Redstone in Minecraft is most commonly found deep underground in the form of Redstone ore. When mined, it gives Redstone Dust which can be used by players to create complex redstone circuits.

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What is the actual “spread speed” of water and lava in the context of a stone generator?

I'm currently experimenting with stone generators, e.g.: I'm having problems figuring out what speed of pulse do I need to provide to the piston in order to maximize the speed of stone production. ...
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Instant open piston door with delayed deactivation with pressure plates

I was wondering if anyone knew of a proper way to get a pressure plate to trigger a series of pistons instantly, but have their deactivation delayed by about a variable number of seconds. I've tried ...
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Inverting pressure plate without powering piston

I'm working on a trap, where if a person steps on a pressure plate, then the pistons deactivate and a pit forms in front of the plate. I decided to do this like a vertical jeb's door (a piston door in ...
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443 views

How does this rapid pulser work?

While experimenting with redstone, I seem to have come across this strange piston-based circuit: Although it may not be obvious from the picture, this circuit causes the upper wire to rapidly turn ...
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How can I toggle an output using the same input pulse?

I need to make a contraption that takes a pulse and toggles a switch from on to off. Then when the pulse happens again, I need it to turn from off to on.
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How can I connect a field of pressure plates to a single output?

I have a large flat area covered in pressure plates (30x70) and I was wondering how I might wire them from beneath to detect if a mob or object has touched ANY of them. I guess I could cope with a few ...
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How can I make a reliable and compact random timer?

I need to make a reliable random timer that powers a redstone wire and that is as small as possible. It should send about a pulse every second or half second, but obviously be slightly varied. It ...
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How do I separate redstone signals in minecraft?

I am trying to create a row of buttons all right next to each other, but no matter what I try, I can't separate the redstone signals. If I press one button, all the cables turn on because they're next ...
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How do I create a redstone circuit whose output depends on it's previous input?

I have two inputs, A and B, and I want them to perform as so: |------------|-----------|--------| | Prev State | New State | Output | | A B | A B | | ...
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How do I turn Redstone into Redstone Dust in Minecraft?

I have 28 or so Redstones — not Redstone dust. I mined them with an iron pick. But all the things I see say how to use the dust, not the stones alone. Thanks
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Is redstone deterministic?

In circuits not using pseudo-random 'dice-roll' type randomizers (i.e. a fast clock that the player stops to produce a random state), is the output state always the same for the same input state?
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How to delay an input for a short while after it turns off?

I want to make a redstone device that prevents an input from turning on, then off, then on again very rapidly. For example, if a player turns a lever on, it should update instantly. However, if they ...
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Minecraft Double Switch Door

I'm trying to make a base with a hidden door that can be opened from the inside and outside. I was wondering if there was a way of making a circuit that could be operated from two different switches ...
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286 views

Minecraft greed trap

I'm making a trap so that when an object is removed from the pressure plate, it blows up. But Im a bit stuck. The pressure plate does not change the state of the redstone torch on the endblock. I need ...
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How do I make a Stronghold locater?

I want to make a stronghold finder using TNT and redstone, but I don't know how. Every time I try it out I end up blowing myself up. This is my current design:
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561 views

How to make a tree miller

Tree milling There are plenty of videos about already done tree miller. But none explain how to build one. I'm currently trying to create one and share it with you once done but I'm stuck. What I ...
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675 views

Why does this redstone circuit burn out?

I'm testing a circuit with restone but came across a very odd behavior, so I isolated a part of circuit composed of a block with the NOT gate which has a lever attached to it. When I activate the ...
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How do I make a piston go up and then down?

I'd like to make a piston go up and down just once (then I'll make this thing repeat forever), how do I do that? How do I give the piston the order to go down after it went up in a single tick?
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Extend Pistons By Default in Minecraft

I'm working on my first redstone structure, so it's extremely simple. It's a secret entrance to my base, and it's just two horizontal stickypistons, one of top of the other, that extend one piece of ...
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Vertical power transmission from top to bottom

Is it possible to transmit the redstone power with a lever, vertically, and from top to bottom?
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What's the largest size of “door” I can open with a single switch?

I'm fairly new to using redstone, and I'm wondering what's the largest size of "door" that can be opened with a single switch? I have a huge arena, and I'd ideally like to be able to hit one switch ...
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How can I keep ghosts out of my machine?

I've been building a number of redstone circuits lately, and to keep them protected I've been enclosing each entire circuit in obsidian. However, recently I noticed that a zombie managed to spawn in a ...
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How do you create double doors that open in sync from a 2-wide power source?

I've got a double door which I power from below, using a T-flip flop triggered by a pressure plate on the inside so that when I walk out, the doors open before me and when I walk in, the doors close ...
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Can I build a TNT cannon that fires the TNT directly upwards?

I've successfully built a cannon that will fire the player upwards to above the clouds by using this design (found on YouTube). The player stands on the stone pad, it triggers the TNT and the "water ...
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How to generate a predetermined number of pulses?

Motivation: I have a grinder that spawns spiders which are then moved to a very small space. When they accumulate in big enough numbers, I pull a lever and let a piston crush them 11 times. Then I can ...
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When do redstone torches burn out?

