May 2026 There's a touchscreen mounted in my kitchen — I call it the WallScreen. It runs recipes, the chore board, a calendar, the usual smart-home clutter. One day I decided it should also pull in free over-the-air television. No subscription, no streaming app, just the local broadcast towers that have been beaming HD into the air for free this whole time. I had a Raspberry Pi 5, a $30 USB tuner, and what I assumed would be a boring afternoon. It was not a boring afternoon. T...