How to make a VU meter

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  • čas přidán 5. 09. 2024
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Komentáře • 152

  • @billytisme
    @billytisme Před 6 lety +25

    How about a Geiger counter? If you haven’t already

  • @bhu1334
    @bhu1334 Před 6 lety +25

    A nuclear fusion reactor with Cody! Boy it's gonna be a hell of a ride

    • @kensrocketry2785
      @kensrocketry2785 Před 6 lety +1

      BHU1 LORD see BennBuilds

    • @sacation6057
      @sacation6057 Před 6 lety

      Yeah amazing, didn't know cody was doing it with keystone, but amazing! My 2 favourite youtubers together on an awesome project, HYPED!

  • @jan_harald
    @jan_harald Před 6 lety +27

    VU meter is *NOT a spectrum analyzer*
    it's literally "volume unit meter" which measures just volume, nothing else
    other than that, great one!

    • @KeystoneScience
      @KeystoneScience  Před 6 lety +7

      But it’s a volume spectrum analyzer in a sense ;)

    • @jan_harald
      @jan_harald Před 6 lety +3

      well, technically yes...
      maybe rename the video to "How to make a volume spectrum analyzer" then?
      :]

  • @jstuyfzand5467
    @jstuyfzand5467 Před 6 lety +30

    Make a shaving apparatus to get that thing off your upper lip :)

    • @KeystoneScience
      @KeystoneScience  Před 6 lety +8

      Hahaha xD

    • @jan_harald
      @jan_harald Před 6 lety +3

      it's called a "stache that needs a lot of time to get anywwhere"

    • @Felisargyle
      @Felisargyle Před 6 lety +5

      No you don’t make that you just THIS VIDEO IS SPONSORED BY DOLLAR SHAVE CLUB

  •  Před 6 lety +24

    You should make a buck/boost converter next. Like if you agree

  • @TannerTech
    @TannerTech Před 6 lety +27

    Wow! That breadboard had sure seen better days. It is pretty burned and melted on the power rails. Haha!

    • @jan_harald
      @jan_harald Před 6 lety +2

      he probably hooked a tesla coil up to it ;)

    • @GnuReligion
      @GnuReligion Před 6 lety +2

      Yes, many of us here have abused a breadboard to hold pins straight while soldering on a perfboard. Can't get get it too hot! The twisted and mangled male DuPont jumpers were also funny. Just can't get them in the holes sometimes!

    • @kakeergodt4609
      @kakeergodt4609 Před 6 lety

      I destroyed my one to

  • @braedanricketts5139
    @braedanricketts5139 Před 6 lety +5

    I die a little inside whenever i hear someone say "PCB board".

    • @KeystoneScience
      @KeystoneScience  Před 6 lety +1

      Fair point

    • @SianaGearz
      @SianaGearz Před 6 lety

      Here's another one for you: LCD display.
      Oh that's not enough? How about... USB bus!
      Still here? OK. SMPS power supply!

  • @Nate.mp4
    @Nate.mp4 Před 6 lety +7

    I love how you do such complicated and lengthy things, yet you stop to remind everyone the polarity of an LED xD. If we aren't going to understand something, that won't be it.

  • @SquidSunday
    @SquidSunday Před 6 lety +6

    The next video better be out before Thursday I have a science project and I need to build a nuclear reactor just kidding I need to build a flashlight

    • @SuperJhon360
      @SuperJhon360 Před 6 lety +1

      Squid Sunday just buy an led and a watch battery boom and when the teacher says that its lazy point out that you made a working light out of 2 components that most people have while everyone else needed more components and that they used components that they had to go out of their way to obtain or to order. so is it lazy or is it genius.

    • @crownofall
      @crownofall Před 6 lety +1

      josh greg
      If you're at home, it's genius.
      if you're at school it's lazy.
      But that's the difference between School in the real world isn't it. Lol

  • @crownofall
    @crownofall Před 6 lety +1

    Welcome back.
    I like these electric vids. I need to learn these things. Been going to like forever, but focus always kept me in other areas

  • @abdoolzaidtoorabally4284

    I remember when I was in high school I designed a vu meter with zenners, looks like fun to try your circuit.

