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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How can I receive a success output signal from command block on a fill clock?

I have a setup like this: In which the yellow command blocks are a standard 20Hz /fill clock, and the blue is a command such as, for example: /spreadplayers ~ ~ 10 20 false @p[r=5] My problem, ...
18
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3answers
26k views

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
72 views

How do you make a item transporter in minecraft [closed]

Can you please help me on this topic? I just need basic facts about this.
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1answer
158 views

My wooden pressure plates aren't deactivating

Ever since the 1.6.2 update, if something activates a wooden Pressure Plate it will stay activated. It only happens on one world, and even then only in 2 chunks (my HUGE survival world). Is there a ...
2
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1answer
141 views

How to use a command block to welcome new players on a server in Minecraft?

Ok, so me and my friend own a server, it uses Minecraft 1.6.4. What I can't seem to figure out, is how to welcome new users to the server by saying Welcome USER To Northwood, when they join.
3
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1answer
215 views

how do you make commands not show up on the chat

I am making a server, and I put a comparitor clock down to constantly have clear weather. How do I silence the commands?
2
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2answers
88 views

Command Block always activates Comparator

I am trying to do something with command blocks. I have it test for a player at a certain position. I have set up a hopper clock that activates a command block with /testfor @a[x=-611,y=80,z=714] ...
2
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1answer
35 views

minecraft command block /setblock is innacurate

I notice when I use command blocks and /setblock, i will always have to subtract the x-value by 1 for it to go in the correct place when i check where the coordinates for the block i want to be set. ...
1
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1answer
118 views

What is the purpose of a D Flip-Flop in Minecraft?

Based on the design of the circuit and on the description, what is its purpose? It says that it transfers the state of D to Q. This means it can store one bit. But what is the purpose of a D ...
2
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1answer
82 views

How can I make the redstone repeat a task x times and reset it self?

So I'm trying to make a redstone circuit that can repeat a task x amount of times and then reset it self. I was thinking of using a dropper and a hopper and use the hopper redstone signal (retrieved ...
31
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8answers
6k views

How to find a player's redstone clock (or other aggressive circuitry)?

I'm an admin for a minecraft server where I suspect one of the players has set up a fast cycle redstone circuit. The reason is the server uses what seems to me to be too high of cpu for only one or ...
6
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1answer
254 views

Redstone torch on a block that is powered directly by another torch doesn't turn off?

As far as I understood, if you power the block that a redstone torch is on, that redstone torch turns off. But as the question title states, if I power the block directly with another redstone torch, ...
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3answers
544 views

Best way for connecting this redstone vertically?

i am currently working on a big RAM in minecraft and i want to connect the inputs of each row vertically: I want to connect the yellow lines. It should be fast not use too much space.
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3answers
77 views

Use a command block to “Sense” a player in a certain area

OK, so on my friends and my server, we have a skyblock map. My issue is when somebody joins they spawn above the Void. What I need is for a command block to determine if a player is near the Void and ...
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1answer
2k views

Minecraft command block specifiers “[Data value] [Data tag]”?

When using command blocks some commands ask for [Data value] and [Data tag]. I know what Data values are. But what are Data tags? How do translate the Data specifications that I need into "command ...
2
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2answers
138 views

Is there a way to display a player name in /tellraw command?

like the title says, I'm looking for a way to display a player name in a /tellraw command which is run by a command block. Example: /tellraw @a {"text":"","extra":[{"text":"A player has won the ...
13
votes
7answers
983 views

Powering a Redstone Lamp on top of a Piston

I am trying to design a street lighting system which is controlled by a light sensor. What I would like to have is for the redstone lamps to be lowered, flush with the ground, during the day but at ...
2
votes
3answers
97 views

What's the easiest way to test the effects of chunk unloading on redstone circuits?

I'm building a long-distance signal transmission line for a railroad system. I think it will work because the player moves through chunks with the signal, but I want to test what happens to the ...
-1
votes
3answers
512 views

How to make a command block say something only once in Minecraft?

I am creating an adventure map and needed to know how to make a command block only say something once in the chat menu. PS: I would like this to be under my floor because it is supposed to be an NPC ...
2
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3answers
129 views

What is the command to make a command block emit a redstone signal after 20 mins

How can I make a command block emit a redstone signal after 20 mins. I want it to emit a redstone signal after 20 mins to power another command block that will have /tp to send all players to a ...
6
votes
1answer
219 views

How to make a block disappear after a certain period of time

So I am making a 'magic trail', which is essentially wherever you walk and jump, a block will be placed below you. Unfortunately, the trail will always stick around and never go away. After a while ...
5
votes
1answer
771 views

How do I make a “Rotary hopper clock”?

I'm working on a project that requires a fairly long delay. I found the "Rotary hopper clock" on Minecraft 101, and I do like the compact design it has to it. However I'm not entirely sure how it ...
0
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1answer
44 views

How to testfor blocks not people

how do I testfor blocks? like if I put down stone near a command block with a comparator attached to it and it will activate a piston connected by the comparator on the command block? please answer.
0
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1answer
83 views

Inflict damage when player is hit by minecart

Is it possible to test when a player gets hit by a minecart, then inflict damage on the person hit by the minecart based on the speed of the minecart? If testing for the speed of the minecart isn't ...
9
votes
1answer
898 views

What is the most compact design of down-shifting double-pistons?

