Using lights as a reusable notification for events

[prestomation (Preston Tamkin)]

This is pretty much exactly what I built - Signal Lights. Define colored signals with triggers (entity state, threshold, template), register your lights, and it handles the priority queue.

Signal Lights — your your smart lights into a visual notification system

Define signals with colors and triggers (entity state, threshold, or template). Register any light as a notification output. The integration maintains a priority queue — the highest-priority active signal pushes its color to your lights. When it clears, the next one takes over. When nothing’s active, lights turn off. Highlights: Priority-ordered signal queue with automatic fallback Per-signal colors — dark red for video calls, green for arrivals, whatever you wa…