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

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0answers
10 views

How do I choose the right cannon in minecraft factions? [on hold]

so I have a raid and I'm trying to get tnt onto someone's roof. But I've tried 4 cannon designs and they either fired too low, too high, too far, or too short. How do I choose a cannon that has the ...
0
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1answer
42 views

Minecraft: /setblock a playing jukebox

How do I setblock a playing jokebox in Minecraft? I need the command.
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0answers
23 views

How do you execute a command if you have the right score AND a certain mob is spawned [closed]

I'm using this command: /execute @e[type=Bat,name=ei,score_starteb_min=1] ~ ~ ~ /setblock ~ ~ ~ glass
0
votes
1answer
74 views

How to make a player drop an item when hit

I am making a game on Minecraft when someone starts holding one item. If they get hit by someone they lose the item, and it goes on until a timer finishes. How can I do this? I am still new to command ...
1
vote
0answers
58 views

Redstone circuit that activates on short pulse and does not activate on longer pulse

I made a circuit that activates on a long signal but I am missing one that activates on a short pulse and does not activate if the pulse time exceeds a certain pulse. Everything I made still activates ...
0
votes
2answers
63 views

Redstone repeater delay if activated

Can you make a lot of repeaters activate after 10 seconds of making sure it's really activated? Like, if there is a redstone current that lasts 5 seconds (It will deactivate after 5 seconds) then it ...
5
votes
1answer
59 views

Minecraft execute tellraw's clickEvent from original entity, not player

I'm using a command like this: /execute @e[type=ArmorStand] ~ ~ ~ tellraw @a[score_goto=-1] { "selector": "@e[type=ArmorStand,r=1]", "clickEvent": { "action": "run_command", ...
1
vote
1answer
70 views

Wireless Redstone Lamp without Command Blocks?

So I want to create a building that shows no Redstone. And one of the problem is the lighting. I really want to see if I could get a Redstone lamp float above ground by 1 block and be able to be ...
3
votes
1answer
46 views

System with multiple inputs, but when one is activated it disables the other inputs

I am currently working on a bank system. However, it cannot accept multiple inputs at the same time (through multiple ATMs). So I made it so that every ATM will output a signal when a user has ...
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0answers
33 views

How to make a scoreboard countdown

I am trying to make a countdown on Minecraft using the /scoreboard command, but I have been unsuccessful in doing so. Is there a way that I can do this? I have tried doing /scoreboard objectives add ...
1
vote
1answer
71 views

How can I build a redstone-powered vehicle?

I tried to build a redstone vehicle in Minecraft (vanilla), but my attempts proved futile. I tried to build it using pistons, wire and some pushable blocks, but it didn't work, because the wire breaks ...
2
votes
2answers
49 views

Disabling nether portal functionality

I need to know how to disable the nether portal from taking you into the nether, and instead, to tp you somewhere else in the overworld. Is it possible to do this on a commandblock or with redstone in ...
0
votes
1answer
38 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
40 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
84 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. ...
0
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0answers
30 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
31 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
29 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
1answer
61 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
103 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
vote
1answer
47 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 ...
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votes
1answer
37 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?
4
votes
2answers
157 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
88 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
24 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
56 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
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0answers
19 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
vote
3answers
76 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
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3answers
129 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
245 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
167 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
48 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
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1answer
37 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?
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1answer
40 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
39 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
77 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
37 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
95 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
42 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
47 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
43 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
82 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 ...
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1answer
57 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
42 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
204 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
165 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
175 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
134 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
170 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
76 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 ...