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Is there any way to construct a resistor within a redstone circuit? I was thinking that there might be some properties of cobblestone versus glass, dirt versus obsidian, etc. but I haven't had the opportunity to check it out. Is there any data on this?

(I realize that there probably aren't resistors in Minecraft YET, but i'm really hoping i'm wrong)

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  • What are you hoping to use the resistor to do? That might get more answers, especially as I'm betting most folks aren't electrical engineers.
    – Raven Dreamer
    Nov 9, 2010 at 23:20
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    Which is to say -- though we might know what a resistor does, we haven't a clue why they're so darn useful.
    – Raven Dreamer
    Nov 9, 2010 at 23:26
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    They aren't particularly useful for binary circuits like redstone emulates. For analog circuits, however, they are important to limit current, among other things.
    – Invader Skoodge
    Nov 9, 2010 at 23:31
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    I'm wildly fantasizing about constructing a working synth, to be completely meta and make video game music in a video game. resistors are the first step out of many.
    – Nick H
    Nov 10, 2010 at 0:23
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    @Raven: Speak for yourself :-) I'm sure I'm not the only one here whose other hobbies include electronics..
    – BlueRaja - Danny Pflughoeft
    Nov 11, 2010 at 18:59

4 Answers 4

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No; redstone can be used to emulate logic gates, not electrical components. There is no analog to any electrical component, nor any use for them.

If what you want is to slow down/delay the signal (which is not what resistors do), you can use a redstone repeater.

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You can use a Redstone Comparator to produce a desired signal strength. When set to subtract mode, the signal being produced out the front will equal the back input minus the side input.

Therefore if you have a repeater directly behind the comparator (15 signal strength), and a lever with two pieces of dust going into the side (14 signal strength) the comparator will output 1 signal strength.

If the comparator has two side inputs, it will simply use the most powerful one.

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Actually there is a circuit which is analogous to a capacitor using two comparators, some redstone dust, and some opaque blocks, but even they don't work exactly like real capacitors. I guess the closest analogous circuit I could think of to a resistor would be a comparator set for subtraction mode with another comparator feeding into it's side reading a set value from a chest. That way it can subtract a set value from an analog input. Obviously still not quite the same or really all that similar even, but I think it is about as close as you can get. You can even use an item frame instead of the chest to make it a variable resister, though I think you would actually need two if you wanted the full range of resistances (0-15), and you would need to subtract one from each before inputting them because item frames don't have a 0 output with comparators.

Of course this might not be terribly useful to you since it still won't work quite the same as a resistor in the real world.

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Why not use command blocks? A simple /setblock command should do it.

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