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Questions tagged [minecraft-redstone]

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

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4
votes
0answers
48 views

Why does parity of redstone wire length affect piston behavior?

Consider the following simple redstone contraption: The following can be reproduced in 1.14.* and 19w45b: If a button above a blue wool is pressed, the piston would extend, but not retract (unless ...
3
votes
1answer
33 views

Compact last in, first out redstone circuit

I am trying to make some 2x2 elevator doors for my piston elevator in minecraft and while I have all the mechanics in place I'm struggling to make the timing circuit right. Initial setup: doors ...
2
votes
2answers
89 views

Synchronize two redstone pulse inputs

I'm making a goldfarm in minecraft. I'm making an automatic collection system. I have a hopper minecart run in an unloading loop. I have an issue with the unloading loop. I want to use the same ...
3
votes
1answer
116 views

Why Ever Turn Off The Redstone Clock In This Mob Farm?

TL;DR: Is there a technical reason for ever turning off the Redstone "clock" in this mob farm design (single-player world)? In another Arqade question I posted earlier, I explained that I'm a ...
0
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1answer
73 views

2x2 double piston extender

I am currently working on my modern house, which has a staircase looking like the picture below It is about 10 Blocks wide, each step upwards is 2 blocks wide and only elevate the player by 0.5 block ...
0
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1answer
63 views

Mechanics of this observer stabilizer?

Wu Qiufeng built this observer stabilizer on Youtube yesterday. It looks really attractive and efficient but also confusing to me. Could someone tell me why the second ...
0
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0answers
24 views

Is there a way to make a read function for redstone computer ROM in MC Bedrock?

I have been creating a Redstone computer in Minecraft: Bedrock Edition. I have finished the ROM itself and the ROM master switch, but I need a read function that works like this: The master switch is ...
2
votes
2answers
90 views

Items in minecraft item filter stacking

I recently built myself an item sorter in my Minecraft survival world. Upon completion, however, I discovered that the items in the hopper named 'placeholder' were stacking inside the hopper which ...
4
votes
1answer
122 views

How can I make a Redstone elevator in Minecraft Java Edition?

I just finished my Ultimate Survival Home but the problem is that I have used the staircase/ladder to move through the floors - I have 12 floor, so it's annoying to walk that far. That's why I have ...
0
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1answer
41 views

How do I make a logic gate that takes 4 input and gives and output if only one is powered?

How can I make a red_stone logic gate/gates that takes in 4 inputs but only gives an output when 1 of them is powered.
2
votes
2answers
60 views

How could I take multiple outputs and output the leftmost output?

I know that sounds very confusing, but I have a few examples. I want it so that I can flick something like 3 levers and have the output be the leftmost one. If I flicked the first two, the middle ...
1
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2answers
98 views

Selective hopper minecart unloading

I have a 1.14 automatic wheat farm that involves a hopper minecart picking up wheat under a field of villagers. However, I only want to collect the wheat and leave the seeds so that the villagers can ...
1
vote
1answer
42 views

How can I make a command that puts an output when an entity count is above a certain number? [duplicate]

I need an execute command that outputs as 'true' when the number of Iron Ingots on the ground is above 100. I have attempted this in the only two ways I could think of, and so far neither have been ...
2
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1answer
133 views

Is there a two way flying machine that is faster than minecarts?

I thought of building a sort of subway but I was kind of bored of the regular walking, minecarts, and boats on ice. So I remembered flying machines. Is there a two-way design that is actually faster ...
-4
votes
1answer
108 views

Minecraft bedwars map

I am making a minecraft bed-wars map but I need some help. I need a redstone device that counts diamonds. Every four diamonds it should upgrade the iron and gold generators. (Iron spawns 4 times ...
4
votes
1answer
112 views

Implications of pistons on farmland in 19W37A

As stated in Minecraft Snapshot 19W37A change notes: Blocks that can be manually placed on farmland can now also be pushed onto it by a piston without destroying the farmland What are the ...
3
votes
1answer
85 views

My pistons will not move unless I change the delay of a repeater

Title. Not sure why this is happening, but I can only make the piston move if I change the delay of a repeater by clicking on it. I am trying to use this with a bubble column elevator, So I can't ...
6
votes
1answer
533 views

Powering an offset stacked array of pistons

I'm attempting to power an array of pistons as shown. I've had a look around and can't find anything similar to my issue. I've tried repeaters in various setups but to no avail. I would use levers but ...
3
votes
2answers
468 views

How do I send a redstone signal strait down without dust?