  • @Baigle1
    @Baigle1 Před 6 lety

    Watch out for that fusion reactor. Your shielding material may sponge up, flake apart, and grow in size while gaining some radioactivity.

  • @Ghost572
    @Ghost572 Před 6 lety

    I've just recently seen this JLC PCB company, seems really good to get more involved with PCB and get a professional finish.

  • @lucasbeveridge640
    @lucasbeveridge640 Před 6 lety

    I'm curious about what sort of neutron detector you bought. I'm a grad student in nuclear engineering, and I know those tubes are sometimes not great, are really expensive, or are really *really* expensive (like the 3He ones). Also, if it's a BF3 tube, be careful. They can corrode from the inside and break open unexpectedly, especially if it's old. A couple friends of mine got to spend a day at the hospital because a BF3 tube broke open when they were disconnecting the coax. The building had to be evacuated for a few hours also.

  • @mr.amp0076
    @mr.amp0076 Před 6 lety +2

    I have an idea... Can you make dc to dc isolated power converter.... Did you know about ground looping effect....if any audio amplifier connect with a same supply of Audio source their would be unknown blipping sound.... So make something that isolates power supply... Very fun project...

  • @SnareX
    @SnareX Před 6 lety +1

    Can't wait for the Cody's Lab collab!

  • @rileydowns6005
    @rileydowns6005 Před 6 lety

    excited for the fusion video with cody. always have thought fusion was the ultimate goal for making things at home. I've actually looked into building a smaller reactor with a diffusion pump instead of a turbo pump and around a 3.5-6" diameter spherical chamber, just never have had the money yet.

  • @bobborogers1689
    @bobborogers1689 Před 6 lety

    Instead of using 2 LM324s, couldn’t you use just one LM3914? Wouldn’t this be more cost effective and add more perks (like brightness control)?

  • @huibvanderveur3015
    @huibvanderveur3015 Před 6 lety

    Haha, really looking like a seriously looking professor with that mustache

  • @emporertorvus4475
    @emporertorvus4475 Před 6 lety

    Do you have any idea how to make a passive analog audio delay circuit? If so please show me where I find that information.

  • @JeanRomainRoy
    @JeanRomainRoy Před 6 lety

    Keystone, just a heads up about your fusion project. Id say the hardest aspect of making one is sustaining the very low vacuum. So invest from the start in a good pump.

  • @dhivan
    @dhivan Před 6 lety

    Favourite CZcams channel ever!

  • @Nate.mp4
    @Nate.mp4 Před 6 lety +7

    You went from a 12 year old boy to 1 30 year old man... how long have you been gone?!

  • @reggiep75
    @reggiep75 Před 6 lety

    6:09 - BREADBOARD DAMAGE!!
    The mark of a true conflicted madman.

  • @francishosey551
    @francishosey551 Před 6 lety

    Hey I had questions about making my own wind turbine that would make DC power. How shld I orientate the magnets and the wires!?!?

  • @SuperJhon360
    @SuperJhon360 Před 6 lety

    Doesn't grey PVC have carbon in it if so your not winding a secondary your winding a resistor and it will heat up (never use black PVC neither).

  • @rodrigo_dm
    @rodrigo_dm Před 6 lety

    LOOK WHOS BACK!!

  • @vedantmomaya1533
    @vedantmomaya1533 Před 6 lety

    Wow neutron detector that's something new!!! Gr8 bro

  • @Justin-eb4vy
    @Justin-eb4vy Před 6 lety

    How did you get into making all these electronic project, and how can I get into doing it?

  • @ExStaticBass
    @ExStaticBass Před 6 lety

    Personally I'd love to see some experiments on the effects of electrical plasma on various fluids. I've done a few myself and found the reaction to be somewhat explosive and entertaining. As i don't currently have the ability to produce videos and it seems to be something you'd be able to do I thought I'd suggest it.

  • @godashin1830
    @godashin1830 Před 6 lety

    Can you make a flyback driver from a transistor and a resistor only...

  • @fickfehler3866
    @fickfehler3866 Před 2 lety

    Can you educate me pls... if a tape machine's dB VU meter is 1200 ohms, and it's replaced with a 600 ohm dB VU meter - how will this affect the way the meter operates ? Is 600 ohm impedance meter more sensitive than 1200 ohms meter ? Much thanks !!!

