For the last few months, I had been using Sparkfun’s Phant server as a data logger for a small science project. Unfortunately, they’ve had some serious technical issues and have discontinued the ...

MCUs are ideal MQTT clients because the protocol is lightweight and designed for low-bandwidth, low-RAM environments.

Editor’s Note: The MQTT lightweight messaging protocol is a fundamental part of the technical foundation of most IoT applications and their underlying services. Taken from the book, MQTT Essentials – ...

In this installment of Minimal MQTT, I’m going to cover two loose ends: one on the sensor node side, and one on the MQTT server side. Specifically, I’ll tackle the NodeMCU’s sleep mode to reduce power ...

Executive Summary The three Quality of Service levels (QoS) offered by MQTT may have been adequate for the original design ...

The convergence of Operational Technology (OT) and Informational Technology (IT) has become a strategic imperative for those organisations aiming to unlock efficiency, innovation and competitiveness.

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A key aspect of MQTT’s (message queueing telemetry transport) architecture involves the use of an intermediary server to collect data, as it changes, from the devices it is connected to. It then ...

According to Grand View Research, the global smart-lock market size was valued at $1.2 billion in 2019, with over 7 million devices sold that year alone. It is further projected to register a CAGR of ...