To craft a redstone repeater in Minecraft, place 3 stone blocks in the bottom row, 2 redstone torches on the left and right of the middle row, and 1 redstone dust in the center of the crafting grid. This essential circuit component allows signal direction control, pulse lengthening, and signal boosting up to 15 blocks.
Why You Need a Redstone Repeater
Redstone repeaters solve three critical circuit problems in Minecraft: signal degradation over distance, unidirectional signal flow, and pulse shortening. Without repeaters, redstone signals weaken after 15 blocks and can't maintain consistent pulse lengths for complex mechanisms like clocks or piston doors. Mastering repeater crafting unlocks advanced automation—from automatic farms to hidden doors.
Required Materials Breakdown
- 3 Stone Blocks: Smelt cobblestone in a furnace (any fuel source)
- 2 Redstone Torches: Crafted from 1 redstone dust + 1 stick each
- 1 Redstone Dust: Mined from redstone ore (found deep underground)
Pro Tip: Keep a dedicated crafting table near your furnace station—this recipe requires frequent material replenishment during large builds.
Step-by-Step Crafting Guide
- Open your 3x3 crafting grid (inventory or crafting table)
- Bottom row: Fill all three slots with stone blocks
- Middle row: Place redstone torches in left and right slots
- Center slot: Add redstone dust
- Collect your repeater from the output slot
| Grid Position | Required Item | Common Mistake |
|---|---|---|
| Bottom Row (all) | Stone | Using cobblestone instead of smelted stone |
| Middle Left/Right | Redstone Torches | Placing dust instead of torches |
| Center | Redstone Dust | Leaving center empty |
Advanced Usage Techniques
Signal Control Mastery
- Direction Locking: Right-click to rotate—signals only flow input-to-output
- Delay Adjustment: Right-click up to 4 times to extend signal delay (2-8 ticks)
- Signal Refreshing: Place every 15 blocks to maintain full signal strength
Troubleshooting Common Errors
"Recipe Not Working" Fixes:
- Verify stone is smelted (cobblestone won't work)
- Confirm redstone torches face upward in grid
- Check for accidental item stacking in grid slots
Circuit Failures: If signals stop, increase repeater delay settings—short pulses often get lost in complex systems.
Real-World Application: Automatic Sugarcane Farm
Combine repeaters with observers to create self-harvesting farms. Set two repeaters in a loop with 4-tick delay (maximum) to generate consistent 0.4-second pulses that trigger piston harvesters. This precise timing prevents crop trampling—a frequent issue with comparator-based systems.
Frequently Asked Questions
Can I craft a redstone repeater without stone?
No—stone blocks are mandatory. Cobblestone won't work as it hasn't been smelted. This design choice reflects Minecraft's material hierarchy where processed resources enable advanced mechanics.
Why won't my repeater accept signals?
Check two things: 1) Ensure the input side faces the signal source (arrow indicator must point toward incoming signal) 2) Verify signal strength is at least 1—weak pulses from certain blocks like daylight sensors may require amplification first.
How do I extend redstone signal range beyond 15 blocks?
Place repeaters every 15 blocks in your circuit. Each repeater resets the 15-block decay counter. For long distances, use 4-tick delays to prevent signal overlap in high-frequency systems like item sorters.
Can repeaters power blocks behind them?
No—they only output signals forward through the front face. To power adjacent blocks, you'll need a redstone comparator or direct dust connection. This directional limitation is why repeaters excel at preventing signal feedback loops.








浙公网安备
33010002000092号
浙B2-20120091-4