Understanding Analog and Digital Signals in Electronics In the previous content, we talked about digital output driver circuits. Digital quantities are a type of boolean variable that has only two states. Here, let’s discuss analog quantities. For a lamp, we can describe its two states—on and off—using digital quantities. Turning the lamp on means it … Read more
Changing the Repository Source Address in Git on Linux There are several methods to change the Git repository source address in a Linux system. Below are the detailed steps and explanations: Method 1: Using the git remote command (Recommended) 1. Check Current Remote Repository Information # Enter the project directory cd /path/to/your/project # Check current … Read more
📌 Reading Notes 🕒 This article has 3125 words, approximately 5 minutes reading time 💡 The content is concise, but some effort was put into organizing it 💬 If you have any questions, feel free to leave a comment for discussion 👍 If you find it useful, remember to like/recommend to support! 💗 Your likes … Read more
Lesson 1 – Hello Python and Environment (1.5 to 2 hours practical lesson plan, no tables) 3 minutes pre-class check Computer can open VS Code Terminal input python –version shows 3.x GitHub account is logged in Class timeline (90 min) 0–10 min Icebreaker Teacher says: Today we will use just 5 lines of code to … Read more
Good afternoon, network engineers!Have you ever wondered why your phone, computer, and tablet can all connect to the internet at home using just one public IP address? The unsung hero behind this is NAT — Network Address Translation.In the early days of IPv4 address design, no one anticipated the explosive growth of devices, leading to … Read more
In network management, domain resolution, or connectivity troubleshooting, <span>dig</span> and <span>nslookup</span> are two indispensable DNS diagnostic tools. They can query domain resolution records, detect DNS response data, verify mail server configurations, and retrieve IP address information associated with domain names. Below, we will detail how to install these two tools on mainstream Linux distributions and … Read more
As the saying goes: To do a good job, one must first sharpen their tools.As a qualified embedded engineer, you may encounter and handle various strange problems in your daily work. At this time, a highly adaptable tool can greatly improve work efficiency.Based on personal usage and objective feedback from fans, I recommend several commonly … Read more
Recently, I started learning and experimenting with Python. Previously, I had only studied C#, and I didn’t have time to explore these fascinating tools that I’ve heard so much about. Now that I need to use Python, I have to learn it. A couple of days ago, I downloaded the latest 64-bit version 3.13 (2025) … Read more
First: Introduction This article is written in a Debian/Linux environment. In daily work, git is indispensable, so this article is written to teach everyone how to use git, facilitating future work and study. At the same time, this article also accumulates many git techniques used by the author and other developers in their daily work. … Read more
Copyright belongs to the author. If you wish to share, please indicate the source of the article: https://cyrus-studio.github.io/blog/ Introduction This guide will take you through the process of downloading the source code, configuring the environment, compiling, and exporting a complete emulator image to run LineageOS in the Android Studio emulator. Compared to the official system … Read more