We have designed 30 Channel ESP32 energy monitor open source board – M30 (ESP32 30 Channel CT Clamp Energy Monitor) for home automation DIYer. The hardware have 30CH CT Clamp sensor INPUT ports + 3CH ZMPT101B voltage sensor + SD card + 30CH RGB colorful LED for current value. Ethernet+RS485+4G modbus 30CH high-accuracy energy meter ic-BL0910 with CT clamp. it can easy integrate to home assistant by ESPHome.
Related technical information
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schematic: https://www.kincony.com/download/M30-schematic.pdf
ESP32 I/O pin define: https://www.kincony.com/forum/showthread.php?tid=4087
config yaml file for ESPHome: https://www.kincony.com/forum/showthread.php?tid=4088
arduino demo source code: https://www.kincony.com/forum/forumdisplay.php?fid=50
