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Direct CN105 Control for Mitsubishi Mini-Splits

An ESP32-based CN105 interface connecting two Mitsubishi mini-splits directly to Home Assistant.

home automation electronics

Project complete · Read the full build report.

The full article documents the measurements, safety procedure, build, and first-week reliability results. The project uses ESP32-based controllers to connect two Mitsubishi mini-splits directly to Home Assistant through CN105. It replaced previous cloud and infrared approaches with direct local control.