There are 2 repositories under jbd-bms topic.
ESPHome component to monitor and control a Xiaoxiang Battery Management System (JBD-BMS) via UART-TTL or BLE
Read Xiaoxiang BMS data through BLE on Adafruit nrf52 devices
This integration allows to monitor Bluetooth Low Energy (BLE) battery management systems (BMS) from within Home Assistant.
Monitoring a JBD BMS over UART Port outputs on web, http json, mqtt
An ESP32 JBD LFP Pack monitoring/safety cutoff charging solution for use with Dumb LeadAcid chargers.
python script to pull data from a JBD BMS using BTLE on a raspberry pi and add to postgres db
Use a ESP32 as a bridge between venus GX serialBattery and BLE BMS based on the JBD protocol