Redstone patterns

Canonical Minecraft redstone layouts for every logic gate. Side-view pixel-art builds with footprints and bill of materials.

• AND gate — Two torch-towers feeding a shared line — output lights only when both inputs are on.
• Buffer — A repeater sitting in a dust line. Refreshes the signal so it can travel further.
• NAND gate — AND with the output inverted. Or — OR of the two inputs' negations.
• NOR gate — Two inputs power a single block. A torch on its side is off if either input is on.
• NOT gate — One block, one torch on top. The simplest redstone logic there is.
• OR gate — Two dust lines walking toward each other, merging into one. The simplest gate in redstone.
• XNOR gate — On when the two inputs match. An XOR with one extra inverter on the output.
• XOR gate — On when the two inputs differ. Needs four torches and a bit of patience.