Issue 1: The driver cannot load or reports an error after loading. Possible reasons: Incorrect compilation options, module information, dependencies, symbol exports, etc.; the driver is incompatible with the kernel version; the driver is incompatible with the hardware device; errors in the driver’s initialization or exit functions; issues with the driver’s permissions or path settings, … Read more
Signal Handling in C: Capturing and Managing Signals In C, a signal is a mechanism used to notify a program that a specific event has occurred. These events may be triggered by external systems, such as user input (like Ctrl+C), software faults, or timer expirations. Signals can interrupt the normal execution flow of a program … Read more
Every time you get into the car and press the engine button, the comfort experience brought by the in-car entertainment system relaxes your mood. With the continuous advancement of technology, in-car entertainment systems are no longer just simple audio playback; they have quietly become an important part of enhancing driving pleasure, convenience, and personalized experiences. … Read more
Imagine you have two devices in front of you. One is a laptop with a brand new 8-core computer processor chip, 64GB of RAM, a dedicated graphics card, priced at 14,999 RMB. The other is a smartphone with a brand new 8-core mobile chip, 8GB of RAM, priced at only 4,999 RMB. Excluding portability, if … Read more
Currently, the field of HMI design is facing challenges in the integration of software and hardware, and designers need a tool to break down the barriers between design and engineering. On March 19, 2025, at the 5th China Automotive Human-Machine Interaction and Experience Design Innovation Conference, Li Li, Business Development Manager for the Asia-Pacific region … Read more
Click the little blue text to follow! Is your app’s “You might also like” feature always recommending strange items? User feedback says, “What is this? I don’t like it!” As Java developers, we need to solve this ourselves! Today, I will guide you through a simple and effective personalized recommendation algorithm that will transform your … Read more
On the afternoon of June 12, the CES Asia 2019 Smart Home Summit was co-hosted by the China Smart Home Industry Alliance (CSHIA) and CES Asia, focusing on trends, technologies, platforms, products, and supply chains to explore new scenarios, trends, and business models in the context of AIoT. Guests attending the summit included Zhou Jun, … Read more
Smart Interactive Punching Bag Fun System V3.0 1. Core Architecture Design Hardware Perception Layer 3D Force Haptic Matrix: 64-point pressure sensing array (0.5cm accuracy) + Infrared depth camera (0.3cm accuracy) Dynamic pressure threshold adaptive algorithm (±20% real-time calibration) Punch response delay ≤ 8ms Multimodal Fusion: Kalman filtering algorithm fuses pressure / acceleration / visual data … Read more
In the vast river of China’s display industry, Tianma has always played an important pioneering role. Author: Xu Yi Editor: Zi QiOn April 10, the OPPO Find X8s is set to make its global debut, featuring a 1.25mm world’s narrowest four-sided OLED screen that has become the focus of attention.1.25mm and four-sided mean that the … Read more
Technicians, when you open the software upgrade page of your diagnostic equipment, you will see a page similar to the one below, displaying information such as the model name, current version, upgradable version, and installation package size. The default setting is to select all for the upgrade, and by clicking the one-click upgrade, you can … Read more