Factorio Circuit Network Explained in Plain English
The Factorio circuit network can feel intimidating—especially if you’re not a programmer or “computer person” who regularly works with logic.
This video explains the Factorio circuit network in plain English, focusing on clear definitions, mental models, and practical understanding.
This is a reference and refresher video designed to complement other circuit tutorials. If you’ve ever been reading the Factorio wiki or watching a circuit guide and thought, “wait… what does that actually do?”—this video is for you.
It covers:
Definitions of "Signal", "Conditition," "Pulse," "Set" and more terms.
The four parts of the circuit network and how they interact
The different combinators (decider, arithmetic, selector, constant) and what they’re used for
The logic signals Each, Anything, and Everything
Two example circuit builds to help bring everything together.
The goal is to give you a solid foundation so you can better understand advanced circuit builds, blueprints, tutorials from other creators, or feel more confident poking around yourself.
I've put chapters below so you can jump directly to the sections you need.
If you enjoy videos that make complex games more approachable, consider liking or subscribing—more Factorio content is on the way.
00:00 Intro
00:29 Signals
01:47 Condition
02:18 Pulse
03:06 The Physical Network
03:39 Objects that Send and Recieve
03:55 "Read"
04:30 "Enable/Disable"
04:54 "Set"
05:36 Combinators Intro
05:53 Decider Combinator
06:26 Arithmatic Combinator
07:04 Constant Combinator
07:18 Selector Combinator
09:41 Logic Signal: Each
10:30 Logic Signal: Anything
10:50 Logic Signal: Everything
11:08 Example: 3 Simple Circuits
13:19 Example: Basic Asteroid Balancer
Links
Key Wiki Pages:
https://wiki.factorio.com/Circuit_net...
https://wiki.factorio.com/Tutorial:Ci...
Vids:
Factorio 2.0 Circuit Network Tutorial : Basics to Intermediate - Automate Your Factory! • Factorio 2.0 Circuit Network Tutorial ❇️ :...
Sushi Belts and the Circuit Network:
• Factorio Tutorial, Sushi Circuits (OUTDATE...