Redstone Repeater - Minecraft Wiki Guide - IGN

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A Redstone Repeater can act as a repeater, a diode, or a delayer in a Redstone system. It enables you to create some amazing and complex systems to make your own gameplay more efficient or to impress your friends.

Redstone Repeater Recipe

To craft it, you'll need one Redstone, 2 Redstone Torches, and 3 Smooth Stone, arranged as you see above.

How to Use A Redstone Repeater

As for its actual use, it repeats signals like a network switch or hub would, so that signals do not die after 15 blocks. It also only accepts a signal from one side and puts it out on the opposite side, thus acting like a diode. It can also be used to delay signals by 1-4 ticks, which can be selected by right-clicking the repeater.

In essence, you can create longer links of Redstone without the power level of the signal being lost (15 blocks is the max without a Repeater), so long as you intermittently use Redstone Repeaters throughout the chain to boost the signal. The placement of the Repeater is important so you can decide which end is receiving/outputting the signal, and if you are aiming to create a Redstone contraption that needs a time delay, you can offset the signal it'll output by a few clicks.

You can also lock signals using a powered Redstone Repeater that is facing into another powered Redstone Repeater. This means you can keep a signal going, or keep it deactivated regardless of what other inputs may be triggered around it. In the image below, you will see that the bottom-most Repeater has a bar running down across the center, indicating it is locked in the "on" state.

Looking for more? Check out our Redstone Inventions page to see what kinds of things are possible with Redstone!

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