Introduction MQTT (Message Queuing Telemetry Transport) is a lightweight messaging protocol widely used in the Internet of Things (IoT), mobile applications, and other fields. It is based on a publish/subscribe model, providing an efficient messaging mechanism. This article will provide a detailed analysis of the fixed header, variable header, and payload in the MQTT protocol, … Read more
Recently, I have been testing the integration of Mobotix cameras with HomeAssistant. Through testing, I found that the images from Mobotix cameras can be successfully integrated into HomeAssistant via the Onvif protocol or RTSP. So how can the alarm signals from the Mobotix cameras be integrated into HA? Since Mobotix cameras support the MQTT protocol, … Read more
In IoT development, the MQTT protocol has become the “golden partner” for cloud connectivity due to its lightweight nature, low bandwidth consumption, and efficient communication. However, developers often encounter issues such as connection management, protocol compatibility, and low power optimization in practical applications. Newcomers may also struggle with practical operations regarding hardware and software… This … Read more
Note: Please be aware that there is a resource download method at the end of the article. Download and save it as soon as possible to avoid deletion! MQTT Protocol 📡 Have you heard of MQTT? If you are interested in the Internet of Things (IoT), it is definitely a topic you cannot avoid! Today, … Read more
Note: Please be aware that there is a resource download method at the end of the article. Download and save it as soon as possible to avoid deletion! MQTT Server 📡 Have you ever wondered how IoT devices “talk” to each other? The answer is—MQTT! Today, we will discuss this amazing protocol and its servers. … Read more
Recently, while testing the integration of Mobotix cameras with HomeAssistant, I found that the Mobotix camera images could be successfully integrated into HomeAssistant via the Onvif protocol or RTSP. So how can the alarm signals from the Mobotix camera be integrated into HA? Since the Mobotix camera supports the MQTT protocol, and HA also supports … Read more
CMake vs qmake: Which One Should You Choose? 🔥 Today, let’s discuss CMake and qmake, two tools used for managing project builds, but they have significant differences! 💡 Design Philosophy • CMake: It is a cross-platform build system generator that supports various compilers and build tools, such as Make, Ninja, Visual Studio, etc. It handles … Read more
Forum Weekly 08 Jul 2022 This week’s highlights: 1. Video tutorial on implementing MQTT protocol communication with microcontroller + WiFi module and Alibaba Cloud IoT platform 2. Repair of Lenze 8201 and 8202 auxiliary power supplies 3. Beware of counterfeit products – fake IGBTs, a reminder for maintenance personnel! 4. Inverter manual… 4G capacity 5. … Read more
Abstract QT, as a cross-platform application development framework, has always been the top choice for Linux user interface development. Since its inception in 1991, QT has been acquired multiple times, but its features for cross-platform development and support for multiple platforms have only increased. This article is an excerpt from a technical post by enthusiastic … Read more
Concubine: “Your Majesty, I heard that you are recently researching an IoT project? I would like to try developing a simple sensor monitoring system, but I don’t know where to start…” Majesty: “It is good that you have such ambition. Today, I will teach you to use Cursor, this magical tool, to easily master sensor … Read more