Image Source: InductiveAutomation Author | Jim Meyers “ By upgrading to a new Supervisory Control and Data Acquisition (SCADA) system, renewable energy companies gain more optimization and improvements in operations and business management. ” While making the system easier to meet compliance requirements, manufacturers can also gain other benefits. Just ask Roeslein Renewable Energy (RAE), … Read more
What to do when you encounter difficulties during development? Supports text and voice direct conversations 👇 Highly recommended 👇 24h online assistant Recent Popular Articles: 🔥Integrating UReport2 in RuoYi Frontend and Backend Separation (154) 🔥Integrating MyBatis-Plus-Ext Tutorial in RuoYi Separation Version (153) 🔥Integrating Electron to Achieve Desktop Applications in RuoYi Separation Version (139) 🔥Upgrading Spring … Read more
The MQTT protocol is an essential key element in today’s Internet of Things (IoT) field, providing core technical support for efficient and real-time data transmission. Currently, projects offering MQTT capabilities are mainly concentrated in traditional, existing “out-of-the-box” IoT device management platforms, lacking sufficient attention and exploration of the underlying MQTT protocol implementations. However, we firmly … Read more
Recently, I’ve been quite busy, and focusing on the right direction is important. The VFP hardware development course has recently concluded, and I’m taking the opportunity to complete the MQTT client, which supports QOS0, QOS1, and LAST WILL MSG. Support for QOS2 will be considered if there is demand. Cat’s Heartfelt Words Garfield’s VFP | … Read more
1. Application Devices OT devices: Stepper motor, MODBUS TCP remote I/O module, PLC devices; Edge device: Hongji Industrial Raspberry Pi; IT devices: PC, Android phone; IT software: Hongji HiveMQ MQTT communication platform. 2. Principle The Hongji Industrial Raspberry Pi collects data from the stepper motor, MODBUS TCP IO module, and PLC device using the MODBUS … Read more
Introduction: MQTT is an instant messaging protocol developed by IBM. MQTT is a connection protocol aimed at M2M and the Internet of Things, utilizing a lightweight publish and subscribe message transmission mechanism. You can directly download the source code of the MQQT service from GitHub, source code address: https://github.com/mqtt/mqtt.github.io/wiki/libraries Main Content: Official Document Translation: The … Read more
The MQTT protocol, which stands for Message Queuing Telemetry Transport, is a lightweight messaging protocol based on the publish/subscribe model, designed for the Internet of Things. Here’s a detailed introduction: Protocol Basics Protocol Overview: MQTT was originally developed by IBM to provide a simple and efficient messaging communication method for resource-constrained devices and low-bandwidth, high-latency … Read more
Introduction In the era of IoT, real-time communication between devices has become increasingly important. MQTT, as a lightweight messaging protocol, is particularly suitable for IoT scenarios. Today, we will explore how to implement MQTT communication using Python, allowing your devices to achieve intelligent interconnection. 🔍 Understanding MQTT MQTT (Message Queuing Telemetry Transport) is a messaging … Read more
NewEnergyVehicles have ushered in the era of automotive intelligence, transforming cars from isolated transportation tools into smart carriers that can deeply integrate with the entire transportation system, providing users with a new digital experience.The era of intelligent connected vehicles also offers users more intelligent applications, such as assisted driving, autonomous driving, and intelligent traffic systems, … Read more
Introduction The previous article shared: “A Simple Understanding of MQTT and Mosquitto”, which only covered some concepts of MQTT and an introduction to Mosquitto. Then readers urged for more: In this article, we will share an example of using MQTT for inter-process communication. We will modify the comprehensive demo from the previous article “Examples of … Read more