Questions about redstone contraptions and machinery in Minecraft. For command block contraptions, use [tag:minecraft-commands] instead.

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1answer
42 views

'/testfor' a number more than 0

I am making a points shop for kills. I have the objectives money and kills. When I press a button, a command block tests for my kills (hopefully) above 0, and if that is a thing, it takes gives me one ...
3
votes
2answers
122 views

How to detect if a mob has been hit in minecraft with command blocks?

i am making a boss battle for my minecraft adventure map, and using a mob spawned with commands as the boss. When the mob gets hit, some command blocks will give the player a potion effect, but I ...
1
vote
1answer
102 views

Trouble wiring a double row of droppers

The problem seems simple enough. I want to power a double row of droppers. My idea was to redstone wire it this way: Take a double decker row of droppers, and run redstone across the top. ...
1
vote
1answer
59 views

Vertically stacked armor stands should have increasing scores, but don't

I'm trying to make a goalpost system for a custom map I'm designing. The idea is that a goalpost--consisting of a tall stack of iron bars--would have variable height, and at each block up and down the ...
1
vote
1answer
56 views

Kill all minecarts on a specific block

I am working on my "Minecart Elevator" and I need to kill all the minecarts on a specific block. I have tried many methods, but none of them work. There is no track below the minecarts. How should I ...
3
votes
1answer
38 views

What Specific Blocks are needed for Turing Completeness?

Let's say I want to make a shop with all the redstone components required for Turing-completeness. Since we know Minecraft is Turing-complete, what are the basic blocks required? Ex: Comparators might ...
2
votes
2answers
256 views

Minecraft 1.9 Data Tags changed?

Ok so I have this command here: /summon Item ~ ~1 ~ {Item:{id:spawn_egg,Damage:65,Count:32,tag:{display:{Name:"Destruction Pellet",Lore:["Place this item in a dispenser and power","to destroy the ...
5
votes
2answers
115 views

Trouble making a 5 x 6 wall of redstone lamps

I am trying to make a 5 high by 6 wide cube of redstone lamps to work all at once but I'm having issues getting them to work. They need to be wired so that you can turn them on and off with a clock. ...
1
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1answer
52 views

Rewarding Players On Kills

I am working on a Minecraft Map where whenever you kill another player your sword upgrades. I have tried doing /scoreboard players add @a[score_Kills=1] Kills 1 and /give @a[score_Kills=1] 283 but it ...
-2
votes
1answer
43 views

How to make scoreboard points

I am working on a Minecraft map where two teams have to get to the other side first. I want it to be that the first team to 3 points wins. Is there any way I can do this?
5
votes
2answers
284 views

How do I create unbreakable blocks?

I am creating a map on Minecraft, and I want the players to break certain blocks like trees, but I don't want them to break other blocks like stone bricks. Is there any command that can help me?
1
vote
1answer
192 views

How to award player on every kill in Minecraft using command blocks?

I want to award the players in my game with 2 cooked porkchops every time they kill another player. What I have tried so far, is setup one command block which gives every player with the killsloot ...
0
votes
1answer
29 views

How to execute different redstone circuits according to a scoreboard variable?

I have a scoreboard variable that counts a killstreak of a player. when a player uses his killstreak I want to preform different actions acording to his killstreak points(1-9) and the team(red-blue). ...
1
vote
1answer
159 views

How to change scoreboard score if player does not have item in his inventory?

I want to make a killstreak award system. for that I need to be able to make a player choose to use his killstreak points to get an ability/potion effect or open a certain gate. I wanted to make the ...
0
votes
0answers
31 views

minecraft take Nth item from chest

Hello I dont know if it is possible, but I wanted to ask how can take Nth item from chest? Like I have 7 items in chest in 7 slots and I want take the 4th. Hopper always takes the first one. Can you ...
1
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3answers
109 views

minecraft vanilla, shuffle chest

I am trying to make a game in vanilla minecraft, and I need to shuffle items in chest. To do that I made a dropper system that allows to shuffle 9 items (and multiples of 9). The problem is, that when ...
7
votes
3answers
518 views

Without mods, is it possible to filter items in hoppers/droppers/others?

