How can I power two vertically stacked rows of pistons, hopefully with a minimal number of repeaters? I can get the bottom row powered with just a line of redstone on the gold blocks behind as shown, but can't figure out how to do something similar for the top row at the same time.
2 Answers
You can actually save on the redstone torches and just raise your "golden block with redstone" line by one block.
The result is this:
If you don't care about inverting the signal beforehand, simply use redstone torches behind the upper pistons to power everything:
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2This works due to piston quasi-connectivity, where a piston is powered by powering the block above it. Inverting the signal with torches is not needed at all, a line of blocks with redstone dust on top next to the top piston row is sufficient.– MrLemonCommented Dec 12, 2015 at 13:03