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Reading Schematics

This page gives a basic overview of the new style of redstone schematics. It does not give details on writing schematic templates, for that see the template documentation.

These schematics represent a top or side view of the circuits in question. Complex circuits may be presented in several diagrams, each showing the blocks and components for one or two layers of the circuit.

Block Images Meaning

Stationary solid block

Mobile solid block
Top slab (transparent, shown top and side)
Redstone dust and repeaters.
The repeaters have delay 1 (unlit) and 2 (lit).
Stationary, mobile, and redstone blocks over
redstone dust,and a stack of two stationary blocks.
Two inputs and an output.

Most blocks in a redstone circuit are "generic", in that any solid block will do. Therefore, they are shown as blocks chosen for visibility, rather than what you'd normally choose to build a circuit.

Gold and diamond blocks represent generic solid blocks. Gold is used for stationary blocks which are required by the circuit. Diamond is used for "mobile" blocks, which will be moved by pistons as part of the circuit's workings.

There are three transparent blocks which can hold redstone wire: top slabs, upside-down stairs, and glowstone. Unless there's good reason otherwise, these will be represented by top slabs.

Any block for which the particular block type actually matters, will be shown as itself: e.g. sand (falling behavior), obsidian (in a TNT cannon), glass (redstone-neutral), blocks of redstone (power source), etc..

Blocks of wool are used to show input and output locations: lime green for input, pink for output. These may be labelled if there is more than one input or output. Note that this has the signals going from green through yellow (gold) to "red" (pink). In complex schematics, other colors of wool may be used to indicate connections among multiple circuits, or different parts of the circuit.

Redstone wire is shown as stylized lines, dark red if unpowered, brighter if powered. Similarly, most components are shown as themselves, but with some tweaks to their sprites (to make them more identifiable, and the circuits more comprehensible). Repeater and comparator settings are shown in the icon: position of the repeater's slider (or bar, for a latched repeater), or the lit third torch for a comparator in subtraction mode.

Transparent blocks (solid, mobile, or redstone) indicate a block above the current "main" level, over the components that show beneath it. A is used in multi-level diagrams to show the location of an input, output, or component, which is not on the current level and would not normally be shown. A "darkened" block may be used to indicate that the space has one solid block atop another. Darkening can also mark other special cases, which should be described in the accompanying text.


XOR gate with repeaters and piston (H)
A nice selection of components.
Simple Redstone Block RS latch. Note the labeled inputs and outputs.
4-input NOR gate, levels 1-2 (B-1)
Notice the redstone on blocks, and redstone with blocks over it.
4-input NOR gate, levels 2-3 (B-2)
Now the "over" blocks (level 2 of the circuit) are "under", and the blocks from level 1 of the circuit are invisible. However, the positions of the input and output blocks are still shown, but lighter.
Vertical Compact Clock (D)
A A vertical circuit.

This vertical clock has no input or output blocks shown, because input (switching it off) or output (the clock signal), can be taken almost anywhere. Full discussion is at its home in the "Clocks" page.