I'm new to Minecraft, and finally out of my "build a log cabin and try not to die" phase. I just completed my second useful machine today, a dropper-vator from level 14, up to the top of a large(ish) ...
3
votes
1answer
262 views

How to /testfor 10 wheat [duplicate]

I am trying to /testfor 10 wheat anywhere in the players inventory. I have tried this command: testfor @a {SelectedItemSlot:0,Inventory:[{Count:10b­,id:minecraft:wheat}]} But it gives me this same ...
1
vote
1answer
245 views

Minecraft PE BUD switch

I am running the latest version of MCPE, so I don't have access to pistons, redstone repeaters, or redstone comparators. Is it possible to make a BUD switch?
0
votes
1answer
77 views

Minecraft: Increase Redstone Signal Without Delay

I want to increase (repeat) the signal of redstone, as the signal can only travel for 15 blocks without repeat, however using repeaters is not the solution, as repeaters have 1 tick of delay, which is ...
0
votes
1answer
40 views

How to trigger powered minecart?

I tried to trigger a powered minecart with dispenser and hopper, but no luck. How can I give coal to it with a push of a button?
-2
votes
1answer
45 views

Minecraft /testfor

My question is simple, How do I test for at least 2 items in an inventory. I don't want to test for exactly 2, I want at least two, so they have the ability to have more in their inventory and still ...
2
votes
2answers
61 views

Efficient way to power stacked rows of pistons?

How can I power two vertically stacked rows of pistons, hopefully with a minimal number of repeaters? I can get the bottom row powered with just a line of redstone on the gold blocks behind as shown, ...
1
vote
1answer
100 views

How can I generate a redstone signal without using redstone power components?

I'm trying to design some redstone puzzles that require unconventional solutions. Is there a way to generate a redstone signal that does not rely on any redstone power components? Two years ago I ...
0
votes
1answer
59 views

Hopper to trigger say command for each item inserted?

I have a hopper sorting system that is working but the issue is that I want it to trigger a command block per item. I have the command blocks setup and working but it only does it once per stack of ...
4
votes
3answers
151 views

Detect broken blocks that don't drop items

I'm trying to make certain aspects of survival more "painfully realistic" using command blocks. One of those things is that I'd like mining through stone (or other hard objects) with your bare hands ...
2
votes
1answer
57 views

Stop Wolves From Becoming Angry Through Walls

In a custom Minecraft map I'm making, I have a pet shop where you can spend points you've earned on the main map levels to "adopt" pets. This includes horses, cats, and dogs. That's all fine. However, ...
1
vote
1answer
57 views

Get all players that aren't on two teams?

Right now, I'm trying @a[team=!admin,team=!checkpoint] but it doesn't seem to be working... Any suggestions? To clarify, I want all players that are not on the team 'admin' nor 'checkpoint'. I'm ...
1
vote
1answer
62 views

Minecraft Testforblock Command doesn't Reply with Results

I swear I have done this perfectly, but for some reason it doesn't work. The coordinates are indeed correct, and it is a dropper so there's something in the NBT tag. It is a server, command blocks are ...
2
votes
1answer
93 views

Redstone Producer/Receiver

In Minecraft Pocket Edition, there was recently a new update including basic redstone contraptions. I have experimented around, but I can't find: What a Tripwire Hook does, and how it produces ...
-1
votes
1answer
90 views

How to /testforblock chest with items and blocks inside [duplicate]

It doesn't have to be specific, just items and blocks.
0
votes
1answer
46 views

Increasable and decreasable signal strengths - Minecraft

I want to be able to press a button to increase a signal's strength by 1 and press another button to decrease it by 1. I have thought about making 15 t flip-flops, but that sounds like a difficult way ...
7
votes
3answers
231 views

How do I build a 4x2 Piston Gate?

