Writing by Michael Thiesen.https://thiesen.dev/en-cahttps://thiesen.dev/posts/elgato-key-light-matter/https://thiesen.dev/posts/elgato-key-light-matter/Replacing the controllers in two unreliable Key Lights with ESP32-C3 boards, Rust firmware, and direct Apple Home control.Tue, 29 Sep 2026 00:00:00 GMT