I upload last version for DIY boards 5.1 bugs on rs485 connection was fixed
drive.google.com
Serial 1 - Serial BMS connection
Serial 2 - RS485 BMS connection
if u have more battery module and want to use only 1 interface u can override the max charge current and max discharge current for all pack.
View attachment 178491
Data send it to inverter can be see and verify in info page
View attachment 178492
From here project will be migrated to LILYGO T-CAN
If u want to support the project can buy the kits from my Ebay & PayPal
View attachment 178494