Recent content by Captain Nguyen

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    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.
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    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.
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    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)
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    10A 1.2 to 20V power supply

    I understand, Thank you.
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    10A 1.2 to 20V power supply

    MJ15004 use 250W.  :-X Have not looking to datasheet. Datasheet MJ15004 Is this schematic right now?
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    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?
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    Knight Rider with Halogen Bulb

    Long time ago yes. But with 1K resistor will it quicly turn of?, and without? Slow to off?
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    Simple O2 meter with LM3915

    Hmmm with LDR? Why not from lights?
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    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

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    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.
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    Knight Rider with Halogen Bulb

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