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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41 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 ...
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1answer
30 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
47 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
0answers
52 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 ...
0
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2answers
29 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 ...
1
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0answers
51 views

Why Won't This Work?

I'm trying to make an RPG adventure where the player can interact with different stuff. For example, if he walks up to a crafting table, then this text should come up in chat: [Robert:] I wish there ...
0
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1answer
38 views

comparator problems

While I was playing with some redstone tried to make a money system to sell iron. However when I power the command block with a button, the comparator after it stays on. the command being run is: ...
-1
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1answer
41 views

How do I make redstone repeaters work?

I have tried to have redstone repeaters, to keep my redstone chain going, but it doesn't work. How do I make it work and why dosen't it work?
3
votes
1answer
31 views

Command Blocks and Redstone Comparators

So I am giving Command Blocks a first try and I've found that with the comparator you can make it so it perceives a player is near them (and of course if you use the [r=x] tag. The scenario I am ...
0
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1answer
32 views

How to set a command with a comand block?

I want to set a testfor commandblock. This is the command I want in the block: /testforblock 1998 10 657 glass. What is the setblock command to have this in a commandblock?
0
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2answers
65 views

Vanilla 1.8 detect new player

In vanilla 1.8 using command blocks, is it possible to change a player's spawn point after they first join a server? When a player first joins a server they are in location "A" When they press a ...
1
vote
1answer
78 views

Execute or Testfor a named dropped Item?

I have a contraption set up where if I drop a player head named Camera1 (it looked very much like a camera) a clock will find it and replace it with an armor stand that is also wearing the head. It ...
3
votes
1answer
86 views

Is it possible to make piston flying machine that bounces?

I allways dreamt about making a piston device that can push itself. Now, with the addition of slime blocks, my dreams came true. The only flaw of these machines is that they work until they hit some ...
0
votes
1answer
50 views

Is there any way to test if a Players inventory is not full in Minecraft (No Mods)

Is there any way to test if a player's inventory is not full (eg. atleast 1 empty slot anywhere in the inventory, not counting Armor Slots) with command blocks and whatnot? Update 2: I found /testfor ...
0
votes
2answers
80 views

Testfor block with custom name

Ok so what I'm doing is making "magic blocks" Whereas if you are standing on a specific block it gives you a potion effect like speed, instant health, strength, etc. The only problem is while trying ...
0
votes
1answer
57 views

Determine Minecraft item type from entity or inventory?

I have a dropper which can contain, of course, any items. Assuming I can already target this dropper in a command's target selector, how can I determine what item is in the first slot of its inventory ...
3
votes
1answer
54 views

How to create a display

I am trying to create a msg display for a friend in Minecraft. The display works with 2x2 "pixel". However, I cannot come up with a way to make the 2x2 pixel light up, in a repeatable, stackable ...
16
votes
2answers
166 views

How to make 20 minutes (1 day) delay?

I am getting tired of manually managing my chicken farm, so I have invented this automated design: The step from eggs to chicken is easy, and it's even simple to make it happen in batches - every ...
2
votes
1answer
53 views

Easy way to execute remote admin commands?

So I'm finishing up my survival games map, adding final touches and such, but... I need an easy way to execute remote admin commands, like setting my own gamemode to creative, starting the game, or ...
0
votes
2answers
75 views

Teleport a player to face an entity?

If I have an entity, is it possible to teleport that player to face the entity without teleporting the player to the entity (Just changing his rotation)? How could I accomplish this?
5
votes
1answer
54 views

How do I make the time between dispensers longer and random?

I have five dispensers shooting out chickens (it's for a minigame). I've been trying to figure out how to make them drop randomly and not so fast. The image below is my current set up... As you can ...
1
vote
1answer
47 views

How do I make a mob riding another mob and make the rider invisible?

I want to have an invisible blaze riding a bat so it looks like a bat is shooting fireballs. If I do /summon blaze ~ ~5 ~ {ActiveEffects:[{Id:14,Amplifier:1,Duration:999999,{Riding:{id:"Bat"}}}]}, it ...
0
votes
1answer
58 views

Can I make a redstone clock that detects certain words? [duplicate]

I made a vanilla minecraft server and I made a redstone clock attached to a command block with /testfor that detects players. Can I change the /testfor from detecting players to detecting certain ...
0
votes
1answer
56 views

How to place redstone using Command Blocks

I used this to place redstone: /setblock -624.5 244 -1692.5 redstone 0 replace It gives an error saying that there is no such thing as minecraft:redstone. I tried many different things and nothing ...
0
votes
1answer
32 views

How do I make the comparator work and then stop?

I made a redstone clock that involves a command block with /testfor and a comparator attached to it. Whenever the /testfor works, the comparator turns on, but completely.(meaning it does not turn off ...
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vote
3answers
156 views

How do I make a rain detector on Minecraft?

