Set the desired craft in the permanent combinator and enter the quantity. Your warehouse will have exactly the quantity you entered; if there is more in the warehouse, the collector will not work.
Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
Set the desired craft in the permanent combinator and enter the quantity. Your warehouse will have exactly the quantity you entered; if there is more in the warehouse, the collector will not work.