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Author Topic: Guide: Stereo VU Meter  (Read 29902 times)

I LOVE ED

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Guide: Stereo VU Meter
« Reply #60 on: August 01, 2004, 08:08:34 PM »

ok the difference (display is showing "6")

Code: [Select]

||||||....  <-- bar mode
.....|....  <-- dot mode

where | is a lighted led and . is not


for light 10, it maybe because it's not reaching that level.
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trials_modder

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Guide: Stereo VU Meter
« Reply #61 on: August 02, 2004, 05:22:24 PM »

i dont think my dot mode is working properly. 2-3 leds will light up at a time when i control the lights by touching the audio plug, but when it is plugged in to an audio device it acts like bar mode except certain leds arent as bright
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Soulscheme

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Guide: Stereo VU Meter
« Reply #62 on: September 08, 2004, 11:39:46 AM »

i don't have dot mode at all. it doesn't matter if i have connected pin 3 to pin 9 or not, it's always bar mode :(
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Guide: Stereo VU Meter
« Reply #63 on: September 08, 2004, 11:46:56 AM »

make sure to take it off the other mode first.  like for example, if you want bar mode, connect pin 9 to pin 3.  for dot mode, connect pin 9 to pin 2, making sure it's not connected to pin 3.  On my circuit, I have a switch to toggle between modes.  So it's either 9 to 2, or 9 to 3 only.
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Soulscheme

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Guide: Stereo VU Meter
« Reply #64 on: September 08, 2004, 03:24:17 PM »

so:
if i give ground to pin 9 i'll get dot mode and if i'll give +12V to pin 9 then i'll get bar mode?
i had also bar mode if i didn't connect anything to pin 9 (but led's weren't so bright, when pin9 wasn't connected with pin3)
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babasheep

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Dim LEDs & Cap Shorting Problem
« Reply #65 on: September 09, 2004, 09:22:00 PM »

Hi

The LEDs are not fully bright and I know the problem is definatly not the LEDs, any ideas how to fix this?

And when I put the tantalum 2.2uF 20v cap between the 12v and Ground the PSU automatically shuts off, because it detects a short circuit, what is the problem.

In the guide Jingoku says to use a tantalum cap but the picture look like a eletrolitic cap, could this be the prob, that I'm using a tantalum?

Tantalum - http://www.dicomse.com.ar/polytrade/tantulum%20cap.JPG

Electrolytic - http://www.gibsonteched.net/media/p0001835.jpg

I know this is a old thread, but any help would be greatly appreciated


Isaac Christie
isaacmc@msn.com
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trials_modder

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Guide: Stereo VU Meter
« Reply #66 on: September 27, 2004, 08:04:33 PM »

how do you limit the signal so that the max volume can be set... then there would be more rise and fall when the input is louder
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