Very simple example of Modbus context on stm32 via RS485/RTU. Just the demo. You can read/write Modbus context with any Modbus/RTU client, get/set any Modbus registers. Input registers 0 and 1 contain ...

Sigenergy Energy Storage System Integration for local Modbus‑TCP monitoring and control into Home Assistant. Gain real‑time insights, dynamic device management, and seamless UI‑based setup.