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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63 views

How Do I Use Redstone Comparators in Minecraft [on hold]

I didn't have a computer, and because of that I missed the updates, one of the most things i'm confused about is redstone comparators. -How do I use them? -What can I use them for?
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27 views

Creating a minecart spawner that had blocks riding them

I know how in 1.7 you can summon a minecart that has a block "riding" it, as in you can change the block's height above it, what block it is, etc. I also know how to make a minecart spawner. How can ...
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2answers
68 views

Minecraft 3x3 piston doorway

What is the most compact and simple way of making in Minecraft a 3x3 piston door?
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1answer
39 views

Inclusive redstone repeater

So, I have this: Now, what I want is a repeater that would work while keeping the unlit lamp on. Yeah, that one right there: I have this already: ...but the piston turns on and off ...
1
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1answer
46 views

Player in the air testfor

i would like to know how to testfor a player that is on the ground. Some people have tried but not succeeded in this usefull command. This could be usefull for double jumps or no fall damage. If this ...
2
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1answer
52 views

Perfect test for uninterrupted redstone signal of a certain length?

Currently I am looking for a (preferably rather compact circuit) that will test whether a certain signal has been on for X amount of seconds. Just get a Pulse Length Detector, you might say. Only ...
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1answer
38 views

Activate clock only when command block output is true

I'm trying to activate a clock when a player looks south. I got the command for it, but when I try to make a comparator clock even if I'm not looking south the comparator clock is still going, so how ...
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3answers
725 views

How do I use the /kill command to ONLY kill mobs?

I have a Redstone Power loop that connects to a Command Block that is set to kill all entities except for myself (/kill @e[type=!Player]), because I'm building a creative map, but don't want slimes ...
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0answers
31 views

command to launch players into the sky? [closed]

I've been trying to find something for primed tnt on how far it'll launch you but I haven't found anything yet. I want to make a cannon that launches you into the sky and once you're at the peak, ...
2
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2answers
105 views

How can I /fill water?

I have a huge amount of area that i need to fill relative to the player's place. I tried typing /fill ~-80 69 ~-80 ~80 69 ~80 water which basically fills a 160x160 hole 1 block deep relative to the ...
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1answer
50 views

Add multiple commands to a single command block, and alternate with +/- redstone power

I am playing around with command blocks, and I just wanted to know if you could have multiple commands in one command block. If you can, is it possible to have one of the commands active when the ...
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1answer
87 views

Minecraft - Implement Random Access with Redstone

I'm trying to build a machine in Minecraft that will act similarly to an array. It will be implemented using physical blocks, not using a traditional redstone CPU type architecture of redstone signal ...
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2answers
31 views

Is there a way to set the rotation of an entity relative to another entity?

I want to make it so what ever direction I look a specified entity looks in that direction as well. Is there a way to do that?
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1answer
90 views

Place block in Minecraft with redstone?

I'd like to get ore, and place it (without command blocks) anywhere near the contraption. My question is could it be possible to do this, and if so how? Note: it does not matter on the timing the ...
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2answers
72 views

Creating Quests with Command Blocks: Problem Testing Unset Objectives

I've got a Realms server, and I'm trying to create a series of quests that people can complete to up their overall "Defender of the Realm" score. However, I only want them to be able complete each ...
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1answer
50 views

Playsound when a player leaves and area but not when they enter

I've got a sound paspawn and want to play it when people exit an area but not when they enter or teleport into it. The sound should only be played once. Thanks for the help.
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1answer
58 views

How can I detect if only one out of 8 lines of redstone is on and block the others from passing trough?

I have a (very) big redstone contraption used to store numbers for ALU's or minecraft computers. As of with most inventions, They get upgraded to preform better/get smaller from time to time, so to ...
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1answer
234 views

How do I teleport an armor stand to an item?

I am designing a redstone mini-game, and I need the game host to be able to set spawnpoints. I was thinking that the host would drop an item (say red wool) and an invisible armor stand named "Red" ...
2
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1answer
62 views

Getting a row of pistons to trigger

I have been trying to get an row of 7 pistons to fire when a block has been pushed in front of the middle one. Every technique I try is not firing them. This is a Cobblestone floor maker. Here is an ...
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1answer
242 views

How do I keep my hoppers from filling up when chests are full?

I'm not sure how to do this, but i believe it is possible. Basically, I want to know how to have a chest system, that when a chest is full, (no matter how many items there are per slot) the hopper ...
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2answers
107 views

How to reset a command block's status?

I'd like to use a comparator to act when e.g. a testforblock command block attached to a button triggers. But the comparator changes its state only when the button is pressed after the test result ...
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1answer
1k views

How to use the scoreboard command in minecraft 1.8.1

trying to give a score to an arrow as it hits the floor so i can have a lightning bolt hit it when it hits the floor.All help appreciated.
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2answers
82 views

How to run commands depending on players scoreboard?

How can I teleport players based on their score on the scoreboard? For example, only if there scoreboard score is 1.
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2answers
100 views

redstone problems

I have several Redstone contraptions on my map, but while trying to build another, I'm having problems with pistons deploying once and getting stuck deployed, even when power is removed. they will not ...
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2answers
441 views

Using a command to replace wool blocks with command blocks which contain a command

I am trying to replace certain blocks in this case lime wool with a command block that contains a certain command. The following command to replace lime blocks with stone works. /fill ~-15 ~0 ...
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2answers
80 views

Testing for a block in a certain radius

I am making an arrow that explodes when it hits anything, but I need a way to testfor all blocks within a radius of 2 blocks to see if they're air or not. The only problem is, I dont know how.
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1answer
141 views

How to make a chest open with redstone or command

I have Minecraft 1.8.1 in creative mode and I would like to make a chest open visually, using redstone or commands, without touching it.
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1answer
248 views

How do I teleport a player to another entity while changing the player's rotation?

