DALI to MQTT – ADFWEB Gateway Converter–Guangzhou Xinyu IoT Author:www.adfweb.com.cn Zou Wuyi Mobile185-020-77899 Email: [email protected] 1 Features: HD67941-B2 is a DALI/MQTT converter with the following features: – Electrical isolation between Ethernet and DALI ; – Can be mounted on a 35mm standard rail; – Wide power input range:18…35V DC and 8…24V AC; – Wide operating … Read more
In modern industrial automation systems, interconnectivity between devices is core. Whether for data acquisition, remote control, or production management, an efficient and stable communication system is essential. From the underlying physical interfaces to protocol standards, and up to the upper-level HMI and SCADA application software, industrial communication has gradually developed a complete architecture. Today, we … Read more
Java Internship Mock Interview on MQTT IoT Monitoring: Practical Design of Lightweight Protocols in Device Communication Keywords: MQTT, IoT, Device Monitoring, Message Queue, Lightweight Protocol, Spring Boot, Netty, QoS, Retained Messages With the rapid development of Internet of Things (IoT) technology, a vast number of devices need to communicate with backend systems in real-time and … Read more
In the fields of automation and Industrial Internet of Things (IIoT), Programmable Logic Controllers (PLCs) have played an indispensable role. With the development of network technology, real-time collection and management of PLC data has become a crucial demand for smart factories. MQTT, as a lightweight communication protocol, demonstrates its unique advantages in PLC data collection. … Read more
IoT General Protocols:1. MQTT (Message Queuing Telemetry Transport) — A lightweight messaging protocol designed for device communication in low bandwidth and unstable network environments (Applicable: Remote monitoring of IoT devices, sensor data transmission)1) Small protocol header, suitable for resource-constrained devices2) Publish/Subscribe model3) QoS: Provides three levels of service quality 2. CoAP (Constrained Application Protocol)CoAP is … Read more
Introduction Dear friends, in the previous article, we completed the compilation and installation of FFmpeg on the Mac platform. In this section, we will share the compilation and installation of FFmpeg on Linux (using Ubuntu as an example). If you need documentation for other distributions, feel free to message me. To facilitate subsequent practical coding, … Read more
Internet of Everything Arduino-MQTT Development Teaching (Part Three) Welcome, students, to this creative and technologically captivating innovative technology class! Have you ever thought about how every object in our lives can “speak” and interact with us in wonderful ways? This is not a fantasy, but a future vision painted by Internet of Things (IoT) technology! … Read more
Modbus to MQTT—ADFWEB Gateway Converter–Guangzhou Xinyu IoT Author:www.adfweb.com.cn Zou Wuyi Mobile185-020-77899 Email: [email protected] 1、Features: HD67933-B2 is a Modbus master/ MQTT converter with the following features: – MQTT and Modbus electrical isolation; – Can be installed on 35mm DIN rail; – Wide power input range:18…35V DC and 8…24V AC; – Wide operating temperature range:-40°C to 85°C … Read more
Click to follow and stay on track — a public account that shares only valuable content in the low-code world In front-end development, real-time communication is one of the core capabilities for building highly interactive applications. From smart device monitoring to real-time news push, different business scenarios have distinctly different requirements for communication reliability, bandwidth … Read more
The implementation effect is as follows: 🧩 Function Overview 1. Switch State Control Supports two states: On (checked) and Off (unchecked). Can toggle state by clicking. Supports immediate state setting without animation (<span>setChecked</span>) and state switching with animation (<span>setCheckedWithAnimation</span>). 2. Multiple Built-in Styles Provides three built-in styles (<span>ButtonStyleOne</span>, <span>ButtonStyleTwo</span>, <span>ButtonStyleThree</span>), each style uses different switch … Read more