The power board converts 200V AC into 3.3V DC to supply power to the MCU, and supplies power to the load through a relay;
MCU board, controlled by ESP32;
The power board and MCU board are connected through pin headers and female headers;
Support physical buttons;
This set of boards is compatible with single-key, double-key, and three-key switches, and supports up to two conversion relays for double switches;
Firmware and Mijia extensions cannot be open source due to confidentiality agreements.
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