Follow the IoT Planet to track the dynamics of the Internet of Things! “IoT Planet” aligns with global industry trends, focusing on the integration of IoT and industry, and sharing technologies and applications related to IoT. Mainflux is a modern, scalable, and secure open-source IoT platform written in Go. It connects devices through various network … Read more
Hello everyone, this article introduces the MQTT protocol and how to use the MQTT client and develop it in the OpenWrt system, along with relevant example code. Introduction to MQTT MQTT (Message Queuing Telemetry Transport) is a lightweight communication protocol designed for transmitting messages in low bandwidth and unstable network environments. It was originally developed … Read more
Telemetry technology is a relatively old concept in the field of communication. As early as the last century, sensors had the capability to transmit signals over long distances, enabling scientists to monitor terminal machines and other activities remotely. Today, with the aid of computer processors, machines can receive data from sensors and other machines and … Read more
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