Hi, I just installed OMG via the web installer using the esp32-lolin32lite-ble image. I believe to have it configured appropriately and see beacon data through mqtt explorer. I am trying to view the voltage of my Blue Charm BC04P beacons that I configured with KSensor per your instructions. Next steps would be for me to add this configuration to Home Assistant.
Yes, there seem to be a slight difference in your servicedata which makes Theengs Decoder not recognise it as a BlueCharm beacon. Likely due to some newer firmware or possible some setting of the beacon through its app.
I will submit a fix for this amended servicedata, which should be available in the development version of OpenMQTTGAteway in the next days. You should then see the following for your above sample data