Is there any way to carry a redstone signal vertically downwards without using redstone dust, and the signal carrying system to have the dimensions of 1×n blocks? EDIT: The reason that I cant use ...
0
votes
1answer
100 views

Why does this redstone pulser circuit produce this result?

I was playing around with a self-referential comparator pulser and came across something I don't understand. In short, it's a comparator in subtraction mode, with the output of the comparator fed ...
-1
votes
1answer
38 views

How to make a block swapper fire twice?

How do I make my block swapper fire once (changing the block) then after a certain amount of timer change back to the original blocks. My block swapper can be seen here:
1
vote
1answer
41 views

Armable/disarmable dispenser traps in minecraft

I am building an automated castle gatehouse in minecraft featuring a corridor between two openable/closable doors where arrows will shoot anyone in the corridor; that can also be disarmed. here is a ...
1
vote
1answer
41 views

How to detect if an arrow hits certain coordinates in 1.14

I am making a puzzle map where the player has to hit some Redstone lamps with an arrow and then they will light up. How do I detect if an arrow has hit some certain coordinates instead of a certain ...
1
vote
1answer
118 views

Can a minecart junction automatically configure based on something chosen in the originating station without command blocks?

I've been building a somewhat large rail system and have started adding 3-way and 4-way junctions with redstone buttons to select the next direction and propel the minecart along. But that requires ...
3
votes
1answer
137 views

Why does this rising-edge detector fail when connected to this t flip-flop?

This is for the Minecraft Bedrock edition (on Xbox One). I've built a simple redstone circuit that combines a t flip-flop using repeater-locking based on this design and a rising-edge detector based ...
0
votes
2answers
152 views

How to create a delay in Minecraft without repeaters? [duplicate]

I am trying to make a delay of 1 minute in a redstone circuit. That would require 600 ticks. That s a lot of repeaters going to be used. Is there other ways of getting a 1 minute (or even longer) ...
9
votes
3answers
3k views

How to halve redstone signal strength?

I'd like the output signal to be half the input signal strength. I was able to use the 'lookup table' approach, which can convert pretty much any input to any output, but is bulky, noisy, somewhat ...
0
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1answer
95 views

Does the iron weighted pressure plate work under blocks. If not? How can i get it to work?

I`m trying to make a really secret base on a friend's realm but i have no idea how to make an item be thrown and a piston revealing the base. Can someone help?
-1
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1answer
68 views

Is there a command block command, or something to do with redstone that activates randomly? [duplicate]

i'm trying to create a redstone game that a has component that has to be random, and i was wondering, if there is a command block command, that when the command block is activated, has a 50% chance of ...
0
votes
0answers
39 views

How can I take a certain amount of items from a chest using a hopper in Minecraft?

I am making a Nether wart farm with Redstone++'s capability to dispense seeds, saplings, nether warts and actually plant them. The farm works and automatically harvests and plants the nether wart. All ...
1
vote
1answer
97 views

Why does this slime block auto-harvester work?

I stumbled across this design by accident while trying to build a more complicated one. When the bamboo grows, the sticky piston extends, breaks the crop into drops, and the system resets and waits ...
1
vote
1answer
121 views

Observer behavior in Minecraft version 1.11

I'm playing Minecraft: Java Edition, 1.11 on PC. The reason I'm playing this version is because of the lack of OptiFine releases for the current version. My question is concerning the behavior of ...
2
votes
1answer
303 views

Why won't my piston push?

I'm in version 1.14.4pre-6 and have average redstone skills, so this is my player conveyor belt design, and this piston won't turn on. It works when I update it, but I don't see why I have to with ...
1
vote
1answer
59 views

How to get a high, neutral and low signal from a comparator read single chest within the space of a single stack of items?

