Upload Sensor Data to MQTT Cloud Service via NodeMCU (ESP8266)This example will demonstrate how to report the temperature and humidity data collected by the DHT11 sensor to the MQTT service in the cloud through the MQTT protocol and the NodeMCU based on ESP8266 , and show how the application subscribes to and processes the data.
Introduction to the Commonly Used MQTT Client LibraryThis article lists the MQTT client libraries of some commonly used programming languages, and uses sample codes to help readers get started quickly.
Deploying EMQX 4.0 cluster on Kubernetes via Helm3Helm3 was released in November 2019, which adds many new features compared to Helm2.In this article, how to deploy EMQX cluster on Kubernetes via Helm3 will be introduced.
EMQX Enterprise 3.4.0 OverviewOfficially launched in September, the official version of EMQX Enterprise 3.4.0 is released by EMQ. In this version, the management configuration and rule engine functions are enhanced, message encoding and decoding, cluster hot configuration and vehicle networking protocol support are added, and a new management monitoring Dashboard page is designed, and this version is a stable version recommended for enterprise applications.
Properties and Loads | MQTT 5.0 New FeaturesCompared with MQTT 3.1.1, MQTT 5.0 protocol adds many properties, which are distributed in variable headers and payloads of packet.
Erlang vs ScalaErlang is a general-purpose, concurrent, functional programming language, as well as a garbage-collected runtime system.