Wishing everyone here a safe, happy, and warm holiday season. Live: http://www.nofossil.org/christmas-tree.html In the live version, the round ornaments are clickable and change an internal state in the controller. Their color changes to reflect the current state. The square ornaments are status indicators. The dial gauge on top of the tree is my boiler outlet temp, and the 'outdoor' temp is also real. The rectangular presents are bar graphs of outdoor temp. The other readouts are mostly random unconnected temperature inputs.