https://dangauthier.page/tags/hardware/ Recent content in Hardware on Dan Gauthier Hugo en-us Sun, 26 Jul 2026 00:00:00 +0000 https://dangauthier.page/posts/the-hidden-message-in-fire-alarms/ Sun, 26 Jul 2026 00:00:00 +0000 https://dangauthier.page/posts/the-hidden-message-in-fire-alarms/ Your smoke detectors are talking to each other over a single wire, and the beeps are a protocol. A look at temporal patterns, carbon monoxide signaling, and the 12-volt interconnect.