Tag - Edge Gateway
Industrial edge gateways that only forward data usually lose control of buffering, replay order, duplicate writes, and acknowledgment recovery during weak network conditions. This article shows how a practical store-and-forward design should work.
Industrial IoT platforms that treat Modbus, OPC UA, MQTT, and HTTP as isolated drivers usually lose control of semantic mapping, error handling, command confirmation, and data quality. This article outlines a safer protocol adapter layer design.
Blog, IoT Protocols and Interoperability , March 31, 2026 , Command Pipeline, Data Modeling, Edge Gateway, HTTP API, Industrial IoT, Modbus, MQTT, OPC UA, Platform Architecture, Protocol Adapter Layer
OPC UA, MQTT, and Modbus are not simple replacements for one another in industrial IoT. In many practical architectures, Modbus stays at device access, OPC UA unifies edge semantics, and MQTT carries northbound events and decoupled platform integration.
Blog, IoT Protocols and Interoperability , March 27, 2026 , device integration, Edge Gateway, Industrial IoT, Modbus, MQTT, OPC UA, protocol layering
Building an ESP32 Modbus-RTU bridge is not mainly about connecting a MAX485 board. The real issues are RS485 electrical design, UART ownership, polling cadence, and the operational boundaries of ESPHome modbus_controller. This article explains how to bridge PLC data into ESPHome and Home Assistant more reliably.
Blog, IoT Protocols and Interoperability , March 24, 2026 , Edge Gateway, ESP32, ESPHome, Home Assistant, Industrial Bridge, IoT integration, Modbus RTU, PLC, RS485, UART
What is OPC UA FX and how does it improve industrial interoperability? Learn how it works, how it compares to MQTT, and when to use it in industrial IoT systems.