Usage: place a single item on the belt to start the pulsing.
Lengthen the belt to slow the pulse speed, shorten the belt to speed it up.
You can also vary the ratio of connected belt segments, but I recommend keeping it 1:1.

Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
Usage: place a single item on the belt to start the pulsing.
Lengthen the belt to slow the pulse speed, shorten the belt to speed it up.
You can also vary the ratio of connected belt segments, but I recommend keeping it 1:1.