Here’s a piston i setup for my garage door based on the Door Status Tiles example piston (located here) combined with the toggling code from @michicago’s post (located here) plus a little of my own Font Awesome tinkering. It features:
Icons changed to be representative of a garage door.
During opening and closing from the dashboard features a spinning spinner with blinking double arrow heads up or down respectively.
When the Garage Door is open the word Open flashes in red to draw your attention to the state.
Here’s the piston: