Learn Redstone

Interactive guides to Minecraft Bedrock Edition redstone. Every concept comes with a live circuit you can play with right here in the page — no install, no account.

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Concepts

Quasi-Connectivity (and why Bedrock doesn't have it) Quasi-connectivity is a Java Edition quirk where a piston, dispenser, or dropper fires from power reaching the block above it. Bedrock removed it, so Java builds that rely on it must be rewired. Why Won't My Redstone Work? Most broken redstone comes down to a few causes: dust missing support, a torch fed only weak power, signal decaying past 15 blocks, or a component facing the wrong way. Here is the checklist. Strong vs. Weak Power Redstone has two kinds of block power: strong power flips torches and feeds new dust, while weak power only triggers components touching the block. Mixing them up breaks half of all circuits. Redstone Ticks & Timing A game tick is the world's heartbeat; a redstone tick is two of them. Repeaters add 1 to 4 redstone ticks of delay each, letting you tune timing precisely for clocks, sequences, and pulses.

Components

Redstone Dust Redstone dust is the wire of Minecraft. It carries a signal that starts at power level 15 and drops by 1 for every block it travels, fading to nothing after 15 blocks unless a repeater boosts it back up. Redstone Torch A redstone torch is a constant power source that also works as a signal inverter (NOT gate). It outputs power level 15 when lit, and switches off when the block it is attached to becomes strongly powered. Redstone Repeater A redstone repeater relays a signal in one direction, resets its strength back to 15, and adds an adjustable delay of 1 to 4 redstone ticks. It can also be locked to hold a signal frozen. Redstone Comparator A redstone comparator measures and compares analog signal strengths. In comparison mode it passes the back signal unless a side is stronger; in subtraction mode it outputs the back minus the strongest side. Observer An observer watches the block directly in front of its face and emits a short pulse from its back whenever that block changes state. It detects updates that ordinary redstone cannot see. Piston & Sticky Piston A piston pushes up to 12 blocks when powered. A sticky piston also pulls one block back when it retracts. Both are the foundation of doors, traps, elevators, and hidden mechanisms. Redstone Lamp A redstone lamp is a full bright light block that turns on whenever it receives any redstone signal and turns off when the signal stops. It is the simplest way to see a circuit working.

Logic

Logic Gates: AND, OR, NOT Logic gates combine on/off inputs into a decision. NOT inverts a signal, AND fires only when every input is on, and OR fires when any input is on. They are the alphabet of redstone computing. XOR & XNOR Gates An XOR gate outputs on only when its two inputs differ, making it perfect for two-switch lighting and adders. An XNOR gate is its opposite, firing only when both inputs match.

Memory & Timing

RS Latch & Memory An RS latch is the simplest redstone memory: a set input turns the output on, a reset input turns it off, and it holds that state on its own after the input is released. Redstone Clocks A redstone clock produces a repeating on/off pulse. Observer clocks are fast and tiny, repeater clocks are adjustable and reliable, and hopper clocks are easy to tune for slow timers.

Builds

Minecraft Piston Door (Bedrock) A piston door hides an entrance behind blocks that slide aside on command. Sticky pistons pull the blocks back to seal it, and the design scales from a simple 2x2 to hidden staircases. Signal Strength & Power Levels Redstone signals carry a strength from 0 to 15. Sources output 15, dust loses 1 per block, and components like comparators read and act on that analog level rather than a simple on/off. Minecraft Item Sorter (Bedrock) An item sorter routes specific items into their own chests automatically. A comparator reads a hopper pre-filled with filter items, and the tiny signal it produces unlocks the hopper only for matches. Minecraft Auto Farm (Bedrock Redstone) An automatic farm harvests crops with no clicking. An observer watches a plant, detects the moment it matures, and fires a piston to break it — while hoppers below collect the drops. Minecraft TNT Cannon (Bedrock) A TNT cannon launches a projectile TNT using the blast of propellant TNT. Water dampens the propellant so the cannon survives, and careful fuse timing flings the shot before it explodes. Minecraft Flying Machine (Bedrock) A flying machine moves itself through the air using slime or honey blocks, pistons, and observers. An observer engine keeps pushing and pulling a sticky core so the whole rig glides without support.