Circuit Skills: LED Color Organ
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- เผยแพร่เมื่อ 19 ต.ค. 2010
- blog.makezine.com/archive/2010...
Join Collin as he synchronizes light to sound using the power of analog circuitry - It's disco-tech!
Find more at the Maker Shed: makershed.com - แนวปฏิบัติและการใช้ชีวิต
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This was my first ever electronics circuit 9 years ago... And now I'm doing my electronics engineering final year dissertation
"Let's plug it in"... Famous last words...
I try to make my perf-board projects as pleasing to the eyes like yours but I feel like I will never achieve such greatness...
Yeah, i haven't seen such a perfect circuit in my life.
I really love Collin's videos. Keep on good work Collin!
I bet the music on all of collins lab videos is made by himself on his synthesisers!
Collin man... Your videos are AWESOME. I can't say really why. Most of the time I am memorized till the very end of it, keep up the good work. Cheers!
Thank you again Collin, for another wonderful project.
Now to plan for a few more things, order up some parts, and fire up the Metcal...
I just made this! It works great! Dimsanda, pin 3 is not technically a power input. It's "virtually grounded". The 12 volts should be the only supply voltage.
you certainly do create a neat and organized layout ... excellent !!!
Grate as usual.
The Music the timing to the music
The explanations, the “dry” humor its al here and I love it =)
Never stop making these please
your videos are the only reason I'm subscribed to this channel...
Wow this is awesome! Ive got visions of modifying this to include relays or something and then getting it to switch higher power mains circuits. Made a disco light box a while ago that had 3 mains LED circuits in it powered by an old Christmas light sequencer and some bridge rectifiers. If I could get this to switch some relays or something then I could use it to make it light controlled. Also you could wire a mic into it as well and have it so that when 3.5mm jack is plugged in mic disconnects.
I love this! thanks for showing us how to make a disco organ.
Love the "to the beat" component placement.
I love it when pieces fit in so uniformly, like at 4:53 :)
your video style is absolutely outstandind!!!!!!
wow, i was literally talking to my friend about how he can do this instead of buying speakers with it and now i have something to show him! :)
Thats pretty cool...
First time in a long time makemagazine makes something cool
Another really awesome project. Thanks Collin! :-)
@NikySportsPromotion it's a voltage divider with Vout=Vin/2 and a a voltage follower circuit (acts as a buffer), so you draw no current from the divider, which would make it have a different Vout depending on the current you draw.
just got all the parts cant wait to put it together:)
Liked your style. And you had good soundtracks too!
You, sir or madame, have deserved a damn badge.
This dude was ahead of his time
simply awesome. great video!
Cool episode, I did enjoy it, but didnt really learn much, I wanna learn how to do this. It seems like the ideas are endless with the lights and all. Thanks!
That is one awesome project.
Great project! I like the music too!
Collin is the new KipKay. These vids are awesome.
this is actually a pretty cool project i might attempt this one of these days XD
This guy is the reason I subscribed!!!!
I have no idea what hes talking about but i like watching his videos!
I LOVE THIS, I'M COMPLETELY SOLD, NOW I WANT TO BUILD THIS!
this is awesome .. i love it so much !!!
@supafly377
It just provides 2,5v...
the 2 100k resistors function as a voltage divider.
the Op amp functions as a voltage follower.
Audio signals are alternative, so in reference to 2.5V you get +2.5v and -2.5v.
The 2.5v "virtual ground" goes to the "-" of the 3 Op Amps.
To get a more LED's you need more OpAmp based filters.
Cool video. I made one of these with light bulbs over 20 years ago, back when the Commodore 64 with tape drive was high-tech. A color organ was the only way to get lights to flash back then. /John
@JohnMPed ya, you would probably need an amplifier, but you can find simple ones to build out of just 3904 or 3906 transistors. if you want to go all fancy you can use an op amp
@qstendious You can put an electret microphone at the signal input pins or you can add a preamp w/ a microphone, if you want a wireless color organ
I've had my laptop apart before, I'm sure I could make a condensed version of this with SMT parts and put the LEDs in the frame of the LCD screen
What I might do is etch a huge circuit board to hold a bigger LED display, and use a lot more LEDs. Cool video!
Collin, you sir, are awesome. That is all.
@JohnMPed with the op=amp that there you may be able to use a dynamic mic, but you probably will need another stage of amplification or more gain on the pre-amp section
nicely done
@Catology there's a place out in orange county that sells the old school color bars. they're made by bowman if I recall correctly. google truck and car shop orange county and you should be able to find it in their online catalog
Wow! that was awesome!
this is awesome!!
You basically performed a "Deal with it" the geek way when you said "Safety first"! :D Awesome project!
Hi, please update the link the video description , the current one shows the topic is removed from make website
Got some good tips out of this, thx. Also, those pcb masks on the wall are pretty cool :)
The IC label sticker is a brilliant idea.
