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This article has been assembled by one or more members of the community as a helpful resource, instructing players on some aspect of Minecraft. If desired, you may clarify or expand this article youself. This article or section requires a cleanup in order to meet the Minecraft Wiki’s quality standards. This article is about Redstone Circuits. Redstone circuitry is a feature introduced in Alpha which allows for intricate Redstone wire based mechanisms to be created by players. It’s also possible to use pistons in Redstone circuits. Basic Redstone circuitry is often used in building traps.
Redstone wire acts as a power conductor. Power will travel through 15 blocks of wire. To increase the range, place Redstone repeaters in the circuit. To place Redstone wire, right-click on a block while holding Redstone dust. Some blocks in Minecraft may be powered or unpowered.
Power may be transmitted from a powered block to one or more of the six directly adjacent blocks. One must be careful to note that a Redstone torch placed on the side of a block of dirt is actually part of the block next to the dirt, not part of the dirt block itself. Similarly, Redstone wire that is placed on top of a block of dirt is part of the block above the dirt. However, if the block on which the Redstone wire is placed becomes powered in any way, so does the Redstone wire.
A Redstone torch powers itself and the block directly above it, unless that block is air. A lever powers the block in which it is located and the block on which it is placed. A button powers the block in which it is located and the block on which it is placed. Redstone wire powers itself, the block below it, the block it is pointing to or the block below that. If a block is powered only by Redstone wire then it is weakly powered. Redstone wire which is adjacent to, on top of, or below a block that is strongly powered will become active.
It will not become active if that block is weakly powered. A device, such as a door, a minecart track, a block of TNT, or fence gate is activated when an adjacent block is powered. As a simple example, placing a Redstone torch next to a door will change the state of the door to on. Similarly, standing on a pressure plate immediately adjacent to a door will activate the door. Redstone wire is used for this purpose. As noted above, the Redstone wire is part of the block it is physically located in, not the block to which it is attached. The simplest way to activate Redstone wire is to put a Redstone torch or switch adjacent to the wire.
It also works to have a torch or switch directly above the wire, attached to a wall. This feature, along with the use of wire to transmit power in particular directions over distance, is the basis for the advanced Redstone devices and circuitry below. Care must be taken to follow the power rules precisely, or one might see unexpected results. For example, consider a pressure plate. Activating the plate will power the block underneath the plate as well as the block in which the plate resides. Nevertheless, Redstone wire beneath this block will still be powered, because it is adjacent to the powered block above it. If a block is powered, a Redstone torch attached to it will be deactivated.
If a block is powered, a door on top of it or adjacent to it will toggle its state from open to closed or vice versa. The actual state will depend, because doors were implemented unintuitively. If a block is powered, and rails are above it, they will toggle shape. One can still have the wiring power the rail directly. Trying to transmit power through a block that doesn’t have any Redstone wire on it.
If one places any solid block above the torch, it will create a feedback loop and the torch will probably burn out. A logic gate can be thought of as a simple device that will return a number of outputs, determined by the pattern of inputs and rules that the logic gate follows. Below is a list of some of the basic gates with example images and MC Redstone Sim diagrams. There are many different ways to construct them other than those shown below, so use them as guidelines for creating one to fit one’s needs. Redstone torch receives power» and «Redstone torch turns off or on».