It is often useful to stack pistons to shift blocks by more than one space. As an extended piston can not be moved, the timing of the corresponding redstone circuit is of crucial importance. ...
0
votes
1answer
115 views

Summoning PrimedTnt with custom fuselengths

How can I summon PrimedTnt with a custom fuse length? I know I have to add some attributes to it, but I'm not sure as to how I can do that. Does anyone know? Also, is there a way to turn TNT explosion ...
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0answers
49 views

“Refilling” items in a chest [duplicate]

Let's say that I have 3 chests, each containing one of these items: A full set of armour (Leather, White Stained) A Named Lever A Named and Enchanted (Unbreakable) Bow. How can I "restock" these ...
14
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5answers
6k views

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 ...
0
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1answer
87 views

Execute fill command relative to player

How can I execute the fill command relative to the player? If you are wondering why I am asking this, and for more information, reference my earlier question here: How to make a block disappear after ...
10
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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, ...
20
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2answers
33k views

How do you lengthen a redstone button signal in Minecraft?

I made a little redstone circuit to open a door (using pistons) with a button, but I was wondering how I could make the door stay open a little longer. I don't want to use a lever as I want it to ...
2
votes
1answer
92 views

Making a command block with a command block

I am trying to make a spaceship that can go up and down basically. When it goes up, I want the command block to have a command. That's where I ran into a problem; I couldn't find a way to move a ...
0
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1answer
102 views

What's a 2×4 ultra clock?

In this video, the uploaders describe a mechanism to "automate" the mining of trees by filling blocks around and above tree you mine with air, while accelerating the speed at which "random ticks ...
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2answers
88 views

Right side of piston-chest room not working

I'm new to red stone and am trying to make a chest room similar to Etho's where you walk on pressure plates and all the chests come through stairs. I was stoked that I got one side working, but the ...
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3answers
530 views

In minecraft how do you command conditions on to players

I'm developing a minigame server. I just need to know what commands to use, via command block, to give players special conditions infinitely such as; speed boost, regeneration, or jump boost.I know ...
0
votes
2answers
133 views

/testfor in minecraft 14w11b (snapshot of 1.8)

I can't test for people's locations using @a[x=-563,y=4,z=23]. Instead, the redstone comparator will just turn on even if no one is at -563,4,23.
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2answers
437 views

How can I make Redstone respond to a player having no money in their account?

I am building a gambling machine on a Bukkit server with the Vault plugin, and I would like to do an error check. When the player wants to play the game, they need to have X dollars in their bank ...
6
votes
2answers
154 views

Minecraft redstone logic - comparing 6 inputs

i do have 6 inputs. 3 A inputs, 3 B inputs. Each one of them can be set to on or off. I now have to compare those 6 and look who has more on-inputs. A or B? Does anyone have a solution for this? ...
2
votes
2answers
615 views

How to use setblock command for placing stone button on the left side of the command block

I tried to use the command setblock ~1 ~ ~ stone_button but then it places a button on air. I'm running Minecraft 14w11b snapshot from the 1.8 snapshots. Does someone know how to fix this? Pictures ...
0
votes
1answer
100 views

Dropper redstone bug

been playing around with redstone again until i discovered this strange beviour: I used to droppers on top of each other and a chest on top of that to transport some items from the bottom dropper to ...
3
votes
1answer
104 views

Is there a way to guarantee every block is collected in info obsidian?

I have an info obsidian farm, which I'm trying to set up to AFK. Unfortunately, I seem unable to guarantee every mined block is picked up by my hopper system. In the image below, I have a minecart ...
16
votes
9answers
30k views

How do I create a very long delay with Redstone?

The only things I've found so far are a cart method (which ceased working in 1.6), a dispenser method (utilizing the decay on dropped items, but this requires occasional feeding), and a binary counter ...
1
vote
2answers
60 views

How can I null the output of this circuit when a switch is activated?

Specifically, how would I cancel the redstone signal going to the stone block? What type of logic gate would I need? I want to be able to active a switch on the right input (in the screenshot) that ...
4
votes
2answers
105 views

Help with auto Punkin farm/melon

I want to build this (Punkin/melon farm) on my world but I want to build a huge tower of it but I don't know how I can transport the items down to a chest without using more than a 100 (example) ...
5
votes
4answers
2k views

What Is The Best Level To Find Redstone At?

I am currently trying to build a piston elevator in my single player world and I need about 200 blocks of redstone to complete it ("For the back wall"). I already have enough redstone for about 90 ...
2
votes
2answers
860 views

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 ...
18
votes
5answers
21k views

What is Redstone used for in Minecraft?

I've found several piles of Redstone in Minecraft, but I can't seem to find a coherent explanation as to what it does or how to use it. Does anyone know what it's used for, and how to use it ...
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vote
1answer
913 views

Is there a way to place a command block with a command in a chest and/or dispenser?

I'm in the new snapshot and trying to make a random TP out of a dispenser and command blocks just like SethBling in his snapshot video just with the difference that I want to place the dispenser with ...
0
votes
1answer
452 views

Can I use /testfor on zombies?

I know how to use the /testfor perameters in a command block to scan for players. But I need to test for zombies. Can you test for things that aren't players? If so then what else can I test for and ...
6
votes
2answers
154 views

How Long Is A Redstone Night In Minecraft?

I am currently creating a debuff system that gives you slowness during the night if you don't use a bed. I am using a daylight sensor and was wondering how long the effect should last. I thought ...