Getting Started with Embedded Systems
Board Setup & Configuration
Programming Tutorials (C, Python, Rust)
Debugging & Performance Optimization
1. Problem: How many distinct three-digit numbers can be formed using the digits 1, 2, 3, and 4 without repetition? What are they? Program Analysis: The digits that can fill the hundreds, tens, and units places are 1, 2, 3, and 4. Generate all permutations and then remove those that do not meet the criteria. … Read more
Hello everyone, I am Xiao Bei. Those who are familiar with me know that I have previously published many articles on learning paths, including operating systems and C++. Many students have urged me several times to talk about how to learn C language. Here it is, the king of pigeons has arrived. To reiterate, let … Read more
Xinzhe Xin from the Communication Research Group at Beijing Institute of Technology successfully ported the deep learning gait recognition algorithm GaitSet to the Allwinner V853 development board as part of his undergraduate thesis titled “Research on Gait Recognition Based on Embedded Systems.” This study was tested on the CASIA-B dataset, achieving a gait recognition accuracy … Read more
Experience Soft Routing: A Step-by-Step Guide to Setting Up OpenWRT on an Old Laptop Hello everyone, I am Stark-C. When it comes to soft routing, many of you may have heard of it but not experienced it. Many people, like I did, have heard too many bloggers promoting soft routing, discussing its functionalities, and even … Read more
What core competencies should middle school students possess to avoid being replaced by AI? In an era of rapid AI technological advancement, students born after 2010 are the new generation of tech natives. They are inspired by the movie “Ne Zha,” they interpret “The Three-Body Problem,” they explore the unknown using Deepseek, and they contemplate … Read more
Intermediate Functions of PLC: Dynamic Compensation Algorithm Increases Control Accuracy by 3 Times!đ„ [Bottlenecks of Traditional Control]: Is your equipment’s accuracy still at the level of “a hair’s breadth off, a thousand miles away”? Whether it’s complex robotic arm movements or high-precision assembly line operations, do you often encounter the following issues? Vibration disturbances leading … Read more
1. Bidirectional Movement of the Cart Implement automatic control of a cart moving back and forth using S7-200. The control process involves pressing the start button, causing the cart to move from left to right (and vice versa). When it reaches the right (or left) limit switch, the cart automatically returns. This back-and-forth movement continues … Read more
1. Question Type Distribution and Examination Context in Guangdong Number of Questions: A total of 30 questions (10 questions on graphic reasoning, 10 questions on logical judgment, 5 questions on analogy reasoning, and 5 questions on scientific reasoning). Characteristics: Graphic Reasoning: Flexible patterns, with recent additions of spatial questions such as three-dimensional combinations and three-view … Read more
Hello everyone, welcome to <span>Lixin Embedded</span>. The term “Internet of Things” has probably become quite familiar to you. In simple terms, the Internet of Things connects various devices to the network, allowing them to communicate with each other. Wireless technology is a star player in the Internet of Things, especially Low Energy Bluetooth (BLE), which … Read more
The following is a classification and organization of vulnerabilities in the HTTP/HTTPS protocols based on the perspectives of black box testingăwhite box testing and gray box testing: 1. Black Box Testing (External Perspective, No Internal Access) Definition: Simulates the attacker’s perspective, testing only through external network interfaces without relying on internal system code or configuration … Read more