Current Status: Prototyping and soldering completed, entering the final testing and optimization phase 1. Current Progress ✅ Completed Work Project Key Achievements Time/Cost PCB Prototyping – JLCPCB 5 Yuan special board (5 pieces)– Manual soldering: only a few components (CH224K/USB-C interface), but USB-C is really difficult to solder manually 1 week / ¥13.04 (including shipping) … Read more
1.Configuring QT in Buildroot 1.Open the configuration interface. ./build.sh buildroot-config 2.Use the arrow keys ↑↓ to navigate and select Target packages Press Enter to enter 3.Use the arrow keys ↑↓ to navigate and select Graphic libraries and applications (graphic/text) Press Enter to enter 4.After entering, use the arrow keys ↑↓ to find Qt5, press the … Read more
01 All test programs in this section require the development board to have a Qt environment to run. The provided file system is derived from a Yocto build. We will later organize a separate ported Qt system to facilitate users in porting third-party software. If the user’s file system is not our factory version, please … Read more
Hello everyone, I am Yaoshan, today I will discuss theMySQL startup issues Cause The server was rebooted, and after the server started, I found that the MySQL program did not start, the error message is as follows: 2025-04-19T12:46:47.648559Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.2025-04-19T12:46:55.913703Z 0 [Warning] [MY-000081] [Server] option 'max_allowed_packet': unsigned value 107374182400 … Read more
Click the business card below to follow the public account and star it to receive my latest shares.Reply in the background with Embedded Learning Materials to get a learning package👇👇👇 Introduction pkill stands for “process kill” and is used to terminate processes. It allows you to send signals to one or more processes by their … Read more
Let’s grow together every evening at 18:00! Recently, I discovered some interesting tools and couldn’t wait to share them with everyone. How do you usually check <span>Linux</span> logs? Personally, I often use <span>tail</span>, <span>head</span>, <span>cat</span>, <span>sed</span>, <span>more</span>, and <span>less</span>— these classic system commands, or tools like <span>awk</span> for data filtering, which work together efficiently. However, … Read more
System Command Hub: /bin • Core Positioning: Stores the core executable instruction set of the system (abbreviated as Binaries), covering the basic command toolchain used frequently. • Analog Reference: Similar to the C:\Windows\System32 instruction set storage area in Windows environments. Boot Loader Hub: /boot • Core Components: Contains Linux kernel images, hardware driver modules, and … Read more
In the field of audio and video processing technology, FFmpeg is a powerful and widely used open-source multimedia framework. It supports various encoding and decoding formats, providing developers with a rich set of tools and interfaces to handle audio and video data. Today, we will delve into the encoding and decoding technologies in FFmpeg, particularly … Read more
Transform your phone into a Linux powerhouse with Termux, the AI code assistant Potpie is gaining popularity, along with the new open-source documentation force Docmost. Come unlock new tech play! 1. Termux: Android Transforms into a Linux Powerhouse 🏷️ Repository Name: termux/termux-app🌟 Stars at Publication: 40689 (New in the last week: 230)🇨🇳 Repository Language: Java🤝 … Read more
There is a saying in the community: “Cherish life, stay away from barriers,” which sufficiently illustrates that memory barriers are quite obscure and difficult to grasp accurately. Using too weak a barrier can lead to software instability, while using too strong a barrier can cause performance issues. Therefore, in engineering, the goal is to pursue … Read more