Giant Big Blue DJ Audio Spectrum Analyzer With Tupac Rap Music

[Dperez07]

what did you use to actually construct the display case itself, not the leds or driver? how did you separate the individual light cells and what material is the outer screen?

[mutewit]

What did you use for the display array? Thinking of making an analyzer myself I initially planned to use LED bars behind a screen of sorts but this looks much better.

[sliferion]

soo... how much are we talking about? :D

[tinyzero74]

Greetings from Denmark

where to buy this kit for the audio analyzer ?

I cant find them on ebay or on the internet ; please help

:o)

[ferdous321]

nice music

[Vocoder07]

awesome!!!!

[derrick1051]

I bought this kit for a fun project to build one day and never even took it out of the bubble wrap. It comes with all instructions but I really doubt I'm ever going to get a chance to build this. Brand-new never opened. Kit was $165 on eBay. Anyone interested in buying it from me please send a message to me on my Youtube channel. Selling it for $100 firm via Paypal. thx

[MrParsec10]

Gavincurtis,

Are you still selling the Audio Spectrum Controller on eBay? I'm interested in one, thx!

[fox9419]

Really nice work there mate. I am thinking about buying the $165 Audio Spectrum Controller off eBay, and I have a few questions about that magnificent display of yours.

Question 1) It’s a 16x16 display correct? How many LED's are in each "pixel"?

2) How difficult is it to build something like that? I have a bit of experience in electronics like soldering and all that.

3) How much approximately would that display cost in total?

4) Possible to use a lightbulb as a "pixel" instead?

[dragosvaler]

Hi , I would like to buy your kit , I found it on ebay , I just have some questions , plese give me your messenger id or skipe id or whatever so we can talk . Thank you.

[fireblade639]

hi, o bought one of your spectrum analyzer and it works very good but i have a little cuestion, can i conect it to a lcd color display???

[gavincurtis]

@fireblade639 Why would you want to do that?

[MrModMe]

Hey man can you tell what size LEDs you used and what you used to construct your display. Im thinking about buying a kit to build this but need to make a display and am just trying to figure out what im ganna end up spending.

Thanks in advance,

Jordan

[powerdon215]

Man, I don't have BIG dough, but can a novice build this?

And how do you get info to do so?

[gavincurtis]

@powerdon215 Yes. Processor and LED driver kit is $165. But the big LED display like this one in the video (pre-built) can be yours as long as it will fit in the trunk of your Bentley ;).

[DJGrooveStyle]

@gavincurtis So did you have this built, or did you build it yourself? and are the entire squares lit up by a single LED? How does that work?

[eldoradoboy]

oops I saw where the kit comes with a schematic to build the array. is there a way you can put in a "peak and hold" option.. I think that look would be incredible.. also is there any way to remotely trigger the unit on and off? its only going to be in parts of my christmas display...

[gavincurtis]

@eldoradoboy

Peak and hold I am working on....

[gavincurtis]

@eldoradoboy

Have 3 other display modes. But EEPROM core has to be able to self correct if it becomes corrupt. Otherwise the entire software will crash.

Nothing wrong with the PIC, but want perfect software running on it. Has to be able to self heal.

[gavincurtis]

@eldoradoboy

EEPROM is used to remember analyzer mode so when it powers up so it stays the way you remember it... also some other register data.

Everything else is operating in RAM.

But dangerous if EEPROM becomes corrupt. A good programmer needs to look ahead and see all possible failure modes.

[eldoradoboy]

does this kit come with a schematic for building the array? im looking at using this board for part of an animated holiday lights display so I will build my LED's into clear plastic tubes and place throughout the yard but im wanting to know the wiring scheme to see if its possible to separate each "band", also do you have any links for the LED's and possib ly any pics of how you mounted your LED's in Big Blue?

[Kevindema]

did you make some kind of template to get the squared look for the segments if you were useing reg. old led's

[gavincurtis]

The template is actually from ceiling light diffuser panels from Home Depot (ones with all of the squares). Cut out sections using dikes to make larger rectangles for segments. Then installed a conventional ceiling lamp diffuser on the top.

Another easier way would be to use PVC pipe couplers and stack them for round segments. Then place the ceiling light diffuser in front. One or more LEDs in each PVC pipe coupler. Have to use wide dispersion LEDs too.

[MijnCreaties]

i wish there was a completly assembled set to buy. i'd pay big money for a ready-to-go set like this.

just unpack, plug in, and enjoy.

if you ever decide to offer this service, please let me know.

i'm seriously interested in this!

(couldn't find this whole kit on ebay....)

[MijnCreaties]

i'm sorry for the wrong message, i was talking about the led screen you use in most of your other videos, not this huge screen.

i like the bleu led you use in your "my big blue audio spectrum analyzer video".

still interested thou!

[gavincurtis]

@MijnCreaties

I do have some fully built up versions available with a 8" diagonal blue LED display.

I do have some of the 11" X 8" LED arrays used in my big blue videos too.

PM me here.

[Saraow]

I have been thinking of making something exactly like this for a TV spot. Where are you located? Does someone have to be operating the display and music together or does it actually take its cues from the music? I am not a DJ so pardon if that is a stupid question.

Where is this Spectrum Analyzer located??

In LA by chance?

I would love to rent it from you.

[gavincurtis]

Saraow,

My company is located in North Idaho. Spektra display is automatic and uses standard line input source from radio, CD, DVD or MP3.

[PhilliR93]

wow, just  wow. :)

[mvideo]

ware did you get the blue 16,000 mcd leds? thanks....

[gavincurtis]

mvideo,

Ebay. Many LED makers from Hong Kong sell them directly and incredibly low prices. LEDs are great quality.