  • @Zman2024
    @Zman2024 Před 6 lety

    Keystone Science is the Tesla coil circuit a spark gap type or other? If it's a sgtc what are you going to use as the power supply?
    Plz respond. Hoping to make my own some day

  • @ericsettineri6315
    @ericsettineri6315 Před 5 lety

    Would I be able to use a electrit condenser mic on this, would it change the circuit?

  • @brianclemensen3313
    @brianclemensen3313 Před 6 lety

    Love the melted hole in the breadboard at 5:32 😂

  • @themasterofthings8020
    @themasterofthings8020 Před 6 lety

    please make a video showing us how to make the circuit on a software

  • @beachboardfan9544
    @beachboardfan9544 Před 6 lety

    Yea neutron counter!!! cant wait for that

  • @SianaGearz
    @SianaGearz Před 6 lety

    It's so finicky to adjust and doesn't have quite enough movement because you made the divisions linear. It would help to make them exponential. You don't need a lot of resistor values to make exponential divisions, you can do for example R/2R resistor ladder to produce reference voltages.
    Oh, to go with it, you might want an exponential regulator for the input too... well... you can bias a linear potentiometer to get eerily close, and better than logarithmic pots that you can actually buy. Look at "Better Volume Controls" on Rod Eliott's website. Of course it needs to go into a high impedance input, so this is not a universally applicable hack.

  • @MrSoulBack
    @MrSoulBack Před 6 lety

    Does the lm324 have a protection against negative voltage? You powered it with +3V so it should in theory break after some time because it reaches an input signal lower than 0V

  • @DoYouLikeMyNameDude
    @DoYouLikeMyNameDude Před 6 lety

    That is a really hacky way of driving the LEDs. I find driving them with a transistor is far easier and more effective. I am guessing that is why you had several extra LEDs on the breadboarded version; some were staying on and some were not getting power and you had to trial and error it.
    Connect the base of a PNP to the comparator output, emitter to V+, and collector to your LED.
    I have a really crappy video on my channel that shows me driving LEDs via transistor. It is a 3-bit FSM.
    Anyway cool video. I will probably try it over the weekend.

  • @jasonbaker541
    @jasonbaker541 Před 6 lety +6

    Mustache is coming in nicely sir!

  • @kalyangautam7345
    @kalyangautam7345 Před 4 lety

    Is there any idea for dot style not graph style

  • @Centuries_of_Nope
    @Centuries_of_Nope Před 6 lety

    I remember trying to make some with LM3915 in early college. With the aux port, it came out pretty good, but it was early college. Shit was as fragile as an apple product.

  • @filmlee5572
    @filmlee5572 Před 6 lety

    I think you should make a static electricity detector, its quite easy to make and pretty fun.

  • @lukewilliams8548
    @lukewilliams8548 Před 6 lety

    Please do an episode about designing a PCB.

  • @kenshiromilesvt.7037
    @kenshiromilesvt.7037 Před 6 lety

    You should make a Van De Graaff generator!

  • @larsissism
    @larsissism Před 6 lety

    Very cool! Can you just as easily make a Spectrum Analyzer??! :D

  • @gardenguy357
    @gardenguy357 Před 6 lety

    2:30 waitwaitwait
    you two are making a fusor reactor?

  • @greensocket3583
    @greensocket3583 Před 6 lety

    Pls make the video for making the PCB inn a software

  • @ElectricPointOfficial
    @ElectricPointOfficial Před 6 lety

    Nice !

  • @keelerdr
    @keelerdr Před 6 lety

    YES! Thanks for this video, love it

  • @krzysztofsoja5301
    @krzysztofsoja5301 Před 6 lety

    Thanks for the video. Much easier way to make VU meter is to use ladder of diodes (type/amout depends on input voltage and resolution) and a bunch of transitors. Of course your design is much more flexible, and overall more professional.

  • @baqcasanke
    @baqcasanke Před 6 lety

    (Regarding the 'stach) i did the same thing my freshman year brother. Keep it up! Let it grow don't listen to the haters.

