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  1. C

    How to make 10 LED countdown?

    Hello, I have tried to make of countdown with many 1N4148 and CD4017. But first led has weak licht and at last led has much light. See animated gifs. So I will make to get this. Like as this but there is more. (above the voicebox are 4 leds) And cruise leds controls will last on.
  2. C

    10A 1.2 to 20V power supply

    I have thinking about this. I will made from 10A into 5A. 10A is too much for my projects.
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    Knight Rider with Halogen Bulb

    LOL.........  ;D
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    Knight Rider with Halogen Bulb

    Nothing  ;D I did not use when I drive.
  5. C

    Knight Rider with Halogen Bulb

    I have already break lights up (all-on) then knight rider effect. My Power Supply are to weak to get break light up. So, you see this effect when I try get break light up then knight rider effect. http://www.captain-nguyen.nl/knightrider/videos/NewScanner20Watt.wmv
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    Knight Rider with Halogen Bulb

    Schematic works  ;D 8)
  7. C

    10A 1.2 to 20V power supply

    I understand, Thank you.
  8. C

    10A 1.2 to 20V power supply

    MJ15004 use 250W.  :-X Have not looking to datasheet. Datasheet MJ15004 Is this schematic right now?
  9. C

    10A 1.2 to 20V power supply

    I have found this schematic from internet. But I have adapt from 2A to 10A power supply. Could this work?
  10. C

    Knight Rider with Halogen Bulb

    Long time ago yes. But with 1K resistor will it quicly turn of?, and without? Slow to off?
  11. C

    Simple O2 meter with LM3915

    Hmmm with LDR? Why not from lights?
  12. C

    Simple O2 meter with LM3915

    He say: With LM3914 work much better than LM3915. I think you read the level better with LM3914 than LM3915.
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    Knight Rider with Halogen Bulb

  14. C

    Simple O2 meter with LM3915

    I have got only 10 LED air/fuel gauge version, with LM7805 As you would like get circuit diagram here is it.
  15. C

    Knight Rider with Halogen Bulb

    I use with PIC16F628. But I must learn how write pwm effect in Jal.
  16. C

    Knight Rider with Halogen Bulb

    Thanks for info. And it work now with tip32. I did not use always. Only for show at meeting or friends.
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    Knight Rider with Halogen Bulb

    Okay, I will use 1 W resistor.
  18. C

    Knight Rider with Halogen Bulb

    Thank you, And resistor of 27 ohm. Is it 1/4 watt or 1/2 watt?
  19. C

    Knight Rider with Halogen Bulb

    Like as this? Or must I replace from Tip41 to Tip32?
  20. C

    Knight Rider with Halogen Bulb

    oh, I have wrong. It's Tip42, not Tip32. ::) And it's for car. With relay hear you all the time when it on. :o It would not like it. And this schematic from http://ratliff7.tripod.com/counsel.htm would not work best. I have hear from other forum. They say it does not work best, It would...
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