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Author Topic: Sound Reactive leds REDONE  (Read 11073 times)

Offline folklord36

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Re: Sound Reactive leds REDONE
« Reply #30 on: January 09, 2009, 08:02:25 AM »
you did something wrong then because the transistor dose not power the LEDs it shouldnt matter how many leds you use I noticed no reactivity change from 1-4 on my super sound psp
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Offline Alien_X

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Re: Sound Reactive leds REDONE
« Reply #31 on: January 09, 2009, 09:47:41 AM »
Well there is a limit to how much voltage can be supplied across so many leds - they are almost certain to get dimmer the more you put on.
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Offline folklord36

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Re: Sound Reactive leds REDONE
« Reply #32 on: January 09, 2009, 10:17:09 AM »
shouldnt it only get dimmer with more leds not nessicarily less reactive? i noticed no difference between 1-4 leds
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Offline Alien_X

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Re: Sound Reactive leds REDONE
« Reply #33 on: January 09, 2009, 10:26:32 AM »
Quote from: folklord36 on January 09, 2009, 10:17:09 AM
shouldnt it only get dimmer with more leds not nessicarily less reactive? i noticed no difference between 1-4 leds

Well if it is dimmer then it would obviously be less reactive.
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Offline PhenomenalDesigns

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Re: Sound Reactive leds REDONE
« Reply #34 on: January 09, 2009, 12:07:53 PM »
Ive ordered the transistors with another order I had just a few minutes ago (another £100 electronics order)

When it comes (either tommorow, or monday), ill test it out and compare it to direct and the amp
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Offline j.s2ghetto

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Re: Sound Reactive leds REDONE
« Reply #35 on: January 09, 2009, 01:53:51 PM »
another thing is there always on but it looks good
anyways i will get a diagram up of how i wired it so maybe u guys can help me out
THANKS

« Last Edit: January 09, 2009, 02:11:20 PM by j.s2ghetto »
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Offline wetfusion

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Re: Sound Reactive leds REDONE
« Reply #36 on: January 09, 2009, 02:23:51 PM »
from phone repair shops. they got lots of selection of slim and loud speaker.
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Offline j.s2ghetto

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Re: Sound Reactive leds REDONE
« Reply #37 on: January 09, 2009, 03:26:37 PM »
kool
and i know that diagram is wrong i was in a rush ignore it
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Offline PhenomenalDesigns

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Re: Sound Reactive leds REDONE
« Reply #38 on: January 09, 2009, 03:39:35 PM »
Quote from: j.s2ghetto on January 09, 2009, 01:53:51 PM
another thing is there always on but it looks good
anyways i will get a diagram up of how i wired it so maybe u guys can help me out
THANKS


By the looks, im guessing it should be 5v instead of 3.6v

And wouldnt you connect the speaker to the base, to open it?
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Offline j.s2ghetto

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Re: Sound Reactive leds REDONE
« Reply #39 on: January 09, 2009, 10:13:37 PM »
that is wat i did the speaker to base wit 100 ohm resistor
led - to collector
and gnd to emitter wit 100 ohm resistor

and led + to 3.6v i will try 5v and see wat happens i hope that helps
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Offline PhenomenalDesigns

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Re: Sound Reactive leds REDONE
« Reply #40 on: January 10, 2009, 05:48:32 AM »
Quote from: j.s2ghetto on January 09, 2009, 10:13:37 PM
that is wat i did the speaker to base wit 100 ohm resistor
led - to collector
and gnd to emitter wit 100 ohm resistor

and led + to 3.6v i will try 5v and see wat happens i hope that helps

Would it be able to amplify an additional speaker with 5v? Im going to try it anyway
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Offline Alien_X

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Re: Sound Reactive leds REDONE
« Reply #41 on: January 10, 2009, 06:30:26 AM »
The transistor wired in that way wouldn't power a speaker properly.
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Offline RoBot1ks

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Re: Sound Reactive leds REDONE
« Reply #42 on: January 10, 2009, 07:58:46 AM »
Here is some n00b proof info I found lol
http://nobelprize.org/educational_games/physics/transistor/function/amplification.html

It's pretty interesting to me since I am just getting to know transistors
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Offline j.s2ghetto

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Re: Sound Reactive leds REDONE
« Reply #43 on: January 10, 2009, 09:14:43 AM »
Quote from: Alien_X on January 10, 2009, 06:30:26 AM
The transistor wired in that way wouldn't power a speaker properly.

can u help us out here alien since ur like the master of electronics  on am

EDIT:
i had time so i drew up the diagram but correctly this time and remember this if for the sony amp idk how it works for the normal psp speaker outputs but u can try it if u want i might EVENTUALLY




EDIT agian:

i tried it on the 5v and it is super dim doesn't even react well
wat i think it is is the amperage cuz i checked the amps on the 5 and its like 50+ and on the 3.6 its like 220+
another thing is that when i connect multiple leds it doesn't really get less reactive but dimmer making it look less reactive if u get that

Quote from: Alien_X on January 09, 2009, 09:47:41 AM
Well there is a limit to how much voltage can be supplied across so many leds - they are almost certain to get dimmer the more you put on.
« Last Edit: January 10, 2009, 11:59:53 AM by j.s2ghetto »
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thank u P3nnywise for the sig
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Offline j.s2ghetto

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Re: Sound Reactive leds REDONE
« Reply #44 on: January 10, 2009, 12:29:34 PM »
Problem solved
instead of connecting base to gnd i connected it to the - speaker point and its beautiful off when no music super bright very nice also no need for the 100 ohm on the - speaker point i will be experimenting wit this way to see wat how to get the best results thanks to everyone who helped
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thank u P3nnywise for the sig
"See you have to understand the difference. The difference between me and you is to you, this is your job. To me, this is my life. The club; that's my job. The mall; that's my job. Your neighborhood; that's my job. This studio; this is my life. This is what I do better than anything."

Offline PhenomenalDesigns

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Re: Sound Reactive leds REDONE
« Reply #45 on: January 10, 2009, 01:14:07 PM »
Quote from: j.s2ghetto on January 10, 2009, 12:29:34 PM
Problem solved
instead of connecting base to gnd i connected it to the - speaker point and its beautiful off when no music super bright very nice also no need for the 100 ohm on the - speaker point i will be experimenting wit this way to see wat how to get the best results thanks to everyone who helped
My breadboard and all the transistors, extra speakers, 0402 leds were supposed to arrive today...

It will come monday then, bummer... lol

Thats great that it works! WOO, ill see if I can make it more sensitive in anyway, i got a whole week to experiment with it

Which one is the negative wire on the speakers?
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Offline j.s2ghetto

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Re: Sound Reactive leds REDONE
« Reply #46 on: January 10, 2009, 08:15:55 PM »
on mobo right or top bad i think but i could be wrong
but i made a mistake on that the negative doesn't go to the base it goes to the emitter everything else is like it is on the diagram but remember this is for sony amp not mobo so it might need tweaking for it to work its best on the mobo and this might be able to be made to work better on the amp but idk i will experiment on my psp for now i need to finish this so thanks for the interest and help guys really apreciate it
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thank u P3nnywise for the sig
"See you have to understand the difference. The difference between me and you is to you, this is your job. To me, this is my life. The club; that's my job. The mall; that's my job. Your neighborhood; that's my job. This studio; this is my life. This is what I do better than anything."
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