I am making a server and it rains alot. rain lags up my computer so every time this happens, I have to type in /toggledownfall. Is there a way to make a simple redstone creation that detects rain, ...
0
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2answers
77 views

How would I make a commandblock do setblock at a certain player

I was using setblock a lot and playing around with it, until I came with the idea, what if I could use setblock to make a game like Runner, from Mineplex, to make the blocks disappear when they run ...
0
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1answer
32 views

Coordinate of player standing on a certain block

Im new to mc commands and im building a parkour where if a player falls on a red wool that particular player needs to be teleported to the start of that level. the problem is that many players can be ...
0
votes
2answers
38 views

Minecraft: using scoreboards as varibles

In my minecraft map, I have a scoreboard, mainvars, that I made by running /scoreboard objectives add mainvars dummy, that has 1 player called var I made by running /scoreboard add players var ...
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4answers
222 views

How can I make an automatic cobblestone breaker?

Is there a way to break blocks with a redstone/piston system and then pick them up with a hopper in vanilla Minecraft. I want to make an automatic cobblestone breaker. I know that I can break sand, I ...
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2answers
171 views

How to put a redstone block in clock mode?

I saw this video by SethBling. (The video is caught up to the moment of my question) He says "Make sure these are in clock mode" what does he mean by clock mode?
-4
votes
1answer
104 views

How do I make a day/night automatic double door?

How do I make a double door which opens and closes depending on whether it's day or night?
0
votes
2answers
89 views

How do you activate different redstone currents each time?

For a map I'm making, there's a "Palm Reader", represented by a villager. When you throw a diamond into a nearby hopper, it gives you a fortune. Is there a way to activate different /say command ...
0
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0answers
20 views

Add to data on an item (firework) using entitydata

I would like to add data onto a firework (item entity) by using /entitydata, but whenever I use the command, it replaces what is there. Is there any way around this?
0
votes
2answers
57 views

how do I trigger a /setblock command without a /testfor?

In my map, the player goes to sleep, then wakes up and finds the windows are changed from regular panes to red ones stained with blood. But if I do /testfor, it will trigger whenever the player passes ...
0
votes
1answer
32 views

Why wont /testfor work?

I've been trying to do /testfor @a [r=5] for something, but it wont work! It just gives me an error message like "Data tag" something something "Unexpected "[" as first char." I've done the command ...
1
vote
1answer
99 views

Why is it when I do “/kill @e [type=!player]” in a command block I die?

I need this command to be able to reset my mini-game map, but I don't know how to do it! Am I doing it wrong?? I've found other websites that say its just like that, so I don't know what I'm doing ...
3
votes
2answers
285 views

What's wrong with my command? (might be me or a bug)

So I have this simple setup to show what the problem is: this command block checks for a quartz block above it: this one checks if the left command block's previous output is true: But then when ...
2
votes
2answers
100 views

RPG-esque Area Names on Entry in Minecraft

So the title command lets you put a fancy thing across people's screens like you might see in some RPG. I'd like to use this as a way to give names for areas in my adventure map- for example, they ...
3
votes
3answers
108 views

How to make a Pulse only activate on the second time activated?

I've hit a problem while making a map. I want one command block to activate on the the first pulse but another when I hit the button a second time. If there are any Redstone pros out here then could ...
0
votes
1answer
83 views

/testfor (Minecraft PC)

I've created a dummy objective, 'time' and have a 1 second repeater clock adding 1 to the score for @a every second. I then have a command block that will execute a /testfor to check when the score ...
1
vote
1answer
136 views

Detecting items in a Dropper

I am standing on a dropper facing upwards, with 64 stone blocks in the top-left slot, and I am running this command: /testforblock ~ ~-1 ~ dropper 1 {Items:[{Count:64,Slot:0,id:stone}]} but for ...
0
votes
1answer
54 views

make player inable to deal damage to someone minecraft

Ok so I made a mechanism where if you get hit, you get hit by lightning. However all the redstone freezes and stays on if you spam it. Because it test if you have stat.damageTaken and if it is 1 or ...
2
votes
1answer
65 views

Messing with Mob Equipment in Vanilla

I'm wondering if anyone knows of a way to equip a mob with an item that already exists using vanilla minecraft 1.8 commands. Specifically, if an Item entity is on the ground, is there a way to put ...
0
votes
2answers
189 views

Minecraft Redstone detecting players standing on a block in a radius!

So, basically, I need to make it so that if a player is standing on a block of black wool in a radius of 50 (from the contraption), it will kill them instantly. how is this possible, if at all? I ...
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votes
1answer
18 views

how to use score_-_min on effects

I'm trying to give effects to a player who is holding a certain sword using scoreboard objective but the command block literally just does absolutely nothing, it doesn't even give an output
2
votes
1answer
285 views

How do I spawn a Zombie with Armor

I want to make an adventure map with custom mobs, and I am unsure where to start. I want to spawn a Zombie with full leather armor and a Stone sword named Lv.1 Zombie. If you can just give me a ...
3
votes
1answer
83 views

What tick is right before 0? [duplicate]

I have tried using /time query daytime to find out an estimate but I am trying to make a redstone Calendar and I need to activate it right before daytime tick 0 so I can restart the Tick Counter. ...
1
vote
1answer
56 views

Minecraft piston door is only shut when lever is on, but how do I turn it off with another lever?

This is a frequent problem I've been having with the designs of some doors. Basically, the door, to be shut must have its redstone to be powered by a lever. So when I want to enter my house I must ...
0
votes
1answer
83 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 ...