ESPHome firmware: BlueSun lithium bank BMS via Octopus BLE protocol on ESP32-S3 with 4-inch LVGL touchscreen. 86 sensors to Home Assistant.
ble home-assistant bms lvgl ble-central esphome lifepo4 esp32-s3 sunton-4848s040c bluesun octopus-bms solar-off-grid
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Updated
Jul 9, 2026 - Python