Social card reading 'I stand up. The screens fade out. Sit back down and they're back at 90%.' beside a dimmed Home Assistant dashboard showing an Auto Occupancy tile, two desk monitor sliders at 90% and an occupancy badge reading 0

Home Assistant Presence Sensor: Turn Monitors Off When You Leave the Desk

My study has five things that glow: two desk monitors, a wall-mounted dashboard screen, a strip light and a custom Home Assistant display frame I built from a cheap Android photo frame. Every time I got up to make a coffee, all five stayed on and lit an empty room. Now they notice I’ve gone. A minute after I stand up, everything fades down together, and when I sit back down it all comes back. Not at 3am, though. ...

November 12, 2026 · 17 min · Tom Cocking