We have designed ESP32 Energy Meter Relay Controller – KinCony M1 (ESP32 1 channel AC voltage and current energy monitor) for home automation DIYer. it can easy integrate to home assistant by ESPHome. it use by BL0942 energy chip, support by ESPHome. the hardware have BL0942 sensor + 1CH DIGITAL INPUT port + 1CH ZMPT107-1 voltage sensor + Ethernet POE+ WiFi + Bluetooth + 30 Relay. It have I2C bus extender terminal.
Related technical information
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schematic: https://www.kincony.com/download/KC868-M1-schematic.pdf
ESP32 I/O pin define: https://www.kincony.com/forum/showthread.php?tid=3300
config yaml file for ESPHome: https://www.kincony.com/forum/showthread.php?tid=3301
arduino demo source code: https://www.kincony.com/forum/showthread.php?tid=3303