I am trying to both take items out of a chest and put the same type of item into the chest so that it will always have less than a full stack of the item but never run out of it either. For this I am ...
-1
votes
2answers
331 views

How to make a 2x3 piston door?

The idea is just a regular, somewhat compact 2x3 redstone door with the sticky pistons and all, but it seems improbable to have it so that when it opens up, the three levels open at a separate ...
3
votes
1answer
54 views

Max Block Height for a Redstone Contraption

What's the max height of blocks for a redstone contraption to still work even I'm in the surface below? Like if I build a pillar to the max height of blocks and build a redstone contraption there, is ...
1
vote
1answer
74 views

Using this lever puzzle, how would I make my piston door turn OFF when the puzzle is correct? [MC1.14.2]

Basically, I am making a beta design for a security mechanism which I will use in a survival server. I want to make it so that when the puzzle is completed, it will turn OFF rather than ON. Therefore, ...
1
vote
1answer
2k views

Observer block never working in minecraft

The observer block was introduced a while back, and I was never able to make it work. Now, I saw someone do a tutorial on how to observer blocks, and for me the observer would never send block updates ...
5
votes
1answer
326 views

Chunks and Redstone

I'm relatively new to Minecraft but I'm having trouble finding a straightforward solution to my problem. I've built a minecart track about 479 blocks long in a straight line. I placed redstone ...
3
votes
1answer
621 views

What are the rules/range for chunk loading in single player?

I wanted to try testing some contraptions in relation to my previous question. In my test world (superflat, 1.13.2, single player) I created a redstone line that starts with a lever, goes east about ...
3
votes
1answer
125 views

Resume redstone signal transfer as chunks load

Considering that vanilla methods of chunkloading since 1.13 got between impossible and very cumbersome, I'd like a more 'poor man's' method to transfer a signal: I want redstone signal to reach the ...
1
vote
1answer
158 views

How can I make a power rail inactive when it's next to an active one?

I'm building a Minecart track. In order for it to work correctly, I need the minecart to stop in the middle of the track, and the best way to do that is to use a power rail that is not receiving a ...
0
votes
0answers
19 views

Constant Minecraft teleportation [duplicate]

I was trying to make a little minigame for some friends that teleports them to an arena location and puts them in adventure mode once they step on a pressure plate but I somehow managed to make a ...
2
votes
1answer
253 views

Item sorter with multiple items per tick

General Info I'm playing on a server where they modified the hoppers to pass 8 items per tick instead of 1. The system I want to build I'm working on a casino game. User tosses 1 item into a hopper. ...
-2
votes
2answers
171 views

Minecraft Redstone Timer

can anyone help me with this, I'm trying to make a zombie pigman grinder(with spawner not in the nether). I'm going to make it so they get crushed to death by blocks. But what I need help is with the ...
2
votes
1answer
307 views

How to summon an item frame facing a specific direction in Minecraft?

I am working on a map and I need to summon an item frame in a specific place. I'm using the command: /summon item_frame -1242 58 219 but "it is on the ground" and I need it to face north.
3
votes
1answer
530 views

In Minecraft, is there a way for a dispenser to place a cake?

I've seen that cakes can turn a comparator on, and the number of slices available corresponds to the signal strength. I was thinking about using an inverter to activate a dispenser and place a new ...
0
votes
1answer
220 views

Door Keycards with Command Blocks [closed]

I am making a map based on the game SCP Containment Breach. In the game you can find the following keycards: - level 1 - level 2 - level 3 - level 4 - level 5 - omni card (opens all doors) I ...
6
votes
2answers
2k views

2x1 Piston Door (replaces top block)?

I've been looking all over youtube, I know how to make a 2 by 1 vertical door at this point, but for this build I'd like to have 2 iron bars be the door but when it opens for the bottom block of the ...
0
votes
0answers
2k views

Minecraft 1.14 /give command with multiple NBT tags [duplicate]

I'm making a map in the 1.14 snapshot 19w09a where the player will be in adventure mode and needs to find a key to access the next room. I've been able to run the command successfully with: /give @p ...