· Eduardo Vieira · Industrial Connectivity
Resilient IIoT Gateways: Store-and-Forward Without False Guarantees
Design bounded offline buffering, replay, and observability for an IIoT gateway without assigning cloud systems a control role.
Engineering Insights
Expert insights, tutorials, and industry updates on industrial automation, embedded systems, and mechanical engineering
· Eduardo Vieira · Industrial ConnectivityLegacy SNMP and Modbus to MQTT: A Safe Gateway Boundary
Bridge legacy read-only data to MQTT with explicit mapping, quality, time, and cybersecurity boundaries.
· Eduardo Vieira · Industrial ProtocolsMQTT QoS, Retained Messages, and Persistent Sessions
Choose MQTT delivery semantics by message purpose without mistaking broker acknowledgement for physical effect.
· Eduardo Vieira · Industrial ModernizationControl Panel Audit Before a Retrofit
Establish the actual panel baseline, energy boundaries, and acceptance path before changing wiring or controls.
· Eduardo Vieira · Industrial ProgrammingPLC Logic Validation Before Commissioning
Build evidence from requirements through simulation, HIL, FAT, SAT, and physical sign-off without confusing the levels.
· Eduardo Vieira · Industrial ProtocolsModbus Function Codes: The Definitive Guide (0x01 to 0x17)
Master Modbus function codes with real-world examples in C (libmodbus) and Python (pymodbus). A complete guide to reading coils, inputs, and registers without errors.