I have been searching the Internet searching for the solution, but I have yet to see it... Just to clarify I am NOT looking for... I want to solution to the following gate... The Gate is very ...
4
votes
1answer
274 views

minecraft /Testfor players looking at specific block?

Is there a /testfor command where if players looked at a certain block it will detect it?
5
votes
4answers
198 views

What is the point of delays on redstone repeaters?

I think that redstone in Minecraft is quite confusing, so I'm learning about it. Then I came across redstone repeaters. I read about them and it says they repeat signals and can delay ticks. What does ...
1
vote
2answers
332 views

How do I detect time in minecraft with a command? [duplicate]

This may be a duplicate, but I need help! I am creating a realistic zombie apocalypse map in minecraft. I want it to detect when the time is 0 and say what day it is. So help me! Tell me what commands ...
4
votes
2answers
359 views

Redstone circuits in spawn chunks in Minecraft SMP and no players online

I tried to search this question, but it seems to be rather specific. The problem I have is the following: We have a small SMP server in Minecraft and I set up an iron golem farm according to ...
2
votes
1answer
108 views

Test true if NO ArmorStand

The system I'm setting up is supposed to teleport players forward if an armorstand is within a radius, and down if there isn't one (to find a vacant area for the player). The commands are supposed to ...
0
votes
1answer
94 views

How do I add a “pet” particle to minecraft?

I'm trying to recreate the flame fairy from Mineplex, but I need a little help. I tried attaching a command block with: /execute @p[m=1] ~-1 ~ ~ particle flame ~ ~ ~ 10 100 10 0.5 1 to a redstone ...
3
votes
1answer
60 views

How do I do a /setblock for under a player?

I'm trying to make a vanilla spleef arena, with a redstone clock attached to a /setblock command. No matter how I tried, I could not get the command to set the block under the player air. this was the ...
2
votes
1answer
60 views

How to /testforblock in the overworld from the nether

Please watch the video first to have a better understanding of the question Now I already know how to do the setup for the chambers for both sides, but my problem is ...
1
vote
1answer
59 views

How do I do a tp rotation in minecraft 1.8?

Please help I never get my head rotated only body
2
votes
1answer
201 views

How do I make a clickable signs set a block?

I made a command where there is a clickable sign that teleports a player to spawn. Here is the command: /setblock ~ ~1 ~ minecraft:wall_sign 2 replace ...
2
votes
3answers
266 views

Can I make an invisible block which only people with a specific item can go through?

I am currently making a server, and I want to make an invisible block in which only people with a specific item can go through(in this case, a nametag called:key). Is there a command to do so? I am ...
0
votes
0answers
55 views

Piston is powered without redstone? [duplicate]

I have this problem with my redstone. Im trying to build a trapped chest piston trap, but 3 of the pistons will just not deactivate. it stays powered even when its not connected to anything. is there ...
0
votes
0answers
78 views

Turn based redstone system

I'm trying to build a map in Minecraft on PS3, so far I've build a redstone counter. You can select up to 4 players and the counter counts up which player has to play. But I have no idea how I can ...
3
votes
2answers
103 views

Minecraft, random number generator?

Does anyone know how to modify that random number generator, so that it will get only one lamp on? I can't use command blocks.
3
votes
2answers
191 views

why will my hopper not move items to the next hopper?

I have one hopper connected to the other, and the other to a chest. I know I have them connected correctly, because the second hopper deposits into the chest perfectly. However, items do not transfer ...
3
votes
2answers
196 views

How to detect if a command block is outputting a redstone comparator signal?

I want to make a pretty much redstone-less contraption, so I want to detect a command block's NBT data, so that when it gives out a comparator signal, another command block detects that and then does ...
1
vote
1answer
165 views

Is there any way I can ride blocks like they were horses?

I just made a resource pack with a 3D model of the "Swegway/IOHawk/PhunkeeDuck/Hoverboard"-thing. The texture I changed is the flower pot. Now im just wondering if I can somehow ride blocks (like the ...