Chicken control - Project Overview

I was thinking, everyone is laughing about your robot chicken, but no one has answered the poor guy’s question! Glad you sorted it.

I think something like

light.turn_on:
  id: stall_status
  effect:
    addressable_rainbow

However Light Component — ESPHome suggests it may be

light.turn_on:
  id: stall_status
  effects:
    addressable_rainbow:
    addressable_rainbow:
      speed: (etc)