How do you get Copper Bulb in Minecraft?

Copper Bulb is crafted from Block of Copper, Blaze Rod, and Redstone Dust at a Crafting Table, and each craft returns 4.

How long does Copper Bulb take to break?

Hardness 3 is what the game stores for Copper Bulb, next to blast resistance 6 on it. Because the numbers differ on Copper Bulb, one of the two routes into it is always quicker. Stone is the minimum tier that actually collects Copper Bulb. It is also a light source, worth 4 on it while lit. Java 26.2 spells Copper Bulb out this way, so nothing on it was guessed.

When was Copper Bulb added to Minecraft?

Copper Bulb was added in version 1.21.

How many Copper Bulb can you stack?

64 Copper Bulb fill one slot, and filling it costs 112 Block of Copper, 16 Blaze Rod, and 16 Redstone Dust, since each one returns 4: 16 crafts. A double chest of Copper Bulb comes to 3,456, spread over 54 slots.

RedstoneCraftable

Copper Bulb

A redstone light source that toggles between lit and unlit each time it receives a redstone pulse. Its brightness decreases as the copper oxidizes.

Stack Size

Durability

N/A

Copper Bulb at a glance

Crafting gives you Copper Bulb, a redstone component filed under Redstone. A single slot takes 64 Copper Bulb, a hotbar row 576, and 3456 fill a double chest.

As a redstone component, Copper Bulb is wired into contraptions and circuits, and what it does with a signal is what gives builders the logic and timing behind automatic farms, doors and machines. The game rates Copper Bulb at 3 hardness. Lit, Copper Bulb gives off light level 4. Stone is the minimum tier that actually collects Copper Bulb. Explosions work against a resistance of 6. Copper Bulb sits between Block of Redstone and Crafter in Redstone, number 3 of 29 there.

Crafting recipe

Crafting
Block of Copper
Block of Copper
Block of Copper
Block of Copper
Blaze Rod
Block of Copper
Block of Copper
Redstone Dust
Block of Copper
Copper Bulb4
Recipe data from Astroworld Crafting, where Copper Bulb has the grid for Copper Bulb

How to obtain

Crafting

Notes

Acts as a redstone toggle (T flip-flop). Emits light 15 when unoxidized, dropping at each oxidation stage.

Frequently asked questions about Copper Bulb

How do you get Copper Bulb in Minecraft?
Copper Bulb is crafted from Block of Copper, Blaze Rod, and Redstone Dust at a Crafting Table, and each craft returns 4.
How long does Copper Bulb take to break?
Hardness 3 is what the game stores for Copper Bulb, next to blast resistance 6 on it. Because the numbers differ on Copper Bulb, one of the two routes into it is always quicker. Stone is the minimum tier that actually collects Copper Bulb. It is also a light source, worth 4 on it while lit. Java 26.2 spells Copper Bulb out this way, so nothing on it was guessed.
What is Copper Bulb used for?
A redstone light source that toggles between lit and unlit each time it receives a redstone pulse. Its brightness decreases as the copper oxidizes.
When was Copper Bulb added to Minecraft?
Copper Bulb was added in version 1.21.
How many Copper Bulb can you stack?
64 Copper Bulb fill one slot, and filling it costs 112 Block of Copper, 16 Blaze Rod, and 16 Redstone Dust, since each one returns 4: 16 crafts. A double chest of Copper Bulb comes to 3,456, spread over 54 slots.

Building with it

Three copper blocks, a blaze rod and redstone dust give copper bulbs, and they toggle rather than follow: one pulse turns the light on, the next turns it off. They also oxidise like all copper, dimming as they age unless waxed with honeycomb.

In practice

A copper bulb toggles instead of following: one pulse on, the next pulse off, which saves a whole latch circuit. It also oxidises through four stages, dimming as it goes, so a bulb that is meant to stay bright needs waxing with honeycomb.

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