Tutorials & Guides

Getting Started with Embedded Systems
Board Setup & Configuration
Programming Tutorials (C, Python, Rust)
Debugging & Performance Optimization

Practical Linux Vulnerability Patching: Targeted Strategies Based on Risk for Efficient Fixes

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Practical Linux Vulnerability Patching: Targeted Strategies Based on Risk for Efficient Fixes

1. Introduction: Vulnerability Patching Should Not Be “One-Size-Fits-All”; Targeted Approaches Are More Efficient In the previous article, we categorized vulnerabilities into risk levels using a simplified method, similar to how a doctor diagnoses a condition — distinguishing between “emergencies (high risk)”, “common illnesses (medium risk)”, and “minor issues (low risk)” to avoid blind treatment. The … Read more

Introduction to Linux Operating System Configuration and Management

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Introduction to Linux Operating System Configuration and Management

This content is derived from the book edited by Teacher Xia Liqin, titled “Linux Network Operating System Configuration and Management”, intended for the teaching of first-year vocational college students. Let’s work hard together for those who want to learn seriously! 1. Course Introduction 1.What is an Operating System An Operating System (Operating System, abbreviated as … Read more

Linux System Programming: Setting Up a Development Environment with Virtual Machine, Ubuntu, SSH, and VSCode

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Linux System Programming: Setting Up a Development Environment with Virtual Machine, Ubuntu, SSH, and VSCode

Introduction To learn Linux, we first need to install a Linux system. Since most students have Windows installed on their computers, we will set up a convenient Linux development environment using the combination of “Virtual Machine + Ubuntu (Linux System) + SSH + VSCode”. Computer Configuration Requirements • Memory: Recommended 4GB or more (8GB is … Read more

How to Create a Shared Wi-Fi Sticker?

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How to Create a Shared Wi-Fi Sticker?

Shared Wi-Fi stickers have now deeply integrated into our lives, becoming an indispensable tool for accessing the internet. With them, we can enjoy free internet access in many places without worrying about high internet costs. If you are not familiar with shared Wi-Fi stickers, follow the steps below to start your exploration. Step 1: Understand … Read more

Practical Guide: Selection of Wi-Fi 7 Devices and Network Optimization Strategies

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Practical Guide: Selection of Wi-Fi 7 Devices and Network Optimization Strategies

Step-by-step guide to building a high-speed home network for the future After in-depth analysis of Wi-Fi 7 technology principles in previous issues, today we will focus on practical applications, providing a complete Wi-Fi 7 network deployment plan from device selection to network optimization. This discussion is not from the perspective of engineers working on projects, … Read more

Classic Application of the ‘Three-Stage’ Algorithm in Sensorless Control

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Classic Application of the 'Three-Stage' Algorithm in Sensorless Control

Classic Application of the ‘Three-Stage’ Algorithm in Sensorless Control Initial Positioning → IF Start → Switch to Sliding Mode Observer after Speed Criteria Met 1.Overall Logical Framework The core contradiction of sensorless control is: weak back electromotive force (EMF) at low speed/stationary state makes observation impossible, while at high speed, dynamic response and robustness must … Read more

Can You Master C Language and Join the National Team?

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Can You Master C Language and Join the National Team?

At 20 years old, Qu Geping stands on the National Games stage with programming assignments in hand. This former key midfielder of the national youth team has returned to the green field after a year of rehabilitation. Now, being a “professional player” is no longer his only identity—he is also a student at Jilin University … Read more

Detailed Analysis of C Language Programming Exam Points for Vocational Education Entrance Examination

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Detailed Analysis of C Language Programming Exam Points for Vocational Education Entrance Examination

As the vocational education entrance examination approaches, preparation for computer science courses has entered a critical stage. C language programming, as an important skill subject in computer science, has always been a key and challenging area in the exam. Today, we will provide a detailed analysis of the main exam points for C language programming … Read more

Comprehensive Guide to the Semiconductor Industry: Five Key Segments, Major Companies Map, and Job Search Strategies for All Ages

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Comprehensive Guide to the Semiconductor Industry: Five Key Segments, Major Companies Map, and Job Search Strategies for All Ages

From the intense computing power competition of AI large models to the “chip” battle in new energy vehicles, and to every smart device around us, a powerful “Chinese chip” is pulsating behind it. This is no longer distant technology news, but a global wave of a “new gold rush” that concerns the future. Since 2023, … Read more

This 3D Printing Template Manual is Every Student’s Dream Tool

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This 3D Printing Template Manual is Every Student's Dream Tool

This ruler can be used for taking notes and drawing patterns, and can also be used in self-study classes for drawing little figures and playing around. It is perfect for students doing homework, and for drawing diagrams. The author, being a Virgo, has meticulously designed every detail of the patterns, various installation methods, eye-catching colors, … Read more