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Repeater Guide

Delay, boost and lock your redstone.

A redstone repeater surrounded by a redstone torch, redstone, stone and a redstone lamp on smooth stone
Quick answer
  • Craft a Repeater from 3 stone, 2 redstone torches and 1 redstone dust.
  • It boosts a signal back to 15, so redstone can travel further.
  • Click it to set a delay of 1 to 4 ticks (0.1 to 0.4 seconds).

Redstone dust only carries a signal 15 blocks. Repeaters keep it going, slow it down and make it one way.

Materials PlannerPlan Minecraft build materials and calculate stacks, shulker boxes and chests

Crafting

Redstone torch, redstone dust, redstone torch across the middle row, with 3 stone underneath.

What it does

JobHow
BoostAny signal in comes out at full strength 15
DelayUse it to cycle 1 to 4 ticks
One waySignal only goes in the back and out the front
LockPower it from the side with another repeater to freeze it
1 to 4redstone ticks of delay
15blocks dust carries a signal

Uses

  • Long redstone lines: add a repeater every 15 blocks.
  • Timed doors and traps that open in order.
  • Stopping signals from flowing back into your circuit.
FacingThe arrow on top points the way the signal goes. Place it facing away from you.

Cheat sheet

  • 3 stone, 2 torches, 1 dust
  • Boosts to 15
  • 1 to 4 tick delay
  • Side repeater locks it

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