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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348 views

Briefly turning an output on when a switch is turned off

I'm not sure if there's a simple way to do this, or even a way at all. Basically what I have is a switch which is on, and two outputs. The first output is very simple - it goes on when the switch is ...
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2answers
465 views

How can I control a sequence of outputs via a single input?

Ok, so I'm making a map which needs a level system. By level system I mean: Push the button first time,output A lights up. Push the button second time,output B lights up. Push the button third ...
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3answers
3k views

What is the exact time on Minecraft that is sunrise?

What time does the sun rise on Minecraft? I would like to know because I am building a map where it needs that time for the map. By this I mean when the sun creates a purple color in the sky.
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2answers
750 views

How do I light this hollow tower of Redstone Lamps?

I want to light this tower, but controllable from a switch. I'd like to be able to expand this up or down in a modular way. The example in the image is being powered with a static setup, just faked ...
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4answers
1k views

Minecraft save-all timer

I have recently found that my MC world does not auto-save (Don't answer on how to do that), so I have to /save-all every 5 minutes or so. However, I have created a timer hooked up to a /save-all ...
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448 views

How can I make a reliable piston door?

My friend has a "empires" world and my castle is located on the water. I need a piston door that a boat can fit through with out breaking. Currently, I use a 2x2 piston door. (keep in mind the boat ...
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1answer
336 views

How can I select a single bit out of an array of latches?

Let's say I have 4 latches, each representing a bit: I want to be able to see the value stored at a specific bit. I specify which bit I want to look at by entering a binary number via. switches: ...
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4answers
17k views

How can I bring zombies down to one-punch kills in Minecraft?

There's something about zombies in Minecraft that if you merely drop them down 23 blocks for the fall damage, they take two punches to kill, rather than one punch like other mobs. (23 ½ is the same, ...
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1answer
604 views

What is a self-propelling “working” piston mechanism called?

In anticipation of the Redstone Update, I've been experimenting with this type of "wormhead" piston configuration lately: or: PSXXXXSP where P = normal piston, S = sticky piston, X = anything . ...
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294 views

What is the actual function of the third torch in the comparator?

I have heard different explanations for what the function of the third torch is in the comparator. But I have never gotten a definite answer for what the use is being able to right click on the ...
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2k views

How to Make an Instant Off/Delayed On Redstone Circuit?

I would like to make a circuit with one lever input and two outputs. When the user flips the lever, I would like for the one output that's ON to immediately turn OFF, while the other output which is ...
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1answer
396 views

What do noteblocks do?

I have been playing Minecraft for some time, and am pretty good with redstone. However, I was spamming the Random Page link on the Minecraft wiki and came across the Note Block page. Of course, the ...
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757 views

Minecraft - Secret passage behind staircase?

I have a hidden fortress built, and near the entry, you move down a staircase into the main reception area. At the bottom, I have the 2 middle steps and the row just above it also has 2 middle steps ...
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1answer
3k views

Server-Friendly Minecraft Elevator?

Is there a server-friendly redstone elevator I can build in Minecraft? The "zipper" version doesn't seem to work, unfortunately.
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3answers
996 views

Gate to allow only one player to pass through

On my server I have a quiz which you need to take before you can go to most of the areas, build etc... However, sometimes people try to cheat by going with friends into there. I want some kind of ...
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2answers
593 views

A more efficient mob pushing redstone circuit?

I am trying to build a mob system where the pistons push the mobs. The screen shot below shows my current design, but I'm thinking there has to be a more space/redstone efficient way to get at this. ...
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1answer
314 views

How can I hold 256 bits of memory in Minecraft?

I need to build a type of memory that can hold 256 bits of memory, including on's and off's but it seems like the only way to do it would be with hundreds of RSNOR latches and I was just wondering if ...
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1answer
366 views

Is there a new fix to restart redstone clock

I think everyone in this section knows about redstone clocks, and that sometimes when you log in and out, the repeaters get stuck. Sometimes they get stuck when you are just a little but far away or ...
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3answers
1k views

How can I make automatic lighting in Minecraft?

I have been trying to create a redstone system for my "town" on multi-player and was using some guides on creating automatic lighting using redstone, water, and pistons, but it is not working properly ...
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727 views

How to store big variables in a redstone RAM memory?

I've just made a simple RAM memory in Minecraft (with redstone), with 4 bits for the address and 4 bits stored in each cell. Our next goal is to store different kinds of variables in it and to process ...
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1answer
457 views

Confusion on Redstone Wire Transmission

According to the wiki on Redstone Circuits: Redstone Wire powers itself, the block below it, or the block it is pointing to. I'm having trouble understanding what this is saying. According to the ...
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611 views

Math behind Minecraft Redstone Torches Burning Out?

So, I know that redstone torches burn out, and according to the Minecraft wiki, there is some maths behind this. Unfortunately, the MC wiki isn't very descriptive (and mixes redstone ticks with game ...
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2answers
4k views

problem with two-level piston

I'm trying to make a two level piston (i.e. when it is powered on it pushes blocks up two levels rather than just one). The way that I am doing it is placing a row of pistons on top of a row of sticky ...
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1answer
1k views

How to destroy a chest using redstone in minecraft?

I am acquiring emeralds. I am having the issue that if I destroy 4 double chests of paper at my location with a pickax, I can't run through it all (i.e. exchange the paper for emeralds) in time ...
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1answer
732 views

In Minecraft, what is the most space-efficient way to construct AND and OR Redstone gates?

With Redstone you can create wiring and circuitry. Using this, it is possible to create complex devices and even "programs". Unfortunately, the size of such projects usually tends to be massive in ...
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How can I change a pulse into a state?

Is there a logic gate that changes a pulse into a steady state?
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5k views

Super compact piston door with button and pressure plate

Is there a super compact design (or what's the most compact design) for a piston door which should have a button on one side like this: and a pressure plate on the other side: ? I have tried a ...
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718 views

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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3answers
6k views

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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2answers
4k views

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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1answer
461 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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2answers
1k views

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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3answers
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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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2answers
2k views

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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2answers
1k views

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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2answers
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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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237 views

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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2answers
2k views

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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1answer
4k views

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 ...
2
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1answer
292 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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2answers
5k views

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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1answer
604 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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1answer
701 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 ...
6
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1answer
7k views

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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2answers
4k views

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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1answer
11k views

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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4answers
6k views

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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3answers
836 views

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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1answer
8k views

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 ...