The flow is the one linked in the update post. It's not mine.
Summary
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This is a partial list of what it produces..
Anyone know why the heading DS - Balcony appears under the title? I presume it's the first/last device to report. If I do a manual refresh of the dashboard, it disappears.
As for other use cases, I was thinking about doing it for switches (getting all my light switches onto the dashboard in one go), but it didnt work. Maybe I'd have to use a template node first. Not sure.