Home Assistant setups, ESP32 devices and 3D printed parts, with the photos, the wiring and the code so you can build the same thing.https://chris-builds-stuff.pages.dev/https://chris-builds-stuff.pages.dev/guides/esphome-secrets/https://chris-builds-stuff.pages.dev/guides/esphome-secrets/Using secrets.yaml and a shared base file across every node.Mon, 12 Oct 2026 00:00:00 GMTesphomehome-assistanthttps://chris-builds-stuff.pages.dev/builds/presence-sensor/https://chris-builds-stuff.pages.dev/builds/presence-sensor/PIR sensors turn the lights off while I'm sitting still at my desk. An mmWave radar doesn't. Here is the whole build, from parts to automation.Mon, 12 Oct 2026 00:00:00 GMTesp32home-assistant3d-printinghttps://chris-builds-stuff.pages.dev/builds/epaper-dashboard/https://chris-builds-stuff.pages.dev/builds/epaper-dashboard/A 4.2" e-paper panel showing calendar, weather and energy use, waking once every 15 minutes.Sun, 04 Oct 2026 00:00:00 GMTesp323d-printinghome-assistanthttps://chris-builds-stuff.pages.dev/guides/snap-fit-enclosures/https://chris-builds-stuff.pages.dev/guides/snap-fit-enclosures/Tolerances, wall thickness and why your first lid never fits.Sun, 04 Oct 2026 00:00:00 GMT3d-printinghttps://chris-builds-stuff.pages.dev/builds/filament-dry-box/https://chris-builds-stuff.pages.dev/builds/filament-dry-box/A heated, sealed box with an SHT31 sensor, reporting humidity per spool to Home Assistant.Sun, 27 Sep 2026 00:00:00 GMT3d-printinghome-assistantesp32