This is an epic mod. You’re probably familiar with the stoplight as an overused analogy on dashboards for everything from business analytics to web site metrics.
Someone applied it literally to server uptime, and the result is very cool.
Check out the Instructables for the nitty-gritty.
Image from Engadget
Arduino-modded stoplight makes the bestest server monitor you’ll see this week — Engadget
What’s the stepladder for?
To put aluminum foil over the red light when it gets annoying.
Heh, I think it’s leftover from the install.
In the apps world they’re called post-implementation steps.