What is ASC in Motor Controllers?

Author: Snail of the Automotive Industry The ASC (Active Short Circuit) of motor controllers is a safety protection mechanism for motors. Working Principle: By simultaneously turning on the upper or lower three bridges of the IGBT, a closed loop is formed in the motor stator windings, thereby achieving active short circuit protection. Generally, there are … Read more

US Military Establishes 3D Printing Laboratory Focused on Development of Large Military Vehicle Components

According to foreign media reports, the US military has officially launched a new research laboratory at the University of Illinois Urbana-Champaign’s Grainger College of Engineering. This laboratory, which cost nine million dollars, has a core mission to promote breakthrough applications of advanced 3D printing technology, particularly for the manufacturing of large metal components required for … Read more

Ultrasound 3D Printing Enables Non-Invasive Surgery! Research Shows: Ultrasound-Guided In Vivo Acoustic Printing Technology Achieves High-Resolution Biological Structure Printing!

In an article published in the journal Science, a research team from the United States developed a platform called Imaging-Guided In Vivo Acoustic Printing (DISP). This technology aims to overcome the limitations of traditional 3D printing in medical applications, particularly the need for invasive surgery. DISP achieves precise and rapid crosslinking of biomaterials in deep … Read more

Flashing Guide for the Allwinner H618 Gigabit Set-Top Box with Armbian

Feel free to message the editor for casual chats. Table of Contents 1. Background 2. Confirming the Box Chip 2.1. Labels 2.2. Boot Screen 2.3. Disassembling the CPU 3. Preparing the Flashing Environment 3.1. Preparing Flashing Tools 3.2. Preparing the Flashing Package 3.3. Burning the Image 3.3.1. Installing Flashing Software 3.3.2. Burning the Image 3.4. … Read more

Tang’s Study: Insights on the Investment Value of Allwinner Technology from “Value Investment Practical Handbook”

In recent years, the semiconductor industry has garnered significant attention, with a strong wave of domestic substitution. Allwinner Technology (300458.SZ), as a leading SoC chip design company in China, has been dedicated to the research, production, and sales of intelligent application processors, with its products widely used in tablets, wireless communications, and other consumer electronics. … Read more

AI Glasses Price Slayer: Allwinner Technology Cuts Overall Cost to 200 Yuan

Industry Weatherman Recently, at the Hong Kong Electronics Fair, it was discovered that the overall cost of AI glasses capable of taking photos is only around 200 yuan. This has caused a stir in the previously inflated market of pseudo-AI smart glasses, which were priced at over a thousand or two thousand yuan, especially those … Read more

Allwinner Technology Takes the Lead

Industry weatherman Currently, the mainstream AI glasses on the market are generally priced between 400 to 2000 RMB, with the main sales price range being 1000 to 1500 RMB. Qualcomm dominates the mid-to-high-end market with its mature AR/VR ecosystem, while domestic manufacturers such as Unisoc and Hengxuan are still seeking breakthroughs in low power consumption … Read more

Rockchip’s Position in the High-Growth Automotive Intelligence and AIoT Market

1. Introduction to SoC Chips SoC (System on Chip) is a system-level chip that integrates modules such as CPU, GPU, RAM, NPU, and ISP, characterized by high performance, low power consumption, and high integration, widely used in smart devices. Compared to traditional MCUs, SoCs are more suitable for complex tasks (such as AI inference and … Read more

Tutorial: End-to-End Communication of ARM Device (RK3588) with XDMA

The Xilinx DMA/Bridge Subsystem for PCI Express (PCIE) IP (XDMA) significantly reduces the difficulty for FPGA developers in using the PCIE interface. By implementing a simple BD design, FPGA-side logic design can be achieved, and with open drivers and example code, developers can quickly establish end-to-end communication over PCIE.Currently, Xilinx has released drivers for XDMA … Read more

Fundamentals of Hardware Engineering: PCB and FPC

PCB, Printed Circuit Board. As the name suggests, it is a board with circuits printed on it. It is known as a printed circuit board, or hard board. FPC board FPC, Flexible Printed Circuit. As the name implies, this is a circuit that is also printed and is flexible. It is known as a flexible … Read more