Questions tagged [minecraft-redstone]

Questions about redstone contraptions and machinery in Minecraft. For command block contraptions, use the "minecraft-commands" tag instead. Always use this tag together with the "minecraft-java-edition", "minecraft-bedrock-edition" or "minecraft-legacy-console" tag.

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1answer
28 views

In minecraft, how do I construct a 4-bit comparator?

4-bit comparators are a basic building block in electronics, and useful in many redstone devices, in particular computers. I'm interested in a good overview of the construction this type of device. It ...
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0answers
46 views

How to make a randomiser in Minecraft

I am trying to make a button that after you click it a bit changes places, but I need this to be random. I also wish to do this with a 3 seconds timer for another project that uses the same mechanic. ...
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0answers
15 views

command timer on command blocks, kinda complicated [duplicate]

So, I want to be able press a button that fills a certain area ( using a command block), but I only want the command to run for fifteen seconds. I also want the command to not be able to be activated ...
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1answer
27 views

How to fill a space with a filled sign

I am trying to make a shop with items that get incresingly more expensive, problem is: How do i show the new price? this will not be in chat this will be on a sign that i play. does anyone know how to ...
22
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1answer
5k views

Why isn't my sorting system picking up eggs?

I've made an automatic sorting system from this design: ...and it works for everything, except eggs. When I try to place an egg in as the template item, it slips ...
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0answers
34 views

Automatic sorting system. (Hoppers moves 64 blocks, instead of 1 at the time)

I'm playing on a server where hoppers move one stack of items at a time, instead of just 1 item. I want to make a sorting system, but because of changes to hopper mechanics, normal sorting systems don'...
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3answers
129 views

How do you turn off a redstone torch?

As seen in many videos, the redstone torch can be switched on: and off: (pic found in web) How do I achieve the second one?
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1answer
48 views

how to check if a block is there and if so emit a redstone signal in Minecraft 1.12.2 vanilla

im trying to make it so a command block emits a redstone signal if a block is there. im trying to do this in Minecraft 1.12.2.
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1answer
81 views

Why won't my item sorter work?

I created two item sorters to demonstrate this problem. One has hoppers directly underneath the water stream, like so: Key: I = Ice, H(arrow) = Hopper facing in arrow's direction, H = Down Hopper, W =...
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1answer
3k views

How does a redstone pulse generator work?

I'm looking at a simple circuit breaker pulse generator such as this one: found in the Minecraft Wiki page. I can duplicate the circuit, and it works exactly as described; push a button or move a ...
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1answer
54 views

Which blocks are soft powered?

In this image, which blocks are soft powered? I want to say "all rightmost cobblestone blocks and the redstone lamp", but a redstone torch hanging on a soft powered block should always be ...
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1answer
91 views

Why is this redstone dust not powered?

The redstone lamp is powered, it seems, because it is lit. Then the cobblestone block in the middle should be powered as well with the same logic, but it seems it is not powered because the redstone ...
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1answer
42 views

Pistons do not push unless not side-by-side

I’ve gotten into building traps, XP & Resource farms, and secret escapes lately, and pistons are helping a lot. But I have run into a problem. I dug this moat around my house and designed a secret ...
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1answer
67 views

How to create compact “silent” 1-time use redstone trigger?

Background I've recently found how to create a 1-time use trigger using a piston (must be pointing up) which pushes a redstone block: The piston was too loud, so I'm currently using a hopper with 1 ...
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1answer
51 views

How can I make a fast RAM output bus with no moving parts?

I'm currently creating a CPU in Minecraft just to prove to myself that I can. As part of it, I have 16 bytes of RAM, made with vertical one-block-wide tileable RS-NOR latches. I currently have this (...
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2answers
322 views

How do i make a command block delay in minecraft 1.16 [duplicate]

I have tried multiple things that were used in earlier versions but they no longer work as commands have changed a lot so I was wondering how I can delay them for my adventure map
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2answers
68 views

redstone item splitter drops all items into 1 hopper

I am trying to replicate this design. So far, I am making a copy of it, block to block, in my survival and creative worlds. They both lead to 1 result - all items are getting sent to 1 channel. In his ...
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2answers
64 views

Is it possible to make a “hot bar timer”?

