Discuss Minecraft's Redstone systems, including automation, circuits, components, and technical gameplay. Share ideas and feedback on Redstone mechanics across Minecraft. Because Java Edition and Bedrock Edition use different Redstone systems, some behaviors will differ between versions. Please tag your posts with Java, Bedrock, or Both where applicable.

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Dye Sensor

Crafting:

This item is crafted with 3 pieces of chiseled copper, one red dye, one blue dye, one green dye, a redstone lamp and 2 observers.

Usage:

This block has an input face and an output face. The input face checks for a dyed block of the corresponding dye and this is configurable. If the input face finds a corresponding dyed block, the output face emits a Redstone signal strength of 15. The input and output faces are on opposing sides of the dye sensor. This block can face all 6 directions.

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    Advanced Mode

    There is also an advanced mode of the dye sensor, where this block checks the dye’s exact dye colour code of the dyed block. The colour code option in advanced mode can also check for a specific exact colour of a dyed water cauldron in Minecraft: Bedrock Edition.

    Example:

    Red wool is being checked by the dye sensor in advanced mode. The wool had red dye, and the colour hex of red dye is #B02E26. The firework colour code for the dye is not checked. Since the dye of red wool corresponds to the colour hex of #B02E26, the dye sensor’s output will give a Redstone signal strength of 15.