I broke it first, so you don't have to.
Real homelab builds from my house: what I made, what it cost, and every place it fell over on the way. Written for tinkerers, friendly to beginners.
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A Christmas countdown sign that runs all year
A free countdown page for any screen, and a standalone LED sign that counts the days to Christmas from a shelf, with falling snow.
Get a phone alert when your old freezer quits
A cheap temperature sensor, Home Assistant and one automation that tells you when a freezer warms up, and how long it was warm.
I turned a spare TV into a cinema poster screen
A sideways TV, a tiny PC and a few dozen lines of Python that show movie posters from your own library, and the poster of whatever's playing.