09-15-2023, 10:28 AM
your esphome LOG showed, have not detected i2c bus device. i suggest you download KCS v2 firmware to test control relay whether work well firstly.
here is details: https://www.kincony.com/esp32-kcsv2-firmware.html
if KCS firmware work well, then go to next step for check ESPHOME config.
here is details: https://www.kincony.com/esp32-kcsv2-firmware.html
if KCS firmware work well, then go to next step for check ESPHOME config.