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Volpedia/Games/Factorio/Circuits
FACTORIO / CIRCUITS

Circuits

Read signals, conditionally enable devices and automate control.

12 entriesReviewed 2026-10-27
Original category diagram, not a Factorio screenshot
OverviewResources17Machines17Logistics17Power12Trains11Circuits12Research14Weapons13Maps12Modes8Enemies11Blueprints10Space Age14Progression12Guides22Tips12Tools2
ENCYCLOPEDIA / CIRCUITS

Circuits reference library

Read original explanations on Volpedia. Search topics and follow highlighted words to related internal articles.

12 OF 12 ENTRIES

BASE / CORE · CircuitsRed wire

Connects supported entities to the red signal network for reading or controlling conditions.

BASE / CORE · CircuitsGreen wire

Creates a separate circuit signal network, useful for independent control channels.

BASE / CORE · CircuitsConstant combinator

Provides manually configured signals for thresholds and configuration values.

BASE / CORE · CircuitsArithmetic combinator

Performs numerical operations on circuit signals with configured input and output behavior.

BASE / CORE · CircuitsDecider combinator

Evaluates signal comparisons and produces output based on a condition.

BASE / CORE · CircuitsSelector combinator

Available in recent Factorio systems for selecting or sorting signals using configured modes.

BASE / CORE · CircuitsCircuit-controlled inserter

Turns an inserter on or off depending on measured stock or other conditions.

BASE / CORE · CircuitsCircuit-controlled pump

Controls fluid routing based on tank values, network signals or other conditions.

BASE / CORE · CircuitsFluid storage tank signals

Allows detection of stored fluid for threshold controls and overflow management.

BASE / CORE · CircuitsCircuit-controlled train station

Adjusts train limits or departure behavior using local availability signals.

BASE / CORE · CircuitsRead belt contents

Allows measuring items on supported transport belts for control and diagnosis.

BASE / CORE · CircuitsCircuit memory cell

Feedback-based circuit arrangement that can retain a useful state while power and connections persist.

Volpedia is an independent fan reference, not affiliated with Wube Software. Factorio mechanics and recipes may change between versions, mods and base game versus Space Age. Content last reviewed October 27, 2026. Category illustrations are original Volpedia diagrams, not gameplay screenshots. Factorio trademarks belong to their owners. Research and provenance records are maintained internally.

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