Flashing individual LED Panels in random Order

[LordoftheFleas]

I can recommend this:

Controlled "random" values for procedural shading

Hello all, I am currently working on a laser effect, and am looking for a way to “randomize” the emission value of the laser, similar to the wiggle expression in after effects. The current node setup I have is very simple, just a ColorRamp from my darkest to brightest value connected to the strength of the emission. I have tried a few methods to get a random 0 to 1 value for the factor of the ColorRamp but have ran into an issue. The issue is that with purely random values, the strength will sk…

(in particular the voronoi version)

and may be this tutorial for a bit of explanation:

Blinking Lights - Blender