Allows unidirectional flow of resources through isolated roboport networks. Good for long distance bot transportation. Add signals to the constant combinators to send additional resources, MINIMUM VALUE 2.

Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
Allows unidirectional flow of resources through isolated roboport networks. Good for long distance bot transportation. Add signals to the constant combinators to send additional resources, MINIMUM VALUE 2.