Getting a row of pistons to trigger

I have been trying to get an row of 7 pistons to fire when a block has been pushed in front of the middle one. Every technique I try is not firing them. This is a Cobblestone floor maker. Here is an above view of the layout:

P = Piston B = Block (I am using stone) A = AIR SPACE W = Water L = Lava X = Trigger Space

BBBBBBBBBBBBB

BLBPPPPPPPBLB

PAAAAAXAAAAAP

BwBAAAAAAABwB

BBBAAAAAAABBB

minecraft-java-edition minecraft-redstone

Best Answer

If I am correct that this is your layout:

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Then this solution should work:

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Note that this is a sticky piston.

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How do you activate stack pistons in Minecraft?

So, this part is pretty easy. Just connect your ABBA switch to your stack of pistons. Make sure your blue area connects to the bottom piston, your white connects to the middle piston, and your red connects to the top piston.

How do you power multiple pistons in Minecraft?

In the Windows 10 Edition of Minecraft, you can attach levers or other redstone switches directly to a piston. If you want one redstone switch to control multiple pistons, you will have to link the pistons with redstone dust and power it.

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Images: Tim Douglas, ROMAN ODINTSOV, Thirdman, Thirdman