely-tuned receiver on the other side of the world? Or maybe reflect off of geosynchronous satellites? I'm sure at some point there are diminishing returns with driving up the carrier frequency. Kind of makes me wonder if something like that would be possible, because that would be a really awesome way of creating worldwide communications without much of an orbital or even terrestrial infrastructure. Sending messages from across the world by just pointing a laser at the sky, no need to worry if the Internet infrastructure goes away.

[@KeystoneScience]

+spartan456 yeah it should be possible! I thought it would be cool to use an laser, or an X-ray emitter to send the data from places like Mars back to earth, the much higher energy beams would be able to get through the atmospheres with little interference, and we could get much more amount of data within each signal , also thank you so much! :D

[@dancoulson6579]

When using LED's to transmit data, you should avoid using white ones... The phosphor continues to glow for a short while after power is cut from the chip. At a high enough frequency, this 'blurrs' the flashes into a continuous light. Red ones would have been a better choice, and they're cheaper too. Just something to consider in future :)

[@pg2116]

You are really doing the things which I wanna do from my childhood

[@MrFatjonable]

I did a time ago a project like this one, I only used a transformer laser and phone signal Then i added a small 3 watt amplifier to amplify the signal on one side of transformer, and in other side i connected in series, laser it's batteries and transformer! It transmits extremely beautiful clear sound!

[@LucasGarrow]

Great experiment and explanation!

[@project-unifiedfreepeoples]

Thank you for sharing your wisdom, this is amazing!

[@qownson4410]

If you could make a circuit without batteries or wires, only diodes, and semi conductors to transmit information and power that would be incredible. EDIT: You explain this so well. As I have always said, a truly intelligent individual or someone who truly understands, can explain things/anything well, and someone not as smart can only do what they can and explain things poorly.

[@03ai_ey]

How would one modulate the light to produce an effect like a phaser or something along those lines? Any ideas. My first thought was a color filter lens but I'm not sure that it works like that

[@noyes6599]

Awesome vid dude, keep it up!

[@JoshStLouis314]

I did this once as well, but with a laser diode in place of the LEDs, allowing for a DC bias instead of a carrier wave. The audio signal was overlayed on the constant current supply by a small audio transformer.

[@anmoldeepbhullar2974]

This is the best! keep up the good work.

[@Huplamm]

dude,this was awesome...i just wondered how awesome it could be if internet data can be transmitted through laser

[@horusbay]

Amir cool like Li-Fi?

[@eduardoavila646]

Optic fibre does that... I have it here, 100mb/s download speed plan.

[@holyknight51]

could you use a laser instead of led's? and a smaller solar panel to catch that laser?

[@gujarisantamanyugmai]

Really great project dude.

[@BrandonYates]

Loving the science I'm learning here. Has anyone told you that you look strikingly like Dr. Horrible?

[@KeystoneScience]

+Yates thanks! And yeah, I've gotten quite a few comments telling me that, I had to look it up, but I see he has the same googles as me xD

[@bobborogers1689]

Can you substitute a BJT NPN transistor for the MOSFET since it is just used as a switch?

[@sidallanson4569]

I love your videos dude there awesome to watch! they have actually inspired me to make some of my own stuff :) iv actually made a mini induction coil that's powered by a laptop charger

[@sidallanson4569]

nice ring by the way ;)

[@CyberScoutX1]

Sorcerer )) Amazing video, love this channel !

[@ethanbaylis5204]

I just found your channel and I love it just subbed ❤️

[@TheNadude]

it would be awesome if you did like a run through video of all the basics

[@pfabiszewski]

Great, what's the name of the generator app on the phone?

[@greenthizzle4]

keystone science, you need to look into variable capacitors.. I notice you have alot of projects where you like to change values.

[@ShafiqAhmedVlogs]

Sir please tell me which music u use in ur intro

[@bro_leo]

I only make this using a single mosfet transistor, 2 resistor and 1 capacitor, it works as well. no need the 555 timer IC.

[@srinathsathyanath7435]

Can we use a photo diode to receive rather than solar panel?

[@iMOSKUL]

can you give me a link where I can buy all the materials?

[@ckisley]

I love this channel

[@mczensun8610]

Your channel is awesome

[@ivanrodionov9724]

first! Good project by the way! Why did you modulate the audio into a wierd freuqency and then into the LEDS? why not modulate it directly?

[@Perktube1]

Ivan R yes, why use a carrier frequency if light is transmitting the audio?

[@ivanrodionov9724]

I know! I made a very similar circuit and i just modulated the light directly!

[@KeystoneScience]

Ivan R to be honest the main reason for it was to try and show how regular data transmission through radio waves work, I just thought this would be a fun way to do it :D also thank you!!

[@ivanrodionov9724]

+Keystone Science It is a good illustration of the concept. Still, I would use a different circuit to modulate the waveform, like a modulated inverting transistor driver that will be between the output of the 555 timer and the gate of the mosfet. Also, what you could try doing is an FM broadcast using a capacitor microphone with a 555 timer in parallel with a constraining capacitor to limit the frequency swings.

[@bfranger5938]

where did you learn how to do all these thing?

[@huguesmassin8903]

So..., from a lighthouse you could send a live concert on maaaany stages at the same time on a area equivalent to the range of the beams ? Niiiiiiice... Futur might be good...

