Have you seen these identity card swipe machines in many places? Today, I got one to disassemble and take a look. Looking at the shell, it feels like a product from 20 years ago. Produced by Huashi Electronics, it uses non-contact, wireless radio frequency identification (RFID). The working frequency of this wireless communication is 13.56MHz, … Read more
Click the blue text PLC Automation Hub Follow us In industrial automation systems,real-time data interaction between multiple Siemens PLCs is key to achieving intelligent control. This article will delve into the configuration steps of GET/PUT instructions and demonstrate the cross-PLC interaction ofBoolean, Integer, Real, and String data types through complete SCL code. 1. Five Steps … Read more
1. Introduction: Transitioning from C to C# Development C# is an object-oriented programming language developed by Microsoft, based on the .NET framework, and widely used in Windows desktop applications, upper computer development, web services, and more. For developers with a background in C, the core of learning C# upper computer development lies in understanding the … Read more
An In-Depth Explanation and Practical Applications of FreeRTOS Queues What is a Queue? Imagine you are in line to buy ice cream. The first person is at the front of the line, and the first person to finish buying ice cream will leave the queue, followed by the second person, and so on. If you … Read more
Project Introduction IoTGateway is a powerful, open-source (MIT License), cross-platform industrial IoT gateway based on .NET 8. It allows for easy connectivity to various devices and systems (such as PLCs, barcode scanners, CNC machines, databases, serial devices, upper computers, OPC Servers, OPC UA Servers, MQTT Servers, etc.) through visual configuration, enabling bi-directional data communication with … Read more
In network programming, UDP (User Datagram Protocol) is a connectionless transport layer protocol. Unlike TCP, UDP does not guarantee the order of packet delivery and does not provide a retransmission mechanism, making it suitable for scenarios that require high speed but low reliability, such as video streaming and online gaming. This article will introduce how … Read more
We are committed to exploring, sharing, and recommending the latest practical technology stacks, open-source projects, frameworks, and tools. Fresh open-source news awaits your discovery every day! Project Introduction IoTGateway is a powerful, cross-platform industrial IoT gateway based on .NET 8, open-source and free (MIT License). It can easily connect to various devices and systems (such … Read more
We are committed to exploring, sharing, and recommending the latest practical technology stacks, open-source projects, frameworks, and tools. Fresh open-source news awaits your discovery every day! Project Introduction IoTGateway is a powerful, cross-platform industrial IoT gateway based on .NET 8, open-source and free (MIT License). It can easily connect to various devices and systems (such … Read more
Free for commercial use! A low-code visual development platform for industrial web with over 1500 components. Bookmark!!! Is this all about PLC communication? Industrial islands? Connect Modbus and MQTT in one minute. With the rapid development of the Industrial Internet of Things (IoT), real-time data communication between devices has become particularly important. MQTT, as a … Read more
Wi-Fi Wi-Fi ◙ noun [U] • (computing) a system for sending data over computer networks using radio waves instead of wires (the abbreviation for ‘wireless fidelity’) • A wireless transmission system (full form: wireless fidelity, using radio waves for data transmission in computer networks) Daily Word, organizing and collecting vocabulary according to the college entrance … Read more
