Year: 2025

Popular Chrome Extensions Expose Dual Vulnerabilities of HTTP and Hardcoded Keys

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Popular Chrome Extensions Expose Dual Vulnerabilities of HTTP and Hardcoded Keys

Source: Security Circle Cybersecurity researchers have discovered serious security vulnerabilities in several popular Google Chrome extensions: transmitting data over HTTP in plaintext and hardcoding keys in the code, putting user privacy and security at risk. Symantec’s Security Technology Response Team researcher pointed out: “Several widely used extensions transmit sensitive data via unencrypted HTTP protocols, exposing … Read more

What are HTTP Status Codes? A Deep Dive into Common Status Codes

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What are HTTP Status Codes? A Deep Dive into Common Status Codes

HTTP Status Codes Today, let’s talk about the topic of HTTP status codes! Whether you are a beginner or an experienced developer, HTTP status codes are an essential knowledge point that you must master! They can help you solve problems and improve your website’s performance and user experience. Are you ready? Let’s dive in! Classification … Read more

Who Says PLC Can’t Directly Connect to MQTT?

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Who Says PLC Can't Directly Connect to MQTT?

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

Incredible! The Amazing Operations of the Architecture Built by the Three Giants: EtherNet/IP, EtherCAT, and IO-Link!

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Incredible! The Amazing Operations of the Architecture Built by the Three Giants: EtherNet/IP, EtherCAT, and IO-Link!

After years of development, various bus systems in the market have matured, leading to lower costs for bus-equipped devices and higher market penetration. This has given rise to classic bus automation system architectures, which are no longer limited to the automotive industry but have spread to various small and medium enterprises. First, this architecture generally … Read more

Comprehensive Analysis of Siemens PLC Communication Protocols: How to Choose Between PROFIBUS, PROFINET, and Ethernet?

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Comprehensive Analysis of Siemens PLC Communication Protocols: How to Choose Between PROFIBUS, PROFINET, and Ethernet?

Comprehensive Analysis of Siemens PLC Communication Protocols: How to Choose Between PROFIBUS, PROFINET, and Ethernet? Hello everyone, I am Lao Chen. When it comes to industrial automation, PLC communication is undoubtedly one of the core skills. Especially when using Siemens PLCs, choosing the right communication protocol can save half the effort during on-site debugging. Today, … Read more

PROFIBUS Master to CAN-ADFWEB Gateway Converter – Guangzhou Xinyu IoT

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PROFIBUS Master to CAN-ADFWEB Gateway Converter - Guangzhou Xinyu IoT

PROFIBUS Master toCAN-ADFWEB Gateway Converter–Guangzhou Xinyu IoT Author:www.adfweb.com.cn Zou Wuyi Mobile185-020-77899 Email: [email protected] 1、Features: The configurable “PROFIBUS Master/CAN converter” has the following features: Triple isolation between CAN and PROFIBUS, CAN and power supply, PROFIBUS and power supply; Can be mounted on a 35mm DIN rail; Power supply: 8…24V AC or 12…35V DC; Operating temperature range: … Read more

NI Modbus Library Overview

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NI Modbus Library Overview

Click the blue text above to follow our public account, where we share a LabVIEW case every day. The NI Modbus Library (ni_lib_modbus_library-1.2.1.42.vip) is a dedicated communication library developed by NI for LabVIEW, based on a modular design concept. It encapsulates the core functionalities of the Modbus protocol, providing engineers with a graphical programming interface … Read more

A Comprehensive Guide to the Modbus Protocol

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A Comprehensive Guide to the Modbus Protocol

Hello everyone, welcome to <span>Lixin Embedded</span>. In the field of industrial automation, Modbus is undoubtedly a name that cannot be ignored. As a communication protocol that originated in the late 1970s, it has stood the test of time, quietly supporting the interconnectivity of countless factories and devices. Today, let’s discuss Modbus, the veteran protocol of … Read more

FPGA Hardware Design (Part 7) – USB to JTAG Circuit

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FPGA Hardware Design (Part 7) - USB to JTAG Circuit

Introduction: JTAG stands for Joint Test Action Group, which is commonly referred to in the IEEE standard 1149.1 as the Standard Test Access Port and Boundary Scan Architecture. Its functionality is powerful, but for engineers engaged in embedded development, the most frequently used feature is programming chips, which typically requires a dedicated emulator. This article … Read more

Implementation Code for One-Click Conversion Between MDB and GDB in ArcGIS

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Implementation Code for One-Click Conversion Between MDB and GDB in ArcGIS

#-*- coding: utf-8 -*- # This script can be used for conversion between GDB and MDB import arcpy import os print("Please enter the database") SRSJK = r'D:\工作\数据处理\20250616\Project360702.gdb' clean_path = SRSJK.rstrip(os.sep) print(clean_path) srsjkhzm = os.path.splitext(clean_path)[1] print("Database entered, the type of database you entered is " + srsjkhzm) print("Please enter the folder for the output database") SCSJKLJ … Read more