  • @masonp1314
    @masonp1314 Před 6 lety

    Could they make a referral link, so you get something as well whenever people buy things?

  • @vertox4837
    @vertox4837 Před 6 lety

    Wow I will wait for that great nuclear reactor video!

  • @ScienceByMike
    @ScienceByMike Před 6 lety

    What efficiency are you and Cody hoping to get on the fission reactor

  • @khash-ochirsod-ochir6492

    yo where is the PCB design videos? cool pcb design videos pls ? love your contents

  • @ericsettineri6315
    @ericsettineri6315 Před 5 lety

    Yes make a jlcpcb video I just made a running led PCb board

  • @ranjansharma7701
    @ranjansharma7701 Před 6 lety

    Make a basics video on comparator

  • @Strikershar
    @Strikershar Před 6 lety

    01:05 is why I watch this.

  • @charlesmartin1972
    @charlesmartin1972 Před 5 lety

    When you say fusion reactor, are you talking an electrostatic fusor? Because I think you can do better than that

  • @orionmyers9546
    @orionmyers9546 Před 6 lety

    Fusion reactor!?!Notifications turned on!

  • @Stuff_said_
    @Stuff_said_ Před 5 lety

    Hey thank you for supporting Cody’s lad you may want to message him he seem off

  • @michaelsamir4723
    @michaelsamir4723 Před 6 lety

    Can you please make a video how to make (arc attack )'s musical tesla coil

  • @orionmyers9546
    @orionmyers9546 Před 6 lety

    Can you make a video of microwaveing a running Tesla coil

  • @pktesla
    @pktesla Před 6 lety

    Is a nice explaination to show how it's done, but the PCB demo is SUPER short and under weird angle AND lit up. NOW a catch: show us how to make NON-digital VU work. maybe add a few diodes to light the thing up, but overall just show how retro tech like this works.

  • @ViiKing_
    @ViiKing_ Před 6 lety

    what a handsome mustache, sir

  • @cesarin159x
    @cesarin159x Před 6 lety

    Very clean pcb build!! On my way to shop 😏

  • @erdem--
    @erdem-- Před 6 lety

    After fusion reactor. Make fission reactor.

  • @devttyUSB0
    @devttyUSB0 Před 6 lety

    Great vid! Enjoyed it!

  • @OverUnity7734
    @OverUnity7734 Před 6 lety

    As laser light is electromagnetic radiation, would a magnetic field be able to "steer" it ?

    • @KeystoneScience
      @KeystoneScience  Před 6 lety +1

      I would like to think so, at least very very slightly, under the traditional sense of light, it has an oscillating magnetic field, so you would expect a magnet to make the light waver to and fro with every oscillation, but I have never seen an experiment showing this, it is an experiment I would like to try, because while I’ve been gone I have been working on formulas describing light as basically and very small 2 component object, and with my formulas, light is constantly neutral because the 2 components have equal and opposite charge ( so basically the electric field is always neutral, and the magnetic field is always neutral )... sorry I went on a bit of a tangent, light really gets me exited... in short, I’m not sure, my intuition tells me that light does not respond in a noticeable way to charge, or magnetic fields, but I think that is yet to be tested ( if your curious, my version of light has 2 particles at a charge of ±(plank charge)*√2, or at least that’s what my math tells me.

    • @OverUnity7734
      @OverUnity7734 Před 6 lety

      That sounds a lot like "time crystals"
      news.berkeley.edu/2017/01/26/scientists-unveil-new-form-of-matter-time-crystals/
      Did you plagiarize ? :)

    • @KeystoneScience
      @KeystoneScience  Před 6 lety +1

      Haha nah I didn’t plagiarize, I’ll read up on that though!

    • @KeystoneScience
      @KeystoneScience  Před 6 lety +1

      Yeah, time crystals are not what I am describing, I’m trying to figure out what makes up a photon

  • @oshinwane6902
    @oshinwane6902 Před 6 lety

    what uni degree do u have sir?

  • @ash0787
    @ash0787 Před 4 lety

    I know what you mean keystone... about the Tesla coil. I think you could fix it with something called Corona Dope.

