Voxyde shows how to set up a simple timer for particles in Houdini.
This new tutorial from Voxyde shows a way to set up a simple timer of particles that activates every few frames.
The tutorial shows how to work with VEX code inside a POP Wrangle inside a DOP Net simulation.
Voxyde notes that this type of setup is an essential VFX task and shows some of the theories and applications for such a technique.