OPC UA Protocol: The Complete 2026 Technical Guide
OPC UA in 2026 — companion specs, PubSub over MQTT/UDP, FX field-level extensions, security state, and migration from DA/Classic.
Modbus Protocol: Complete Technical Guide (Updated 2026)
Modbus RTU, ASCII, and TCP explained — frame structure, function codes, security gaps in 2026, and migration to MQTT/OPC UA.
DDS vs MQTT vs OPC UA: Industrial Messaging Protocol Comparison (2026)
DDS vs MQTT vs OPC UA in 2026 — QoS, discovery, security, broker vs brokerless, and a decision matrix for picking the right industrial messaging protocol by use case.
MQTT 5.0 Features Deep-Dive: Shared Subs, Topic Aliases, Flow Control
MQTT 5.0 features that actually move the needle — shared subscriptions, topic aliases, flow control, user properties, reason codes, and the 2026 production patterns to use them.
Build an OPC UA Server in Python with asyncua (Tutorial)
Hands-on tutorial: building a production-ready OPC UA server in Python with asyncua — address space modeling, security policies, subscriptions, and Docker packaging for IIoT in 2026.
BACnet/IP and BACnet Secure Connect: Building Automation Deep Dive
BACnet/IP architecture, BACnet Secure Connect (BACnet/SC), object model, BBMD broadcasting, hub-and-spoke topology, and the 2026 cybersecurity migration story.
OPC UA Pub/Sub: MQTT vs UADP Architecture Comparison
OPC UA Pub/Sub architecture compared — UDP UADP for deterministic LAN delivery vs MQTT for cloud-friendly fan-out. Mappings, message security, and when each wins.
HART Protocol Deep Dive: Field Device Integration with 4-20mA Loops
HART protocol architecture — how digital data rides on 4-20 mA analog loops, HART-IP gateways, WirelessHART mesh, and the role of HART 7 in modern Industry 4.0 stacks.