Getting Started with Embedded Systems
Board Setup & Configuration
Programming Tutorials (C, Python, Rust)
Debugging & Performance Optimization
The Florist(Class C2304, Chen Yao) Calculating the days, it is now the month of Lei Feng. Lei Feng’s spirit of being helpful and showing love is worth learning from. According to previous years, the “Charity Sale” should be held around this time, and I instantly felt happy. The teacher informed us in advance about the … Read more
This article explains the cultivation strategy for a main DPS character: 1. Why focus on cultivating a main DPS character to such an extreme? The goal is to prioritize resource allocation to allow a specific disciple to reach the necessary level of cultivation under limited resources, maximizing the desired benefits. This disciple is referred to … Read more
(Click the public account above to quickly follow) Source:ggjucheng Link: http://www.cnblogs.com/ggjucheng/archive/2013/01/13/2856896.html Introduction grep (global search regular expression (RE) and print out the line) is a powerful text search tool that can search text using regular expressions and print out the matching lines. The grep family in Unix includes grep, egrep, and fgrep. The commands egrep … Read more
(Click the public account above to quickly follow) From: cnblogs Link: http://www.cnblogs.com/me115/p/3427319.html This article will introduce the most commonly used tools for text processing in Shell under Linux: find, grep, xargs, sort, uniq, tr, cut, paste, wc, sed, awk; The examples and parameters provided are the most commonly used and practical; My principle for using … Read more
As of now (April 2025), OpenSSH 10.0 has been officially released. This update removes the outdated DSA signatures, enables key exchange algorithms with quantum protection by default, and improves the behavior of scp/sftp and the security of sshd. The configuration file now supports more flexible conditional matching, providing a smoother experience. In summary: more secure, … Read more
Practical Commands for Linux System Administration In today’s digital age, Linux, as a powerful open-source operating system, has become the preferred platform for server environments and technical professionals due to its high flexibility, security, and stability. This article provides readers with some practical commands for Linux system administration, covering network configuration, system monitoring, file operations, … Read more
Have You Fallen into These Pitfalls When Connecting a Bluetooth Watch to Your Phone? Have you ever had this experience: you excitedly bought a Bluetooth watch, wanting to enjoy the convenience of smart living, but when trying to connect it to your phone, it either won’t connect or has various issues? After fiddling with it … Read more
My insights on choosing a Bluetooth speaker can be summed up in one sentence: do not search on e-commerce platforms, do not search on e-commerce platforms, do not search on e-commerce platforms.This is because e-commerce platforms hide an invisible consumer guidance ladder. When you initially set a budget of 500 yuan, once you start searching, … Read more
Hello everyone, I am Lin, an embedded software developer with many years of experience. Today, I will share the essential I2C protocol interview questions that you should master, hoping to help you. Click below to follow my account Follow me Introduction: The interviewer asked some I2C questions, and I couldn’t answer them. As an embedded … Read more
Hello everyone, I am Xiaokang. Do you remember the first line of code you typed? printf("Hello, World!\n"); You clicked “Run”, and then magically “Hello, World!” appeared on the screen. But have you ever wondered what happens at that moment when you click “Run”? How do those characters you typed turn into instructions that the computer … Read more