Note: Please indicate the source when reprinting, all rights reserved by the author.Note: This is based on my own understanding,if it conflicts with your principles and ideas, please forgive me, do not criticize. Environment Description Ubuntu 16.04 LTS Introduction None V4L2 Introduction to V4L2 Although there are many articles introducing Linux V4L2, I still want … Read more
Apple’s every detail improvement in mobile phone design has always attracted industry attention. According to current leaks, the upcoming iPhone Air will adopt innovative 3D printed titanium USB-C port technology, which undoubtedly brings three significant advantages: a thinner body design, stronger structural strength, and an environmentally friendly feature that uses 33% less material. Breakthrough Application … Read more
This is the disassembly report No. 3492 from Charging Head Network. Introduction This disassembly focuses on the Mini-ITX motherboard released by Radxa, which is part of the ROCK 5 series, fully compatible with standard PC peripherals and has excellent compatibility and flexibility. The motherboard supports the Radxa system and Android system, with boot options from … Read more
Renesas Electronics has announced the RAA489118, a highly adaptable buck-boost charger designed to meet the power management needs of a broad spectrum of applications. Supporting an input voltage range of 3.9V to 30V and output voltage flexibility from 2.4V to 30.8V, the RAA489118 caters to devices requiring precise and efficient battery management. Whether in standalone … Read more
Recently, CORSAIR launched the XENEON EDGE 14.5-inch LCD touchscreen in the United States. The CORSAIR XENEON EDGE is a multifunctional secondary display. The CORSAIR XENEON EDGE features a 14.5-inch LCD panel with a resolution of 2560×720, supporting a refresh rate of 60Hz, a brightness of 350 nits, and five-point capacitive touch. It is equipped with … Read more
Renesas Electronics, a leading supplier of innovative semiconductor solutions, has launched the RAA489300/RAA489301 high-performance buck regulators. These are developed using a three-level buck topology specifically designed for battery charging and voltage regulation in USB-C systems. This includes multi-port USB PD chargers, portable power stations, PC docking stations, robotics, drones, and other applications requiring efficient DC/DC … Read more
Objective: Stream from a USB camera to ZLMediaKit on macOS, covering environment setup, device recognition, streaming commands, and playback verification. 1. Environment Setup 1.1 Install ffmpeg Due to compatibility issues between macOS 15 pre-release and Homebrew, it is recommended to download the official precompiled version directly: # Download the official precompiled version curl -L -o … Read more
The recent weather conditions can be described as two extremes: scorching heat in the north and continuous rain in the south, leading to droughts and floods… Hopefully, things will return to normal soon.Before bed, let’s take a look at the latest big news!The U.S. May Mandate iPhone to Switch to USB-C PortLast week, the European … Read more
As mainstream oscilloscopes often cost tens of thousands, a USB-C powered oscilloscope supporting open-source hardware is creating a crowdfunding storm on CrowdSupply. How does it achieve 2GHz bandwidth at consumer-level costs? What hidden signals can be captured with 12-bit resolution? This article will break down this industry-disrupting maker tool. Read on 👇 The Haasoscope Pro … Read more
[Image] Hello everyone, I am the Information Guy! In Linux driver development, have you encountered the following problem: how to save private data for different device instances? For example, a USB camera needs to store resolution parameters, and a GPIO device needs to record interrupt handler functions. Directly modifying the kernel’s struct device structure? This … Read more