How to Use Nodes: The Timer Node: Pulse Looper Module Tutorial
At first blush, the Timer node might seem like a pretty boring node. It counts up in seconds until it’s reset, and then it just keeps counting up again. So what?
This module will change your mind.
Extensive node-by-node documentation in this patch. It’s a complex one, but I leave no node unspoken. If you follow the explanations in a general way from left to right, you’ll understand how this module works.