  • @Piocoto123
    @Piocoto123 Před 6 lety

    I am so looking forward for the nuclear reactor

  • @daveshakibanasab7992
    @daveshakibanasab7992 Před 6 lety

    Do a co-lab with Electro boom

  • @babomb2146
    @babomb2146 Před 6 lety

    Anyone else think it was a typo for uv?

  • @juzerchallawala8537
    @juzerchallawala8537 Před 6 lety +1

    what kind of engineer are you electrical or electronic plz ans me,i need to decide my future on that.

  • @dhivan
    @dhivan Před 6 lety

    So just like the comparator in minecraft

  • @armanhossain2491
    @armanhossain2491 Před 6 lety

    After a long time!!!!!!!!!!!!!!!!!!

  • @arthurdent5536
    @arthurdent5536 Před 6 lety

    So I was interested in this topic until you started talking about the fusion reactor... that's way more interesting, please make it happen soon 👍

  • @the-sassy-blacksmith7594

    Ooo so ur gonna be messing with radiation soon?
    Can u make a giger counter ?
    (No clue if i spelled gyger,gigar,guyger, gieger, right..)
    Ps . Diggin the stache good sir

  • @colonelbastian6036
    @colonelbastian6036 Před 6 lety

    theres an 8 bit micro in every resistors...

  • @adam79634
    @adam79634 Před 6 lety +4

    You need to practice smd soldering

  • @snowtiger1471
    @snowtiger1471 Před 5 lety

    How to Make a neutron gun

  • @humanfrommars5832
    @humanfrommars5832 Před 5 lety

    U are best

  • @streamware7746
    @streamware7746 Před 5 lety

    If you love Science and Exploring or even need help Join Our Discord Server: discord.gg/jDCfqey

  • @unusualfabrication9937

    XRAY????

  • @ivinzabriskie7560
    @ivinzabriskie7560 Před 6 lety

    You could be the son of Cody’s lab (Cody Dawn). Who knows?

    • @BenQuigley
      @BenQuigley Před 6 lety

      Ivin Zabriskie do your mean, Cody-Don?

  • @gouravdas6321
    @gouravdas6321 Před 6 lety

    Love from India♥

  • @unusualfabrication9937

    A NUCLEAR WHAT????!??!?!?!!!?!?!?!

  • @spandandutta2485
    @spandandutta2485 Před 6 lety

    A nuclear fussion reacter😱😱😱😱😱!!!

  • @infatrump1
    @infatrump1 Před 6 lety

    Thermal detection

  • @RockingScience
    @RockingScience Před 6 lety

    Hey if you're not busy then can I challenge you in my next video if yes it will most probably be about making a super capacitor

    • @dryaldibread2327
      @dryaldibread2327 Před 6 lety

      Rocking Science you cant make a supercapacitor by yourself unless you have the right equipment. And I can ensure you that it is so much cheeper to just buy them.

    • @RockingScience
      @RockingScience Před 6 lety

      Blabla Blabla no I asked keystone if I could challenge him to make something from my channel like two months ago I really don't know if he would reply now

  • @Lizziedraper
    @Lizziedraper Před 6 lety

    You look 10 years older and I don't know why, You're great tho even if you look 30 in this video!

  • @georgevavouras
    @georgevavouras Před 6 lety

    Yay!!😂😂

  • @bobthebuilder1479
    @bobthebuilder1479 Před 6 lety

    made a rail gun

  • @danielmueller8974
    @danielmueller8974 Před 6 lety

    Hey Nate! I sent you a letter in the mail! Mine was the one with the wax seal of my logo. I am a guy about to launch the full scale premier of my new channel. We have an office, an editor and animator, and we are about to get right into it! I would love to be able to have your input and perhaps work with you! Make sure to see that letter!
    Anyways! Have a wonderful day
    -Daniel

  • @guitarguy3688
    @guitarguy3688 Před 6 lety

    At last after so many months you uploaded a video i thought that you were not gonna upload any video so i was going to unsubscribe you but not now

  • @Sluggernaut
    @Sluggernaut Před 6 lety

    Nice trash stache. All i had was a creeper goatee until i was 30...

  • @BassheadMusicConnoisseur

    Autorouter was used lol