I want to be able to teleport to an entity but keep my original rotation? I tried /tp @p @e[type=ArmorStand] ~ ~. I have looked everywhere and tested even the most stupid lines of code, in hope I'd ...
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1answer
83 views

How do I set up a scorebord variable to act as a bool and later test for it

I am making a capture the point map in minecraft in which two teams are capturing points. I intended a capture point that switches color every time a redstone pulse is supplied. now i have a problem ...
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2answers
152 views

execute command setblock

Ok so when you throw a snowball I have /execute @e[type=Snowball] /setblock ~ ~-1 ~ minecraft:ice' So this makes an ice path following under the snowball. I had some code something like this and ...
2
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1answer
498 views

Clear item with custom name?

How do you clear 1 item from the inventory that has a custom name? What I'm trying to do is make a torch that when you hold it, it gives you Night Vision effect but after like 400 ticks or so I want ...
2
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2answers
563 views

Trail of particles from a point to TNT

I have a map where I spawn Primed TNT then teleport it to a random Mushroom Cow which is invisible to make 100% random explosion. Now I want to make a particle trail from an orb kind of block in the ...
3
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1answer
239 views

Automated Crop Farming

I am wondering how would I automate this underground farm so I can flick a lever and have it all collected by water like for Sugar Cane and Wheat or Pistons for say Pumpkins or Melons.
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1answer
422 views

Minecraft; How can you use command blocks to detect player levels? [duplicate]

I'm trying to work on redstone works with a new adventure map, how can I make command blocks detect player levels? That's my main question, the rest I know how to work out but here's the purpose ...
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1answer
130 views

Check if a player is blocking

Is is possible to check if a player is blocking? If so, how is it done? It didn't have any stat that seemed right on the wiki, and I didn't see one when I hit tab on "/scoreboard add derp". Thanks for ...
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2answers
272 views

How do I replace the non-air blocks in a 5x5x5 area?

Is it possible for me to replace all non-air with stone blocks in a 5x5x5 box around where I am having the command executed? What is the command to do this? Note: I believe that I can do it by ...
0
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1answer
510 views

Trigger command blocks remotely?

I am currently working on a minigame, and I am trying to remotely trigger command blocks. Is there any way to use a lever and a command block to activate another command block 4K blocks away? For ...
2
votes
1answer
100 views

How do I check if a player has eaten rotten flesh in minecraft?

I'm working on a illness thing, and I need to make it so it checks if a player has eaten some rotten flesh then gives the player infinite hunger.
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1answer
222 views

Minecraft /testfor problem

I have another problem with my Minecraft PvP map. I'm trying to set up a command block that checks when a player is standing on a block and if so it will give them jump boost so I used this command ...
2
votes
1answer
452 views

Only allow certain blocks to be broken with mining fatigue

I want to make sure players cant break any blocks but wheat, while they have the mining fatigue effect. Is there a way to detect if they are trying to break the wheat or is there a way to only allow ...
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1answer
732 views

In Minecraft, how much is a redstone repeater tick?

In Minecraft, there are these redstone repeaters that look like this. How much is one tick? Is 2 2x longer, how much?
0
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1answer
1k views

Minecraft Mob-Spawning in vanilla 1.8 server [closed]

I am making my own server and I am trying to make mobs not spawn in a certain area, I can't do a /kill @e[type=!Player] command because I have armor stands! So I was wondering what you guys thought. I ...
0
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1answer
60 views

How to /setblock a specific type of redstone (Debug mode) | Minecraft

I've had a look at the new hidden world type on 1.8, and I've just wondered how to get a type of redstone that goes up in the north part of the square, and I want to use the /setblock command to ...
5
votes
1answer
253 views

How should I go about “reseting” a large arena?

For a minigame map I am making, I have a large (320*320*116) destructible arena. Players get explosives, blocks, etc. and the entire area can change. At the end of the match, I would like to restore ...
0
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1answer
227 views

How do you make people drop extra items on death?

As seen in this video: (Skip to 5:53) ...
2
votes
1answer
100 views

Test for birch log in Minecraft

How do i get my command block to test for a birch log in 1.8? What are the new item names? I have already tried names like birch_log, 17:2 log:2 and so on. Google is against me on this as well.
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2answers
899 views

How do I teleport players based on their teams?

I'm making a costum map which uses comandblocks to teleport players to a spot. The commandblocks are setup under two rooms. (One for team red players and one for team blue players). I need to teleport ...
0
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1answer
183 views

Minecraft command block order I need help in redstone

I would like to make a command block that when he found someone(testfor) in a specific condition (like, survival mode) a redstone signal will appear and activate another command block(the command ...
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1answer
114 views

How can I pulse one of several wires in Minecraft randomly?

My question is a bit familiar to How can I randomly power one of several wires in Minecraft?, but slightly different. Let's say I have 5 wires (or more), wire A, B, C, D and E. Now, I want to ...
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2answers
113 views

How do you combine two stats into one scoreboard objective?

I want to create a scoreboard objective for the amount of times a player falls 50 blocks, places a water bucket, and survives the fall. I only want the player to get a point if they manage to do all ...