Is it possible to make a hot bar timer while only using minimal resources and command blocks? If so, how would you do it? My aim here is for a compact, and precise timer above your hot bar that you ...
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0answers
39 views

Repeater powers the rail but cart is not starting [duplicate]

I'm having some problem with the start system for a cart based on repeater and powered rails combo. Basically I can see that they are getting power but the cart doesn't move at all, when it's parked ...
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2answers
240 views

Which changes from updates will break (semi-)automated farms when upgrading from 1.8.8 to 1.16.1+ in Minecraft Java Edition?

Background Me and some friends have been playing Minecraft since around 1.1, we started our current world at 1.2 which initially was SMP but we later moved it to SSP with LAN host. Back in the days we ...
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1answer
123 views

How can I make a “cascading light” effect in Minecraft?

I'm not sure what exactly the term for what I'm trying to do is, but I will refer to what I am trying to do as a "cascading light" effect (a light that looks like it's going "downwards&...
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0answers
58 views

Minecraft fractional redstone ticks

What happens when I run a pulse of length 1.5 through a repeater set to default (1 tick delay)? The 1.5 tick pulse is the result of a piston extension. I would expect the resultant pulse length to be ...
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3answers
491 views

How to lock a hopper once it has picked up an item?

I have 6 shulker boxes in a dispenser, they travel by hopper down a line of dispensers they can end up in, I want to have 1 end up in each of the 6 dispensers, so if I run a hopper line across all the ...
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1answer
62 views

How do I redirect items to fill one column of chests at a time?

I have an iron golem spawner farm. This is how it's set up: (it extends about 30 blocks, this is just a model) I want to redirect items to fill one column of chests at a time so that one column of ...
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1answer
51 views

How can I generate an output from one in 6 possibilities with vanilla redstone? [duplicate]

I'm trying to be able to hit a button, and 5 out of 6 times have nothing happen, but on the 1 out of 6 time, I want it to give a pulse output. This is to make a Russian roulette game, I'd like the ...
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1answer
210 views

Build a flush 1x2 piston door in Minecraft Bedrock Edition

I am trying to build a flush piston door in Minecraft Bedrock Edition. I have two sticky pistons stacked on top of each other that are facing right, two more sticky pistons facing toward the player ...
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3answers
94 views

How to enable redstone wiring with a flick of a lever?

I'm looking for a solution to enable redstone wiring (completing a circuit) by flicking a lever. If you don't know what I'm asking for, imagine that sticky pistons could push redstone dust, and ...
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2answers
240 views

Is there a redstone device that can gather lava buckets hands off?

My nether portal is a stone throw away from a lava lake. I've been using a crab load of buckets to keep my furnaces running for building materials. I'm trying to cut the work down and not run around ...
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1answer
57 views

How can I make a piston expand on a delay, but contract immediately?

So my circuit is very simple: It's a lever, with an on or off state. I have a set of pistons with a small delay using repeaters, but I need these pistons to close immediately after the circuit goes ...
4
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3answers
723 views

How to deactivate a hopper without activating a dropper directly below?

I am creating a redstone system that has a dropper facing upwards into a hopper that in turn points back down into the dropper. My goal is to be able to lock the top hopper by powering it with ...
4
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1answer
77 views

How to power a dispenser without powering a hopper below?

How can I power that dispenser in the picture without stopping the hopper from transferring items at the same time?
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1answer
272 views

What is overflow protection, and how can I build a simple yet effective overflow protection “unit” for an item filter in Minecraft?

I've been messing around with redstone and decided to build a multi-item automatic sorting system (Minecraft vanilla, 1.14.4). I'm not a redstone wizard, so I had to build it off of a fantastic guide ...
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2answers
79 views

Fastest item dispensing solution in the game?