I know that if I make a redstone circuit that switches too often, my redstone torches will 'burn out' and stop working. Under what circumstances does this happen? Will a slow circuit eventually burn ...
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How can I get my redstone to activate adjacent pistons?

I'm trying to create my first circuit in minecraft: a - pressure plate p - piston d - dirt - or | - redstone   a----dddd pppp Pistons are placed over the dirt and there's water under ...
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Is there a more efficient way to wire a row of pistons?

I want to create two sets of two adjacent pistons with a two block gap between them for a melon farm. It seems as though I'm using a prodigious amount of redstone for each section. This is my first ...
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How can I pause this redstone wall rotator as nessecary?

Back...with another Minecraft device. First off, I remember seeing a device like this on Reddit/YouTube a long time ago, and I've since forgotton how it was done. The way the device works ins ...
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Redstone loop not working

After building and exploring in Minecraft, I chose this sticky piston mob grinder to learn about redstone - which may have been a bit too ambitious, as I'm having problems with the loop which sends ...
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How can I create a “master” switch with redstone?

How can I create a "master" switch with sub-switches all connected to the master switch? When then master switch is turned on, it allows power to go to all the sub-switch (when the sub-switches are ...
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Is there a way to shut down a Nether portal with redstone?

Since it is no longer possible for flowing water to deactivate a Nether portal, you can't use pistons to push blocks into the nether portal and finally you can't move the obsidian powering the portal ...
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How can I get this redstone blast door to do what I want?

I'm working on expanding my Minecraft Redstone experience and contraptions. Here, I have a 2 blocks high x 3 blocks wide section of a tunnel with a track approaching it that is meant to act as a ...
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Why do two identical redstone contraptions not do the same thing?

I was experimenting with redstone manage to build the first example were everything works thine. I've built the exactly same thing in my building but there it won't work any ideas why? (the delay is ...
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How do I make a 1x1x2 piston door that opens when I step on a plate and not the other way around?

In Minecraft I need to make a piston door that opens when a plate is stepped on, it is normally the other way around. Does anyone know how? A video would be helpful but not required.
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Changing delay with NOT gate?

I just asked this question 30 minutes ago and was told to use a NOT gate It worked at first, but I had to delay one of the pistons 100%. The problem is when they are to go back to the starting ...
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Activating one piston while deactivating another at the same time?

I just wondered if it is possible to activate one piston while deactivating another (activated) piston with the same lever. The idea is to pull some blocks into the wall while other blocks are pushed ...
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Is there a way to keep a clock ticking with no players logged into SMP?

I'm planning to build a clock tower for my SMP server; however, it's occurred to me that my plans have a gaping flaw: when nobody's online, the redstone clock won't keep time. I'm using vanilla, so ...
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How can I build a simple flip-flop with Redstone?

I've been trying to learn more about Redstone after doing some research for another Minecraft question. I've never played Minecraft before, although I'm familiar with Terraria, which I believe is ...
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What are some good novice applications for redstone circuitry? [closed]

I've just decided to finally bite the bullet and learn redstone circuitry in minecraft. I'm already familiar with logical circuitry, and the minecraftwiki page about redstone circuits is certainly a ...
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How can I generate a redstone signal when players are near?

Is it possible to construct something that will run automatically whenever a player is nearby, say within a chunk's range, without that player having to trigger something like a pressure pad or ...
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How can I make the effects of button pushes last longer? [duplicate]

Possible Duplicate: How do you lengthen a redstone button signal in Minecraft? I am trying to create a piston-powered 3 x 4 doorway (with no visible pistons!). I have tested my machine ...
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Error with Double-Dabble decoder

I'm using a Binary to BCD system using this double-dabble decoding device. It all seems pretty good, but it doesn't work properly. If you are unfamiliar with double-dabble, it should take an input, ...
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How to channel Redstone current vertically?

I'm making a door with piston sliding sideways that reacts to pressure plates. As the pressure plates are sending the current to redstone at a very low level, I need to raise it somehow, and this ...
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1answer
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How can I make a functioning piston elevator in SMP

I've recently been trying to build a piston elevator in SMP from bedrock to the surface. However, every design I've tried (some of my own, and some from Youtube) results in me getting stuck in a block ...
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1answer
439 views

How to simulate polyhedral dice in Minecraft?

A dispenser can simulate dice of up to nine sides by random choice, and there are redstone circuits for simulating six-sided dice. But how do you simulate, say, ten-sided, twelve-sided or twenty-sided ...
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How to simulate a deck of cards in Minecraft?

A dispenser can eject one of nine different items at random, simulating a deck of up to nine cards (as of 1.6 it is no longer biased toward certain slots). How would you simulate a deck of cards with ...
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Giving a minecart momentum with a piston

I am trying to setup a situation where I press a button and a minecart is pushed onto some powered track where it is then boosted up and giving a good speed. This is what I tried (cross-section): ...
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Redstone torches spasming out?

In my server when i place redstone torches and work on something else while on the same chunk the redstone torch can sometimes flicker even when on its own.
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Keep some chunks loaded in Minecraft SMP

I am looking for a mod or something which would allow me to keep some chunks loaded on the SMP server I administrate. In fact, it is a redstone circuit including a clock under a huge mob trap which ...