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  1. K

    LED Pulse with music from Car Stereo

    Hey guys, I'm working on a project to put four, blue LED light strips in a car. I bought the strips already constructed, so they are good to go. They operate on 12 volts, standard car battery voltage. Where I'm having trouble is that I want the LEDs to pulse to the sound of the music. I'm not...
  2. K

    Knight Rider K.I.T.T. Scanner

    I think I want to go with the 40 pin Micro controller approach. What else would I need besides the LEDs, and the microcontroller?
  3. K

    Knight Rider K.I.T.T. Scanner

    Okay that sounds good. Could you explain how I would wire up this entire circuit with the LEDs and such. Also how would I switch between preset designs?
  4. K

    Knight Rider K.I.T.T. Scanner

    CocaCola, You said that you think it's a giant leap for a newbie. What would you suggest instead? Would not having the trailing effect make this more of a level someone like me can handle?
  5. K

    Knight Rider K.I.T.T. Scanner

    Ok I understand a little bit more. Thanks for explaining it on a lower level. I would like to have the trailing light effect. So I'm willing to learn about SPI and data protocols. As I understand it, I'm going to need a microcontroller and LED driving chips. Would I need a driving chip for...
  6. K

    Knight Rider K.I.T.T. Scanner

    BobK, I really don't have any idea what you're talking about. Could you try to explain in simpler terms? For example, I don't know what you mean by "driving LEDs." Also you say that I will need 5V for blue LEDs. The blue LEDs that I have, have a forward voltage of 3.0-3.2V
  7. K

    Sign with 175 LEDs

    Thanks
  8. K

    Knight Rider K.I.T.T. Scanner

    Wow there are a lot of different ways to go. I think I like BobK's idea. Although I am good at C++ I am still only a novice programmer. Would this work for the Microcontroller...
  9. K

    Sign with 175 LEDs

    I would show a picture of the front but it was an anniversary present for my girlfriend and it has our initials and a message on the front.
  10. K

    Knight Rider K.I.T.T. Scanner

    I'm alright with using a microcontroller. What kind would you recommend that is cheap and able to use 30 LEDs?
  11. K

    Knight Rider K.I.T.T. Scanner

    Hey guys, I am looking to build an LED scanner/chaser for my next electronics projects. I want it to consist of around 30 blue LEDs (3.1fV @ 20mA), have an on/off switch, buttons or a knob that will change the speed (I believe I would use a potentiometer for this), and also a button that will...
  12. K

    Sign with 175 LEDs

    Hey guys. The sign turned out great! I just wanted to say thanks to everyone for all of your help! I wouldn't have been able to make it without everyone's help. Thanks again!
  13. K

    Sign with 175 LEDs

    Ok perfect. Thanks Kris.
  14. K

    Sign with 175 LEDs

    Hey guys. I'm almost done with the sign. I have all the LEDs wired up and they are extremely bright. I was wondering if I could use something like a variable resistor to be able to change the DC voltage coming from the power supply. Thanks for any help.
  15. K

    Sign with 175 LEDs

    Hey guys. I've been working on the LED sign and it is coming along nicely. I have a question about the switch I'm using though. It is classified as a 16A 12V switch. Since I'm using a laptop power supply, which is 19.4V, does that mean I need a higher rated switch? Or is the 12V rating just for...
  16. K

    Laser Diodes

    Would I be able to take out the lasers that are in laser pointers? Such as the ones found here: http://www.ebay.com/itm/5mw-3PCS-Red-Green-Blue-violet-Laser-Pointer-Visible-Beam-Fast-From-USA-/160970430414?pt=US_Laser_Pointers&hash=item257a95d7ce
  17. K

    Laser Diodes

    Ok. Thanks for your help Raven and John. I'll see what I find.
  18. K

    Laser Diodes

    That wasn't very helpful. Everything that is brought up is extremely too expensive. I'm looking for cheaper parts. Wondering if there are any special places that people on here get them for cheap.
  19. K

    Laser Diodes

    Where can you buy laser diodes? Blue ones specifically. I'm thinking of making a Dead Space like gun and I want it to use three blue lasers. Thanks for any help.
  20. K

    Sign with 175 LEDs

    Ok great. Thanks Kris
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