Read signals, conditionally enable devices and automate control.
Read original explanations on Volpedia. Search topics and follow highlighted words to related internal articles.
12 OF 12 ENTRIES
Connects supported entities to the red signal network for reading or controlling conditions.
Creates a separate circuit signal network, useful for independent control channels.
Provides manually configured signals for thresholds and configuration values.
Performs numerical operations on circuit signals with configured input and output behavior.
Evaluates signal comparisons and produces output based on a condition.
Available in recent Factorio systems for selecting or sorting signals using configured modes.
Turns an inserter on or off depending on measured stock or other conditions.
Controls fluid routing based on tank values, network signals or other conditions.
Allows detection of stored fluid for threshold controls and overflow management.
Adjusts train limits or departure behavior using local availability signals.
Allows measuring items on supported transport belts for control and diagnosis.
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.