A copper bulb is a new block added in 1.21. It is a redstone light emitter and a transparent block. It is made of copper and oxidizes over time.
Obtaining[]
Breaking[]
Copper bulbs can be broken with stone pickaxes and any pickaxes higher than that. Mine the copper bulbs with anything else would drop nothing.
Natural generation[]
Copper bulbs can be found in a random state (lit on or off, any oxidation) in the trial chambers.
Crafting[]
| Name | Ingredients | Crafting recipe |
|---|---|---|
| Copper Bulb or Exposed Copper Bulb or Weathered Copper Bulb or Oxidized Copper Bulb |
Copper Block or Exposed Copper Block or Weathered Copper Block or Oxidized Copper Block + Blaze Rod + Redstone Dust |
|
| Waxed Copper Bulb or Waxed Exposed Copper Bulb or Waxed Weathered Copper Bulb or Waxed Oxidized Copper Bulb |
Copper Bulb or Exposed Copper Bulb or Weathered Copper Bulb or Oxidized Copper Bulb + Honeycomb |
Usage[]
Copper bulbs are redstone components that emit light while triggered. A comparator can read the state of a copper bulb. They also work as a T flip-flop.