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Recent content by sparky3489

  1. S

    need schematic.

    Yes, that gives it linearity. I don't want it to detect peak but rather the average. ...and it clealry shows they are not all on. When you build the circuit, you can add a peak detector.
  2. S

    need schematic.

    If this were the case, then all the pictures I have taken would either show all LEDs on or off, but they don't. Nor would I be able to make an animated GIF as such - https://i81.photobucket.com/albums/j230/sparky3489/New%20Box%20-%20VU%20meter/sub2.gif You can clearly see the different...
  3. S

    need schematic.

    Show me the rule book that states this. I mean really, do you see a dB scale? No. It just for a light show, nothing else. Lighten up, Downer McBummer pants!!! Oh, and my source is an Mp3 player.
  4. S

    need schematic.

    Then you'd better contact your ISP as they open fine here or try the direct approach - https://www.youtube.com/user/sparky3489. **broken link removed** I'm currently working on a USB model that uses the FT245RL.
  5. S

    need schematic.

    I guess you didn't see the videos huh? Sometimes simple is king, remember that. This is a bit more involved but in a different direction - **broken link removed**
  6. S

    need schematic.

    Scratch all of that. This is what I did - **broken link removed**
  7. S

    need schematic.

    Well crap!! I found what I was looking for with no guess work involved. I'll still have to tweak it a bit, but I think I've got a handle on that. **broken link removed** **broken link removed** So I would like to thank everyone who helped me out in my quest. peace.
  8. S

    need schematic.

    True. The .7 volt drop isn't critcal either. Alright, you talked me into it. It won't be very hard to add it to my PCB layout. Did you notice design #5. I think this is it. **broken link removed**
  9. S

    need schematic.

    Seriously, a car battery. Who puts one in backwards?!?!? Actually, in my car it's impossible, the wires are intentionally short so it will only go in one way. Whether front to back or side to side, the cables will only reach so far. Besides, Ive changed designs again. **broken link...
  10. S

    need schematic.

    Does anyone forsee any problems with the previous diagram?
  11. S

    need schematic.

    I shouldn't have to worry about "reversed battery syndrome" since this circuit will be swithed. Besides, I change my own battery. This circuit is going to be used for my speaker box. The LED's will be in the box with these subs. **broken link removed** My only limit is I'm going to use...
  12. S

    need schematic.

    I just figured out that this won't work as the LED's are set to see the 14 volts. So I thought about separating the emitter of the drive transistor from the circuit and connecting it (on its own) to the 14.4V. Then I can use the 7806 like I mentioned. Would I need to to lower the base...
  13. S

    need schematic.

    This is what I have so far. **broken link removed** The original circuit called for a 6 volt supply. Will the 14.4 cause any foreseeable problems, or do I need to use an LM7806.
  14. S

    need schematic.

    What transistor would be best suited for this application?
  15. S

    need schematic.

    So if I use a resistor for each, then a 560 ohms resistor would do. Is this right?
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