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Thread: Pilot the Led with a slider?

  1. #1

    Default Pilot the Led with a slider?

    Hello again,
    I was making some tries on my blade and led, and found out that if I attach a Trimmer / potentiometer to manage the light, it give a nice opening and closing effect, very similar to the led stripes effect, but ofc, without the led stripes and with a single led.

    So my idea was to put a "slider" trimmer that also has a function to 'turn off' the whole circuit. Where can i find something like that? does it have a different name? Or should I add some sort of transistor to the slider in order to have what I want?

  2. #2


    You can't have the slider kill the circuit. Because the slider is unable to control the circuit. The Leds can be driven from a range of voltages. The rest of the circuitry in a lightsaber can not. Unless you're making a stunt saber that only has lights. This can be done however by adding a wire from the slider/potentiometer to something that can detect whether there is voltage or not. I would use a microcontrolelr. But you can probably do this with a transistor if you look up a switch circuit. So I guess you're right about the transistor being plausible.

  3. #3


    You can use the dimmer along with a latching style switch. The switch to turn the saber on/off, and the dimmer to get the extend/retract effect.

    Or you could get any of the sound boards from TCSS. They all do that effect natively, and give you sound as well.
    We all have to start somewhere. The journey is all the more impressive by our humble beginnings. for the lazy man's resistor calculator! for getting resistor values the right way!


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