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

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0
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1answer
81 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
201 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 ...
3
votes
1answer
70 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
69 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
72 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
106 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
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1answer
121 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
49 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
290 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
410 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
211 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
570 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
441 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
124 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
116 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 ...
4
votes
1answer
66 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
66 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
75 views

How do I do a tp rotation in minecraft 1.8?

Please help I never get my head rotated only body
3
votes
1answer
274 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 {Text1:"{text:\"Start\",clickEvent:{action:...
2
votes
3answers
348 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
1answer
93 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
118 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
318 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
244 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
181 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 ...
2
votes
2answers
5k views

How do you clear all item drops in Minecraft?

How do you clear all item drops in Minecraft? I want to have something activated by an Item landing on a golden pressure plate, but It can only be activated once. Is there any command block command ...
0
votes
0answers
80 views

Minecraft 15w37a: Pistons not being pushed

I'm trying to make a bank for a "minecraft city." I use this technique that ACtennisAC used: The pistons are to "automatically" push the minecarts. However, whatever ...
2
votes
2answers
527 views

How do I use command blocks to make a mob arena in 1.8?

I've been wanting to make a mob arena map for about a day, but I don't know how. I know how to set up the shop and everything else, but I don't know how to spawn the mobs. A lot of people say, "Just ...
5
votes
1answer
386 views

Why remove redstone dust from my command block contraptions?

Whenever I show my command block contraptions to my friends, they always comment that I should remove the redstone dust from them. They say it causes lag and that redstone can be unpredictable, but I'...
2
votes
2answers
159 views

Setblock clock with scoreboard doesn't work in Minecraft

I've been trying some things with scoreboard lately and I always get to the point where I need to use the following commands. /scoreboard players set @a Holding 0 /scoreboard players set @a Holding 1 ...
-1
votes
1answer
108 views

Button interacting with trapdoor

I was making a chair that has trapdoors. I have a button that is supposed to power redstone behind a block but powers the trapdoor and the door of this chair. Tutorial: ...
3
votes
2answers
277 views

How can I get redstone working again?

I am making a huge zombie siege map with tons of redstone. Just recently, I tried to make a comparator clock to activate a command block. Instead, It only turns on and off about once or twice a second....
0
votes
1answer
105 views

Q. What is the most effective /testfor command?

Ok, I've tried many variants of /testforcommand and tried them in the lastest snapshot, 15w31c, to 1.8.6 and nothing works AT ALL. The list of commands I've tried: /testfor @p {Inventory:[{id:"...
1
vote
1answer
1k views

How do I make a command block output a Redstone signal when it is successful?

I want to know how to make a command block output a Redstone signal when it is successful.
1
vote
0answers
21 views

Greg's SGcraft stargate redstone issues

I am using Greg's SGcraft for minecraft 1.7.10, and the stargate is supposed to output a redstone signal when active. It does that, but when the gate turns off, the repeater stays active unless I ...
2
votes
1answer
104 views

How many ticks for stone to form

I've been playing with new designs for a stone generator, playing with how fast I can get it running. I'm trying a redstone clock / pulse shortener this time. Is the rate that lava flows in to ...
0
votes
1answer
51 views

How would I testfor players scoreboard amount in a specific location?

I have been trying to find a way to testfor a player with a score of 1 in a z.y.z.r location. what I've tried was /testfor @p[X,Y,Z,R,score_Var_min=1,score_Var=1] but it doesn't seem to want to work. ...
0
votes
2answers
329 views

Prevent hacking on Vanilla server

I have a vanilla minecraft server (1.8.7) and I've taken some measures to prevent hacking, but I still have people logging in and breaking stuff at spawn. Is there anything else that I can do to ...
4
votes
1answer
298 views

How can I detect if a person takes fall damage?

I am trying to make a command block creation that when you take fall damage, it gives you an effect. I am not using any of the methods that detect for air -1 meter of the player ( 1 , 2 ) because ...
0
votes
1answer
166 views

Using spreadplayers to tp them to armorstand in unloaded chunk

I'm making a new public server. Right now, I have a book with set home / go home / tp to Spawn functionality. The set home uses a trigger that places an invisible armor stand named Home (and deletes ...
0
votes
2answers
480 views

How to activate a lever with another lever?

I am trying to build a Wimpy in minecraft, and it uses a rail system to deliver food. I have two sides of the restaurant, but one rail switching between the two sides. A redstone torch doesnt work, so ...
1
vote
3answers
752 views

How can I make my far away command blocks work

I have command blocks on my adventure map, the map is partially parkour and has no ground just floating islands, I don't want people too see the command blocks so I put them 200 blocks away and they'...
4
votes
2answers
195 views

Most compact way to connect pressure plate and piston

I am trying to make a mob spawner trap with instant fall to lava lake. The actual thing I need to connect is (the block below piston isn't needed): I figured out double negation connection with ...
1
vote
1answer
134 views

Can you make retractable sticky pistons, while extended, in Minecraft?

I was wondering if there is a mod or something to allow sticky pistons that are extended to be pulled or pushed by other pistons? There must be a way to make this work, because trying to make a 4-...
3
votes
2answers
1k views

Why does extended piston become stuck if air above it is powered?

To reproduce this problem make layout like this and then power the piston. Once the piston is extended, removing the power source will not retract it: Since piston head block is transparent, I see ...
1
vote
1answer
326 views

Select player that does not have a specific score set

I want to select all players that do not have a specific scoreboard objective value set. I have tried doing testfor @a[score_hasJoined=] and testfor @a[score_hasJoined_min=], but it still won't work. ...
0
votes
1answer
75 views

Redstone NOR gate with one of two inputs adjacent to output

I have a design issue with creating a NOR gate. I have a sticky piston facing upwards and a block immediately to the side and one unit above it with a stone pressure plate on top of it. About 6 or 7 ...
2
votes
2answers
813 views

How to test for blocks within a certain radius of a player?

I'm trying to make a custom crafting system, but I'm not sure how to test for blocks within a radius of players, not command blocks. Specifically, I'm attempting to test if there is a dropper within ...
1
vote
2answers
215 views

Minecraft - Executing on an entity is not working

When I put in this command in a command block: /scoreboard players set @e[type=Item] PigProgress 1 {Item:{id:319}} It says: The dataTag does not match for c97c9605-6b59-44e8-bf24-aa2e46c9c746 ...