A wall display is not a laptop dashboard blown up.
Laptop dashboards are built for a person leaning in with a mouse. A wall screen is read across a noisy room, in passing, by everyone at once. Different job, different rules.
Most of what makes a wall work has nothing to do with charts. Office TVs get mounted opposite a window, and the subtle mid greys that looked lovely on a laptop just vanish at panel brightness. A browser asked to stay open for ninety days will leak memory and die quietly on a Friday, and nobody notices a frozen dashboard until someone asks why the numbers have not moved since Tuesday. So the board reloads itself on a schedule, sends a keep alive so the TV never sleeps, and picks itself back up after a power cut. Someone will still unplug it to charge a phone. Plan for that too.
You learn the type rule the hard way exactly once. The board looks huge from the desk where you build it, then from the far end of the floor people still walk over to squint at the third row. Sized from the wrong chair. So type gets set from the worst seat in the room, every screen answers exactly one question, and when a label will not fit, the label loses. Never the number.
The charts are honestly the easy part.
Put your numbers on the wall.
Tell me what your team should see when they look up. I design the screens and wire the data. The wall keeps itself alive, reloads and all.
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