My mob farm produces a lot of items that I need dispensed (double chests and double chests full) and I want to be able to automatically dispense them by flicking a lever. Right now I have four ...
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0answers
92 views

How do I make hopper to push only one item?

first of all I know there are some topics on this issue already, but none of them actually answers my question. Im building a simple trade machine. Lets say you throw 1 iron ingot into the hopper, ...
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1answer
37 views

How to make this redstone circuit that displays a Minecraft creeper face using pistons if the lever is set to its on position thinner? ]

This question is copied from another. This is posted as a duplicate but for Bedrock Edition users, for the benefit of the readers. View the original question here. I do not own the idea for the ...
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1answer
56 views

How to make this redstone circuit that displays a Minecraft creeper face using pistons if the lever is set to its on position thinner?

I've made a redstone circuit that displays a Minecraft creeper face using pistons if the lever is set to its on position, but would like the circuit to be thinner. I've tried such methods as using ...
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2answers
145 views

How do I create an RS-NOR latch with a toggle input in addition to the standard “On” and “Off” buttons? [JAVA EDITION]

Upon request from multiple moderators/experts, this question has been split into two identical questions, one for each of the two main versions of Minecraft. This question is for solutions for Java ...
3
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2answers
157 views

How do I create an RS-NOR latch with a toggle input in addition to the standard “On” and “Off” buttons? [BEDROCK EDITION]

Upon request from moderators/experts, this question has been split into two questions, one for each of the main editions of Minecraft. If you have an answer for Java Edition, please post it here. I ...
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1answer
108 views

Is it possible to increase the TPS on a a paper server to make red stone computation faster?

Can I increase a Minecraft servers TPS to make computational redstone faster.
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0answers
27 views

Efficient Binary Decoder Help

I am working on a calculator. After the input is decoded into binary and passes through the adders, it needs to be decoded in a form that the visual display can recognize. The only way I have thought ...
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2answers
93 views

How long does it take a hopper to deposit ONE item into a chest?

How many in-game ticks or real life time does it take a hopper to deposit ONE item into a chest?
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0answers
99 views

Why does my Minecraft Hopper not put its first item in a brewing stand? [closed]

I am making an automatic brewing stand in Hypixel Skyblock. When I click the button to make all the items go into the hopper that feeds onto the brewing stand it goes in the correct order (nether wart,...
2
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1answer
181 views

How do I force players off a rail when dismounting a minecart?

I am creating a transport rail system (mini metro) for players in Minecraft Bedrock Edition. The minecart are perpetually in a one-way motion due to powered rails along the track. Each station has a ...
3
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0answers
63 views

How can I sort items on a server that has increased hopper speed?

I'm playing Minecraft on a server that has tweaked the Hopper speed to be faster. No matter what size is, the stack still goes through. The reason for this speed tweak is a plugin the server has for ...
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4answers
172 views

Redstone circuit that activates from two inputs, but only requires one input to stay on

I want to build a circuit that has a single output from two inputs. The output can be activated when both inputs are true, but once activated it will maintain its state while either input is true. ...
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1answer
600 views

What are the mechanics behind the 1.14.4 AFK fishing farm?

I want to know how the AFK fish farm works. I know that the hopper carries the fished item into the chest, and that the trapdoor is opened by the pressure plate. But, I would like to know how the ...
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3answers
428 views

How do I connect a hopper and dropper so my dropper will drop something when I put an item in the hopper?

So I’m trying to connect my dropper and hopper so that my hopper will accept something then at the same time, my dropper will drop something when I place that item in the hopper.
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3answers
176 views

Cut redstone circuit when a signal is sent

I have a simple thing to do : whenever a minecart is on a Detector rail it triggers a piston to block it, and when another signal is thrown by any source, the redstone circuit is cut and the piston ...
4
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1answer
179 views

Minecraft 2x3 flush block swap - no observer blocks

I need help with building a 2x3 block swap without using observers or comparators, in java edition (1.15.2). 1x1 floor swap (functional) 1x1 wall swap (functional) I need to build this on a server ...
2
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0answers
26 views

How to teleport an entity behind the player? [duplicate]

I'm creating a Redstone contraption that involves teleporting an armour stand directly behind the player, regardless of rotation or position. I can't find anything online that helps with my problem. I'...

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