In a middle school eighth-grade Chinese textbook, there is an article about Wang Shuyuan, a craftsman from Jiangnan during the Ming Dynasty, who carved a painting of Su Dongpo’s night tour of Chibi on a jujube pit. The eight carved windows can be opened and closed, with inscriptions on the window frames reading “The mountain … Read more
As the generative AI wave triggered by ChatGPT sweeps across the globe, artificial intelligence is undergoing a paradigm revolution from “tool rationality” to “general intelligence”. The underlying support for this revolution is the continuous breakthroughs in computing power chips in terms of architecture innovation, performance boundaries, and ecosystem construction. From the enhancement of single-core performance … Read more
News Highlights: • Compared to discrete solutions, the new high-speed single-chip LiDAR laser driver can detect objects more quickly and accurately. • The new high-performance automotive clock based on Bulk Acoustic Wave (BAW) technology has a reliability that is 100 times higher than quartz-based clocks, enabling safer operation. • Automotive manufacturers can enhance the functionality … Read more
Hello, everyone. Today we will take a look at the hazardous chemicals in semiconductor manufacturing—Ammonium Ferrous Sulfate. 1. Basic Information Chemical Name in Chinese: 硫酸亚铁铵。 Chemical Name in English: FERROUS AMMONIUM SULFATE; Ammonium iron sulfate; Mohr’s salt. Molecular Formula: Fe2H8N2O4S; Fe2(NH4)2SO4. Molecular Weight: 392.1308. CAS No.: 2310045-89-3. 2. Composition/Information on Ingredients Composed of ammonium ions, … Read more
According to Maims Consulting, recently, Senba Sensor Technology Co., Ltd. (referred to as Senba Sensor) released its annual report for 2024, summarizing the operational status of the past year as follows: Since its establishment, Senba Sensor has been engaged in the research, development, production, and sales of pyroelectric infrared sensors and visible light sensors, maintaining … Read more
Source: WeChat Official Account “CCTV Military” (ID: CCTV-7_Junshi) “The application of 3D printing technology in aircraft We have reached a scale and engineering level and are in a world-leading position” How to use 3D printing equipment to produce components for the new generation of fighter jets? Let’s explore together ↓ The following video is sourced … Read more
The digital-to-analog (DAC) and analog-to-digital (ADC) conversion in microcontrollers is a key technology that connects digital systems with the analog world. 1. Basic Concepts 1. DAC (Digital-to-Analog Converter) Function: Converts digital signals into analog signals (such as voltage or current). Application Scenarios: Driving motors, audio output, LED dimming, etc. Implementation Methods: Weighted resistor networks, R-2R … Read more
Product image of the project: Bilibili video link: https://www.bilibili.com/video/BV1AcwseTE6i/?share_source=copy_web&vd_source=097fdeaf6b6ecfed8a9ff7119c32faf2 (For material sharing, see the end of the article) 01 — Project Introduction 1. Function Details STM32 Smart Voice Fan The functions are as follows: STM32F103C8T6 microcontroller as the main control unit Temperature collection: DS18B20 sensor collects ambient temperature Human detection: Infrared sensor determines if someone … Read more
Traditional phase change materials (PCMs) face challenges such as low thermal conductivity, easy leakage in the molten state, and single functionality, making it difficult to meet the demands for efficient utilization of clean energy and multi-scenario applications. Existing organic/inorganic aerogel-based composites can partially address these issues, but they generally suffer from poor mechanical properties and … Read more
Realization of a Two-Dimensional Weyl Semimetal and Topological Fermi Strings A two-dimensional (2D) Weyl semimetal, akin to a spinful variant of graphene, represents a topological matter characterized by Weyl fermion-like quasiparticles in low dimensions. The spinful linear band structure in two dimensions gives rise to distinctive topological properties, accompanied by the emergence of Fermi string … Read more