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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1answer
15 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 ...
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0answers
21 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
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2answers
39 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
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1answer
86 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 ...
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1answer
40 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
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2answers
56 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 ...
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2answers
56 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
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1answer
41 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
98 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 ...
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1answer
65 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
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1answer
106 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
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1answer
82 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
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1answer
532 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
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2answers
314 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
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1answer
97 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
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1answer
33 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:
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1answer
37 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 ...
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1answer
40 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
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1answer
100 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
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1answer
129 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 ...
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2answers
118 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
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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 ...
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1answer
85 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?
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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 ...
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0answers
34 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 ...
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1answer
88 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
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1answer
102 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
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1answer
238 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
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1answer
49 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 ...
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2answers
294 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 ...
2
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1answer
49 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
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1answer
68 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, ...
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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
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1answer
286 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
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1answer
519 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
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1answer
107 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
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1answer
138 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 ...
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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
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1answer
213 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. ...
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2answers
161 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
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1answer
271 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
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1answer
476 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
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1answer
208 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
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2answers
1k 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
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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 ...
1
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1answer
110 views

Why won't this powered hopper stop running?

My Goal here is to only allow one item in the bottom hopper at a time. When the furnace fills up and an item enters the bottom hopper, the top hopper becomes powered. In theory, this should stop the ...
2
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1answer
195 views

Frequency redstone VS Loop command block,performance?

I want to make a clock with a precision of one second. So,there are two ways to do this. 1、a redstone clock.(one second)And a commond_block [/scoreboard players add @e[name=Time] Time 1. 2、3 ...
3
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1answer
421 views

How to lock entire line of hoppers from below?

This is one (out of 15 identical) slice of the supersmelter-like XP farm I'm currently finishing, attached to a massive kelp farm. (the rails are drawn wrong direction; the schematics don't support ...
1
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1answer
197 views

What blocks pushable by pistons make comparators emit signal?

Do any other blocks than cauldron, pushable by pistons, let comparator emit a signal? I wanted to try making a 'program tape' encoding more than just binary signal through transparent/solid blocks, ...
2
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2answers
1k views

Fast or silent efficient trashcan

After recently centralizing item storage and sorting at my base, I found myself with some chests approaching overflowing. Especially some mixed farms (like the generic mob farm) produce more of some ...