Topic · IoT-Hub

MQTT

The lightweight pub/sub messaging protocol behind most IoT telemetry.

Protocols

CoAPCoAP (RFC 7252) brings GET/POST/PUT/DELETE to devices with 8 KB of RAM over UDP. How Observe and DTLS work, and when to pick it over MQTT.
MQTTThe standard pub/sub protocol of IoT

Hardware

Raspberry Pi IoTRaspberry Pi in IoT projects: models (Pi 5, Zero 2W, CM4), use as an MQTT gateway and edge node, GPIO, and when it beats an MCU.

Articles

Smart Water Metering: Meters, Networks and Leak Detection
Smart water metering turns a reading taken once a quarter into hourly data, and that changes what a utility can see: leaks, losses, and real demand.
Oct 22, 2026
OPC UA vs MQTT: How to Bridge the Plant Floor and the Cloud
OPC UA vs MQTT is the wrong framing for most plants: OPC UA describes what the data means, MQTT moves it, and most cloud projects end up needing both.
Oct 20, 2026
IoT Scalability: How to Go From 100 to 10,000 Devices
IoT scalability is never proven by the pilot: a 100-sensor deployment has nothing in common with a 10,000-device one, and the pilot works perfectly right up to
Oct 15, 2026
Multi-Tenant IoT Platform: A Guide for Integrators
A multi-tenant IoT platform is the difference between serving twelve clients and running twelve separate systems in order to do it.
Oct 8, 2026
IoT Device Management: Provisioning, OTA, and Lifecycle
IoT device management starts to hurt the day a project stops being a pilot, and it always arrives as the same question: who holds the list of installed units, a
Oct 6, 2026
How to Connect an Ecowitt or Davis Weather Station
How to get Ecowitt and Davis weather station data out of the vendor app and into an IoT platform, with the differences between the Ecowitt API v3 and the WeatherLink v2 API.
Oct 5, 2026