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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What is the purpose of a D Flip-Flop in Minecraft?

Based on the design of the circuit and on the description, what is its purpose? It says that it transfers the state of D to Q. This means it can store one bit. But what is the purpose of a D ...
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30 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 ...
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4answers
161 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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808 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 ...
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1answer
4k views

How do I reverse the redstone door so it starts in close position?

I'm trying to make a hidden door in Minecraft. I have pressure plates set up to open the door, but since the door starts in open mode, when I use the pressure plates, it closes and then opens. How do ...
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602 views

Confusion on Redstone Wire Transmission

According to the wiki on Redstone Circuits: Redstone Wire powers itself, the block below it, or the block it is pointing to. I'm having trouble understanding what this is saying. According to the ...
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1k views

How to destroy a chest using redstone in minecraft?

I am acquiring emeralds. I am having the issue that if I destroy 4 double chests of paper at my location with a pickax, I can't run through it all (i.e. exchange the paper for emeralds) in time ...
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44 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 ...
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2answers
3k views

Is there a way to place a command block with a command in a chest and/or dispenser?

I'm in the new snapshot and trying to make a random TP out of a dispenser and command blocks just like SethBling in his snapshot video just with the difference that I want to place the dispenser with ...
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3k views

Can I configure a Redstone Energy Cell to emit a redstone signal if it is full?

I have Magmatic Engines powering a Redstone Energy Cell. Is there a way to configure the cell to emit a redstone signal once it's full, so I can use said signal to rurn off my engines so they dont ...
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131 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?
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191 views

How can I change the outputs from two different wires to the same state (on/off) using one input, regardless of the previous states of the two wires?

So, I've set up two traps near my base, hooked up to pressure plates.Inside each trap, I have some sticky pistons with blocks attached, such that when extended (turned on) no power reaches the various ...
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922 views

In Minecraft, what is the most space-efficient way to construct AND and OR Redstone gates?

With Redstone you can create wiring and circuitry. Using this, it is possible to create complex devices and even "programs". Unfortunately, the size of such projects usually tends to be massive in ...
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1answer
76 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 ...
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174 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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1answer
2k views

How to test for time of day with command block in Minecraft

I'm trying to setup something similar to the MindCrack team's current server set up for my single player world so that the world border expands slowly as I play the game. I already know how to work ...
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1answer
128 views

Can I shrink this three-pulse-generating circuit?

I guess what I'm after here is a code review for my redstone. I've set up a circuit so that when I press a button, 3 items get dispensed from a dispenser, but it seems rather large. Can anyone ...
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401 views

Inflict damage when player is hit by minecart

Is it possible to test when a player gets hit by a minecart, then inflict damage on the person hit by the minecart based on the speed of the minecart? If testing for the speed of the minecart isn't ...
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253 views

Easy redstone memory

I want to make a simple one-bit storage to check if someone else entered my house. For the person detector, I use the magic plate from thaumcraft. But how can I build a circuit memory which changes ...
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2answers
142 views

How can I null the output of this circuit when a switch is activated?

Specifically, how would I cancel the redstone signal going to the stone block? What type of logic gate would I need? I want to be able to active a switch on the right input (in the screenshot) that ...
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2answers
1k views

How many ticks must I use to get only one item through a hopper?

If I have a powered hopper with items in it, and I want to let one item through, how long do I have to un-power the hopper? 1 or 2 ticks? All I know is that a hopper transfers items at the rate of 2.5 ...
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687 views

How can I control a sequence of outputs via a single input?

Ok, so I'm making a map which needs a level system. By level system I mean: Push the button first time,output A lights up. Push the button second time,output B lights up. Push the button third ...
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323 views

What is the actual function of the third torch in the comparator?

I have heard different explanations for what the function of the third torch is in the comparator. But I have never gotten a definite answer for what the use is being able to right click on the ...
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76 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 ...
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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 ...
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116 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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66 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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3answers
172 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
489 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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168 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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119 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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119 views

Is there a logic gate for this?

I have a set of lights that turn on based on time of day. I want to be able to turn on a separate switch and have the lights blink on and off with a clock I've already built. So basically, is there a ...
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2answers
162 views

Need help with redstone logic memory cells

I need some advice if possible regarding making a memory cell, specifically what type of memory cell I should look at employing. I assume I want a T-Flip-Flop but I'm not too sure. Basically the ...
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3answers
695 views

How to build a two bit binary to decimal decoder using Redstone?

This is the logic circuit i want to create in Minecraft Can anyone make one for me because the one I am making is having lots of problems and is too messy. Redstone signals get jammed and they stay ...
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406 views

How can I make a clock with pistons in Minecraft?

I've been wanting to know how to make a piston clock in Minecraft. I've seen them before, but I don't have a clue how they are made. Is there an easy tutorial or something that I can follow? How can I ...
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55 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, ...
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2answers
254 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 ...
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1k 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 ...
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53 views

“Refilling” items in a chest [duplicate]

Let's say that I have 3 chests, each containing one of these items: A full set of armour (Leather, White Stained) A Named Lever A Named and Enchanted (Unbreakable) Bow. How can I "restock" these ...
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2answers
2k views

Efficient design for a self regulating villager breeder?

I'm playing on a SMP server and would like to begin a villager trading industry. I've looked at lots of designs for villager breeders that can be started easily (no nearby villages, so I'll have to ...
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30 views

Telling if a Redstone Energy Cell is full -Recent Tekkit- [duplicate]

Is there any way to tell if a Redstone Energy Cell is full in the Galacticraft version of Tekkit? Any form of emitting a redstone signal when it is full to turn off my engines would be great.
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62 views

How do I make a 1 minute delay circuit? [duplicate]

I am trying to make a circuit with a delay of 600 ticks. I looked this up on the Minecraft wiki and found the following diagram: However, when I tried it, I couldn't get it to work. How can I make ...
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2answers
381 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 ...
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1answer
179 views

My wooden pressure plates aren't deactivating

Ever since the 1.6.2 update, if something activates a wooden Pressure Plate it will stay activated. It only happens on one world, and even then only in 2 chunks (my HUGE survival world). Is there a ...
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685 views

Redstone door lock (memory cell)

I want to make a pvp map which has 2 spawnpoints on the map. The spawnpoints are closed off with an iron door. The teams can both get ready by flipping a lever. Now i want to make it so when both ...
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99 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, ...
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2answers
84 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 ...
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5answers
6k views

How to make a command block say something only once in Minecraft?

I am creating an adventure map and needed to know how to make a command block only say something once in the chat menu. PS: I would like this to be under my floor because it is supposed to be an NPC ...
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2answers
599 views

How can I make Redstone respond to a player having no money in their account?

I am building a gambling machine on a Bukkit server with the Vault plugin, and I would like to do an error check. When the player wants to play the game, they need to have X dollars in their bank ...