All LEDs I have tried so far work perfectly except the 4 lead square type.

If you go with standard T-1 or T-1 3/4 two lead LEDs, you will be fine. You have up to 24 volts to work with for each cell or LED location... so you can make one LED into 12 or more for a very large area display panel.

A panel with 4096 LEDs or more is possible with the kit.

[themusicinsider]

Also found the kit. If I buy it, will you have time to provide after-sales help in terms of sourcing the other components as per this vid and also in what needs to be connected to what?

[gavincurtis]

As long as I am alive will do what I can to help people that buy my kits.

The $165.00 display driver kit has everything you need to assemble the controller board and also schematic of the LED display panel that you need to make.

This panel in the video was made from office ceiling flourescent light diffuser panels from Home Depot.

Each blue cell took 3 blue LED's. The top magenta required 6 LEDs because magenta LEDs are half as bright as blue.

[FREAK9364]

Found the kit, will be buying soon. But i realized it does not include the Display. I can order the White transclucent acrylic myself but where could i find the LED display?

[gavincurtis]

The big display as you see in this video was a one off build. I used 3 16,000 mcd LEDs (blue) for each cell and were wired in series.

For the top 2 bars, I used six 8,000 mcd magenta (pink) LEDs in series/parallel. That is 2 sets of three LEDs in series finally placed in parallel to get matched brightness to the blue..

[FREAK9364]

Thanks, But how will i know what kind of connection for the display the Controller requires and how to build it?

[gavincurtis]

The kit comes with a nice owners manual. At the end there is a schematic showing how to wire the LEDs.

[Delorean29]

I found this kit on ebay =) No problem =)

[discoescort]

Hi very nice display, ive just made a mains bulb display just one bar going up and down to the music, but would love to make something like this for a centre part of my mobile disco, you said it will be in kit form soon, how can i obtain it, cheers

[gavincurtis]

Hi Disco,

Exhausted kit circuit boards but have new ones in. So kit is available again. Look on ebay for "VU METER KIT"

I don't have any plans for the larger displays and been overwhelmed with current work to offer something like in this video in kit form.

But the controller can drive many LEDs for a very bright and large display with efficient LEDs.

[nige87]

Hey Gavin!

I have searched but I cannot find the auction!

Can you maybe send me a link?

Thanks!!

[gavincurtis]

Hi Guys,

Sorry about the delay.. now it is officially back on ebay.

[discoescort]

Hi Gavin

I have also searched on ebay and can not find the auction.

could you send the link also,

thanks

[gavincurtis]

It's my bad for not offering full audio. Small office computer speakers and the single mic in my camera lose all impression.

[AMDkicksass]

that thing is beautiful good work

[gavincurtis]

Thanks! Lot of work, lot of LED's and a blister here and there.

[xmasbogdan]

nice project.Could you give me the 10X10 schematic of the equalizer pls? ...perhaps a *.hex file for the microcontroller if it has one...,or it;s just with bandpass active filters? Thanks in advance

[pilbaryfroboy]

f I got the controller, (which I assume is the same one you show in your other videos and is available on ebay?) would it be possible to use it to drive something like that super display you built?

And if that's the case... could you offer any pointers on how you built the display, so I could built one myself? (like what kind of LED's you used?)

Or if you have a kit available to purchase to make the display, I would be very interested in that also...

[gavincurtis]

Hi pilbaryfroboy

I used that exact same board to directly drive this large display. It has a decent ouptut power.

What is your email and can send you more regarding large display.

[boumba]

Do you think you would be able to shoot me some details on how you put this project together?

I've been looking on how to put one of these together but all I can find is small ones.

Something this size would absolutely whoop ass!

[gavincurtis]

It definitely gets attention. Send me your email address. The controller board can directly drive the LEDs for the large displays no problem. But you will have to build the big display yourself. :)

[robertogarzag]

beautiful

[gavincurtis]

Thank you.

[windy3001]

Can you send me the schematics for the 10x10 analyzer please?

[NaagLugYaajUaSi]

A boolean question for this kind of project. Does most people who built this kind of project used external bandpass filter circuit for each band, in this case 16 bandpass circuit, then tied the voltage output from the filter to the uProcessor to be sampled, or do people do the "frequency and amplitude detection" calculation inside the software. From my experiences, it would be so hard if not, impossible to do 16-bands with just software calculation using uProcessor like PIC16Fxxxx?

[gavincurtis]

Most of these designs are external bandpass filter.

[blaxpear]

Been trying for the last year in my spare time, but haven't been able to find a simple enough band pass filter design. No one wants to share their circuit design either. I'm thinking about starting an open source project.

[gavincurtis]

Google "multiple feedback bandpass filter" as it offers a quality bandpass filter with minimal component count aka one op amp. A very popular type of bandpass filter.

Shoot me your email and I will send schematics for a 10 X 10 spectrum analyzer.

[citrov86]

really really awesome stuff mate!

I have been trying to think about making a similar device lately but I didn't get really far so far. Could you maybe PM me to discuss some details?

cheers

[gavincurtis]

Shoot me your email and will send schematics for a popular 10 X 10 system using multiple feedback bandpass filters. Same filters I used in this 16 X 16 front end. Have to use high speed audio op amps in the filter design when filtering above 10kHz.

[gfxdave99]

dude you are an electronics god

[gavincurtis]

gfxdave99

Hardly! Just wanted one of these since I was a kid in high school. :)

[callatelevise63]

what kind of educational background or experience do you have, in order to achieve the understandings of how to make such a bad A@! creation?

[wyaa71]

nice.. i want that for my bed room.