Factorio Forums

Idea: Lights which respond to signals. Can be configured to display red, green, or yellow depending on signal. Ability to be labeled, similar to train stops.

Purpose: Easy monitoring of systems and subsystems at a glance. Could be used to create a dashboard, for example, among a multitude of other things.

Side thought: Visible from map view?

Read this: https://www.factorio.com/blog/post/fff-122