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  1. #1
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    USB Out Led dimming

    Hi,

    there is a way to Dimming just some Leds on the Usb card OC and not all togheter?
    What0s the correct syntax on SIOC?
    I need because I use that with Prosim, for dimming some annunciators like Fuel Valve, Eng Aice ecc. ecc.

    Thanks
    Arnaldo

  2. #2
    500+ This must be a daytime job
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    Re: USB Out Led dimming

    Arnaldo

    You can have a dimmed state for the overhead valve annunciators by using two outputs, ie you connect the led(s) via two different value resistors to two separate outputs. The "dimmed" state would have the higher resistor value. You would also need to put two diodes in the circuit. I have done this on my overhead - it is easier than it sounds!

    If you are interested I will try to find a circuit diagram

    David

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