esphome-for-bms -> Based on syssi's great work!

Two solutions

• DIY generic esp32 & TTL converter hardware, use "seplos-esp32" and the wiring below
• For KlatremisHW/Lilygo, use "seplos-klatremishw" file

Supported hardware

Seplos BMS

• Multiple or standalone Seplos BMS 2.0 V16 (with CAN to master, the master cant be monitored this way over rs485)

Requirements

• ESP32
• TTL To RS485 Module with automatic flow control
  or
• KlatremisHW Basic/Lilygo t-can 485, *For now, only danish customers: https://badenergy.dk/product-category/inverter/inverter-styring/

KlatremisHW solution example

All sensors in Home assistant

Lovelace dashboard example

Thanks to PVPRO/Jonas for the below dashboard example <3 Link to his page about it: https://github.com/pvprodk/HA-seplos-bms

This example can be found in the files above (lovelace_dashboard.yaml)

HACS addon requirements

• custom:button-card
• custom:bar-card
• custom:apexcharts-card

Wiring of generic esp32 & TTL module

RX / TX between esp and ttl converter may have to be swapped. This seems to be a little different from espboard to espboard. If it dosent communicate(RX/TX led both blinking) Try swap rx/tx on the esp.