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I'm trying to create my first circuit in minecraft:

  • a - pressure plate
  • p - piston
  • d - dirt
  • - or | - redstone

 

a----dddd
     pppp

Pistons are placed over the dirt and there's water under the dirt.

I'm trying this but it doesn't work:

a-------
     ddd
     ppp

This also doesn't work:

----
a ||
  dd
  pp

This does work, but only if pistons aren't adjacent

a--------
    | | |
    d d d
    p p p

Here are two screenshots:

This doesn't work

doesn't work

This works:

enter image description here

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1  
I'm going to go out on a limb and say try placing a redstone repeater before every piston if possible. I'm not sure that'll help though. –  badp Feb 22 '12 at 19:09
1  
Related/Duplicate: gaming.stackexchange.com/questions/50459/… –  Joe the Person Feb 22 '12 at 22:53

4 Answers 4

up vote 21 down vote accepted

There are actually a large number of different ways you can do this. Perhaps the simplest is using redstone repeaters, like so:

There's also the design proposed by StrixVaria, which uses elevated redstone:

But there are even more ways you can do this. Here are a few:

Take your pick!

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3  
+1 cause while it may be possible with out repeaters, you should get used to using them. Almost every compact redstone construction will require them somewhere to make sure the redstone power is flowing in the right direction. –  James Feb 22 '12 at 21:05
    
@James Use repeaters if there is a reason to use repeaters. Don't use them just for the sake of getting into a good habit. –  Maxpm Feb 23 '12 at 1:14
2  
@Maxpm Yes I completely agree that good habbits are a thing to be avoided! –  James Feb 23 '12 at 2:24
1  
@James In this situation, I'd agree with Maxpm. It seems to be that while repeaters solve the problem, there's no good reason to use them over other methods here. –  Alexis King Feb 23 '12 at 7:17

Try this:

a---+++
    ppp
  • a - pressure plate
  • - - redstone
  • + - redstone on a raised block (the block should be at the same level as the piston)
  • p - piston

A screenshot of the above schematic The pistons activated

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1  
I can't test this right now, since I'm at work. If it doesn't work, I'll delete my answer. –  StrixVaria Feb 22 '12 at 19:11
1  
My testing indicates that it works. –  John the Green Feb 22 '12 at 19:17
    
Sorry i don't know if its my fault but this way like before adiacent wires connect to themselves instead of the block in front of them –  Matteo Pagliazzi Feb 22 '12 at 19:23
    
@MatteoPagliazzi The wires won't look like they connect to the piston, but they will power the block they lay on, which will in turn power the piston connected to that block. –  StrixVaria Feb 22 '12 at 19:26
    
i think that with repeater should works, anyway i've posted two screenshots –  Matteo Pagliazzi Feb 22 '12 at 20:00

In order to power pistons, you either need the redstone line running directly into the piston, run the redstone line on a raised block, or using redstone repeaters. You can also power an adjacent block using a repeater, which can be very useful for certain applications.

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How to split and stretch minecraft wiring:

  1. Switch goes to repeater and split from source for every item wanted to move/open.

  2. Power block to stretch power with redstone torch on top and one in the direction you want it to go

  3. Repeat power blocks as many times as needed but the redstone repeaters only need to be there if you splitting some more channels.

  4. Attach to wanted item and go back and pull the switch.

Note: To go up you can use a redstone torch but to go down you will need to use redstone wire.

Hope this helps anyone who was stuck on this as it took me ages to find a link on how to do it and was wrong anyway.

Picture showing what is said above.

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This doesn't actually answer the question, as it does not explain how to do this for adjacent targets. –  SevenSidedDie Sep 19 '13 at 0:33

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