It's a half way point between V+ and Ground for the op-amps to use as a reference.
nice project...nice camera work !
finishing one of these projects makes you feel so goo about yourself (i'd imagine cause ive never manag to finish one yet)
Hey guys, just to clear something up...The schematic is not my design. I don't quite know where it came from, but it was modified by me and a few other users of my website over the years. Originally it may have been based on a old and now defunct kit but I don't quite remember as it is 15+ years ago. Either way, I'm glad you found the info useful and glad you enjoyed the project!
Might have to make one of those.
Its connected to the 12V supply
V+ corresponds to the pin of the MC332 (the IC that contains 4 OP's that he used)
Opamps usually require a split power supply. V+, V- and GND. If you want to power an opamp from a single-ended power supply, (say a 12V power supply, or 9V battery), this kind of power source only have V+ and GND. What you can do is create a virtual ground so your 12V SE supply becomes a +6V, -6V... all referenced from a virtual ground. i.e. you split it in half, and the midpoint becomes the new "ground".
this is soooo freakin' nerdy.. I LOVE IT!!
this guy is awesome!!!
that is pretty awesome
just... awesome :) definitely want to make one of these :p
Pure awesome!
@loliver231 first title of the video is CIRCUIT SKILLS...if you don't have any, I think it's normal that you don't understand a thing... well the circuit is based on the operationnal amplifier wich can be used in a lot of different ways, for the rest, google is your best friend!
This guy is the best guy that ever guyed.
Bre Pettis was always my favorite person from Make.
I was doing this years ago with flash light bulbs and stereo receivers and of course speaker wire to pick up the bass feq.
yeah!! cool video! thanks for uploading :)
@xXGorbatschowXx
Yes, thats an alternative symbol. Often used in America.
nice work, I want a kit!
hey, loved your video. can you please provide the parts list for this project and if possible, a print of the schematic. thanks alot.
This guy should have his own channel.
Nice bit of IDM there. Collin used Automaton on the drum beat, wicked little plugin ;)
@23skidoonk THANK YOU! That's just what I wanted but couldn't think of the name. I'm going o do a little dance now.
YOU ARE SO COOL COLLIN!!!!!!
you mentioned using header pins to use a separate off-board display, if you do, would you make a video about that also? 'cause that would be pretty awesome.
I ordered the color organ kit just to save some time but plan to combine the color organ with the Atari Punk console as the input. Eventually, use as a toy for my 3-year-old grandson.
sweet! been looking for one of these, this one is a lot simpler and more effective!!!
although i am gonna replace the 12v transformer for a couple of 9v batteries :P
and gonna put the circuit on my toolbox along with a portable speaker :P
haha, this is perfect! thank you! gonna get one kit
you are my new super hero!
Awsome
!!!
kewl ! .. gonna be my nxt weekend project :D
I am convinced that this guy is an agent.
this is too cool
Hey Great Video!..
Actually i was making one but having a problem deciding the amplification factor!..i mean the Vmax varies with the whole song! So how do i decide the exact voltage amplification??!
OMG I was looking for this kit since 1923. I finally find i. THANKS MAN.THANKS THANKS THANKS THANKS THANKS THANKS THANKS THANKS THANKS ...... I SUBSCRIBE,I LIKE ,I LOVE YOU. MWAAH MWAAH MWAAAH MWWWAAAAAHHHHHHH.
'
wow that cooool with LED lights with sound pulse...
can come with a control dimmer / speeding / volume or not
thats sick !!!
like the video, but adore the music underscoring the building! What's it called?
good stuff
bad ass! :D gotta try to make one ^^
Great Project !! What is the voltage of the power supply?
I love videos from Colin. Makes me miss Bre Pettis though
The treble LEDs flash most. Could you wire it to suppress the treble when the bass is flashing? I think this would give better seperation of the colours.
Hello Colin, thanks for the video, can you tell me if this configuration will power more than the sets of 4 LEDs (I'd like to put 15 or so LEDs in 3 pots and use them to light a stage)
very nice video Collin. I´ve ben looking for something like this to decorate my son room. My question is: Can i put maybe 15 leds for each color ? i know that vcc from transistor don´t support that. but how can i adapt the circuit for that ? Thanx in advance. Keep working !!!
Dope!
This guy is an agent. Hello Mr. Anderson.
U rock man !!!
Circuit Skills FTW!
@danielcarmi305 That is tinned copper wire, not solder.
how can anyone click on thumbs down?
this is very cool
I built a 4-channel color organ back in the mid-60's from plans I found, probably in an Electronics Illustrated magazine. I had to use 7-watt Christmas lamps back then. I experimented with various ways to display the colors. It finally burned itself out and I tossed it...I should have held on to it.