Circuit Board Repair Process Techniques for Beginners
Circuit Board Repair Process Techniques for Beginners
Year: 2025
Observing Circuit Board Drilling
Jiang Hongping | “Observing Circuit Board Drilling” 01 Original Poem Observing Circuit Board Drilling By/Jiang Hongping On a smooth square, a hidden world is being constructed with tools invisible to the naked eye breaking through the circuit board leaving neatly arranged small dots with the knowledge stored in my mind I know that within the … Read more
Breakthroughs in Processing Challenges of PTFE Materials for Microwave Circuit Boards
Breakthroughs in Processing Challenges of PTFE Materials for Microwave Circuit BoardsIntroductionWith the rapid development of high-frequency applications such as 5G communications, radar systems, and satellite navigation, the design and manufacturing of microwave circuit boards face higher demands. Among them, polytetrafluoroethylene (PTFE) materials have become the preferred substrate for high-frequency circuit boards due to their excellent … Read more
Electronic Engineers – PCB Design
Electronic Engineers and PCB Design PCB design is an indispensable part of modern electronic engineering. As an electronic engineer, mastering PCB design skills is an important aspect of one’s career. This article will introduce the basic concepts of PCB design, the design process, and common design software. 1. Basic Concepts of PCB Design A printed … Read more
Understanding Grounding in Circuit Boards
Circuit boards are one of the fundamental components of modern electronic devices. Various electronic components on the circuit board are connected by metal wires, forming complex circuits. Grounding is crucial in these circuits. This article will introduce the basic knowledge related to grounding in circuit boards to help readers better understand the design and manufacturing … Read more
FreeRTOS Examples: A Collection of FreeRTOS Code Samples and a Practical Textbook for Embedded Real-Time Systems
In the world of embedded development, every engineer has their own “secret weapon.” Today, I want to talk about FreeRTOS Examples, a project that not only preserves the core examples of FreeRTOS but also serves as a treasure trove filled with practical charm. Whether you are a beginner or an experienced developer, you can find … Read more
A Microcontroller Engineer’s Perspective on Embedded Linux
Introduction This article provides a brief overview of some knowledge related to Embedded Linux, serving as a reference for those who, like me, wish to advance from microcontroller programming to Embedded Linux. With the increasing number of tutorials on Embedded Linux, I believe many friends studying microcontrollers have started to explore this area. What to … Read more
When SQL Injection Encounters Strange Encoding Issues
Introduction Recently, during a penetration test for a client, I discovered a peculiar SQL injection. It was peculiar because the database connection encoding of the system was inconsistent with the actual database encoding, and the database table field names used Chinese characters, making it impossible to retrieve database data through normal means. The Story Begins … Read more
How to Detect Human Eyes with MATLAB? Use This Function for Object Detection
Accurately identifying human eyes and locating their positions is crucial for numerous applications. From identity verification in security monitoring to gaze tracking in human-computer interaction, reliable human eye recognition technology is indispensable. The following code demonstrates a process for human eye recognition and position marking using MATLAB. Estimated reading time: 5 minutes. 1. Code %% … Read more
Design of a DC Adjustable Voltage Regulator Based on Multisim 14 Simulation
Abstract This article presents a design scheme for a DC adjustable voltage regulator based on Multisim 14 simulation. The design includes a basic voltage regulation module, a voltage stabilization circuit, and a protection circuit, capable of providing stable output voltage under different load conditions. The performance of this power supply design in terms of voltage … Read more