Carbon monoxide monitor using Elixir Nerves on Raspberry Pi Zero W with TGS5042 sensor and Phoenix LiveView web UI
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Updated
May 31, 2026 - Elixir
Carbon monoxide monitor using Elixir Nerves on Raspberry Pi Zero W with TGS5042 sensor and Phoenix LiveView web UI
Reverse‑engineering the First Alert CO400 carbon‑monoxide alarm. A full teardown, schematic capture, analog front‑end analysis, and a custom Arduino‑based sniffer for decoding the device’s internal data stream.
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