Home Assistant now has native support but the native integration doesn't do tank percentage calculation. Follow this discussion for updates or comments. spbrogan/sensor.mopeka_pro_check#22
There is a great esphome integration that works well and is easy to use. Please checkout the esphome integration here https://esphome.io/components/sensor/mopeka_pro_check.html?highlight=mopeka
Basic package for using a BLE adapter to passively read BLE GAP advertisements looking for Mopeka Pro Check Sensors and decoding the mfg data.
Fluid depth, sensor battery voltage, and other information is available.
- Pro Check LP gas - https://mopeka.com/product/mopeka-check-pro-lp-sensor/
Github Project here: https://github.com/spbrogan/mopeka_pro_check