[@john79926]

Could you do the same thing with a laser diode

[@Goodiebags4all]

Awesome man. Mind blown

[@cornflake6964]

I've learned a lot from your videos thank you !!

[@KeystoneScience]

+corn flake no problem! Thank you for watching!

[@Hanzomo]

Is this the same as Optical Audio on a pc/tv/speaker ?

[@leberkassemmel]

No. Optical Audio is a digital signal, but this is just the analog audio modulated on top of that square wave.

[@capri2wd]

Similar principle but optical is a digital signal instead of analog.

[@oldman6172]

great as is visible I am old but love this will take a while but will use this to my home network for data.

[@johnf.kennedy8108]

If u make a fusion reactor with Cody that would be pretty awesome I saw ur comment on codys channel

[@ViiKing_]

You're a pure genius!

[@KeystoneScience]

+Arg0n haha I pretend to be atleast xD thanks !

[@ViiKing_]

I feel honoured having my comment answered by you 😆

[@johnniewalker6236]

awesome work,meanwhile i understand u fast speaking genius :) greetings from germany

[@phonotical]

Could you do that with infrared

[@CrazyKsie]

Wow so cool. Love your channel

[@humboldtoregonian9400]

What if the tone generator was hooked up to an amplifier; and what if, the amp was hooked to a ballast from some lights; furthermore what if, you used a coil rate equal to the frequency out put of the tone generator? Couldn't you run a frequency above 2 gigahertz and have a long range EMP device; and moreover, wouldn't the higher frequency give a further range with more destructive properties using way less overall power? And perhaps it would make for a grate video... of course keeping in mind the spark gap and the Hight Voltage compositors....

[@Ace-tl5tw]

Great video, can you send me a link to get the schematics

[@JesseRyan]

you think it would be possible to focus the light input to only decode light from, lets just say, a single flickering star at night ?

[@theLuigiFan0007Productions]

Yes, definitely. You'd want to use a phototransistor instead of a solar cell though. And have the lens focused absolutely perfectly. You'd essentially be building a 1 pixel analog camera, and listening to the output.

[@JesseRyan]

thanks for the reply friend. i wonder what the stars are singing about.

[@nedos7847]

Could this also work with lasers?

[@nitleshify]

Absolutly genius, thanks.

[@mohammedibrahim-lg3ck]

Could you make a go kart , and describe the components

[@mel-rm2kc]

Can we use a 12V solar panel

[@JackOfAllTradesThe]

love your videos

[@darkus2015]

You finally got me to subscribe. Dude, I saw this video and instantly thought. Send secret messages using laser diodes. Bounce that bad boy on the moon and get real wild 😁

[@Wilder941]

That was amazing!!

[@ryan382]

People are natural antenna can you make people hear voices?

[@walterbunn280]

Don't use a photovoltaic cell. Use a reversed biased LED. PV cells aren't discriminating and they mash things together. A reversed bias LED array has more bandwidth, is less prone to noise, and is actually faster at signal processing by an order of magnitude (although i doubt anyone is making a light transmitter that needs nano second response stuff) In order to use a LED in reverse bias, your receiving LED(s) are going to need to be amplified. I suggest using three transistors connected in parallel to ground but in series by gate to one another. This amplifies the signal by the transistor's respective gain (MAKE does a non contact voltage detector that uses the principle brilliantly.). PV cells can be used without amplification, but they convert all types of light, even types that aren't transmitting data, to signal. This fundamentally limits the distance the receiver can be from the emitter and means that they have a narrower bandwidth for data transmission. In effect, a pv cell would see all light as a single data stream, while a LED array would see each color as a data stream. For LED's Color is loosely defined as light separated by 100 nm wavelengths as a minimum, but i've heard that LED's can actually distinguish between colors as closely as 50 nm wavelength apart, which most humans would not see the difference between those two colors.

[@piyushsoni886]

you are awesome dude.

[@guitarguy3688]

Can i use IRFZ44 MOSFET

[@George-ls7dd]

Fantastic.

[@pvakharwala32]

thank you...got my college project idea

[@ashkat64]

Awesome! DIY LI-FI!

[@tomosaki4310]

Make a video on how to wind your very own heigh voltage transformer!

[@ericklopes4046]

Oh my motherfucking gods and godesses I fucking love you. I'm an electronic technician, I only work with maintenance but you are awakening a deep theoretical and experimental interest inside me. Thank you very much.

[@Phil-mt1ql]

Super cool. Bill Nye without the cornfield.

[@brightbaelfire7232]

How much could you lower the led's light, but to still transmit data?

[@sompka1]

you could keep boosting the amplifiers power but you'll get more and more background noise exponentially.

[@jayanthinraju8661]

That's Awesome!!

[@Falltangle]

yesssssss this is the best!

[@coletaylor9778]

Very cool video

[@electronics3992]

works perfectly !!I used irf740 , works with LEDs and with 3v red laser ! but when I use laser I must use amp for speaker I will try to transfer music with laser from my house to small hill (500m)!!! thx

[@vbsurferr]

This is so cool. I suppose this is how LiFi works?

[@vonneely1977]

Why am I reminded of the klaks towers from Discworld?

[@LawrenceDuffy477]

That was excellent !!!!!