SDM72D-M ──RS485── ESP32-S3 ──WiFi── Victron GX / Cerbo │ ├─ Core 1: Modbus RTU Master (UART1) ├─ Core 0: Modbus TCP Server (:502) └─ HTTP API (:80) — OTA, Status ├── main/ │ ├── main.c # Entry point ...

For simplicity, the following examples are all using Modbus TCP. For Modbus RTU, replace the address field and use the rtu-arguments in order to use different ...

The Data Station Plus from Red Lion Controls was handed to me to analyse the attack surface. The device is designed to connect to SCADA data acquisition devices over Modbus, Profibus, etc. by Serial ...