MQTT, which stands for Message Queuing Telemetry Transport, enables smart devices, particularly those with low processing power, to communicate locally without requiring an intern ...

Welcome to Take Five with Automation World. I’m David Greenfield, Director of Content, and today we’re going to look at how industrial communications—namely OPC UA and MQTT—enable interoperability.

Despite its small form factor, the Raspberry Pi is a highly capable system you can grab for well under $100. Depending on your interests, it can double as anything between an emulation system, stream ...