Overview: Common PCB Hardware Interface Design Requirements!

Overview: Common PCB Hardware Interface Design Requirements!

When designing PCBs, the design requirements for common hardware interfaces are crucial for ensuring circuit performance and stability. Below are some common hardware interface PCB design requirements: 1. USB Interface Design Requirements ① Total length control: Keep it within 1800 mils as much as possible. ② Differential pair characteristic impedance: 90Ω. ③ Power pin trace … Read more

Introduction to PCB Circuit Board Design: Basic Learning Notes

Introduction to PCB Circuit Board Design: Basic Learning Notes

1: Drawing Arduino Circuit Boards (Schematic Library, PCB Library, Schematic, PCB Drawing) 1. Drawing Schematic Library (Use existing libraries, or create your own) [SCH Library] Here is an example Add sub-file: Select -> Tools -> New Component Method 1: Draw one by one Below are some examples and effect images ATMEGA328P-AU CH340G LM358 USB-B PT … Read more

The Importance of Establishing a Follow-up System in the PCB Industry

The Importance of Establishing a Follow-up System in the PCB Industry

Hello, everyone! I am Weiwei, and today marks the 47th day of my continuous sharing. Yesterday, I shared whether a separate follow-up is necessary and some simple processes. Today’s topic is: Why must the PCB industry establish a follow-up system? What is the importance of follow-up?. Common issues: From a sales perspective, if follow-up is … Read more

Understanding PCB Mark Points

Understanding PCB Mark Points

1. What is a Reference Point (Mark Point)? Mark point is also known as a reference point or optical positioning point, which is used as a positioning point by pick-and-place machines. Since PCBs provide a common measurable point for all steps in the assembly process during mass production, every device used in assembly can accurately … Read more

STM32F4 Core Board High-Speed Transmission Testing Notes

STM32F4 Core Board High-Speed Transmission Testing Notes

1. Determine the Plan and Purpose Hello everyone, today the miniaturized development board has arrived, and we are starting the arrival inspection task. The requirements are as follows: [Notes] STM32F4 + FT232H High-Speed Acquisition Development Board Design Draft Objective: STM32F4 Development Board 01. High-speed transmission testing, and reliable verification; 02. ADS1220 driver verification and debugging; … Read more

Major Announcement from the Central Committee and State Council: Three Key Signals for Grassroots Healthcare

Major Announcement from the Central Committee and State Council: Three Key Signals for Grassroots Healthcare

The release of the “Opinions” marks a strategic shift in China’s healthcare system from a “city-centered” approach to a “grassroots-centered” one. For practitioners, this represents both a challenge—shifting from a passive waiting for patients to an active ecosystem building—and an opportunity, as policy benefits are accelerating towards grassroots levels. There are significant market gaps in … Read more

Healthcare Reform in Xishuangbanna | Jinghong Maternal and Child Health Hospital Innovates ‘Community Embedded Medical Service’ Model to Bridge the ‘Last Mile’ of Maternal and Child Health

Healthcare Reform in Xishuangbanna | Jinghong Maternal and Child Health Hospital Innovates 'Community Embedded Medical Service' Model to Bridge the 'Last Mile' of Maternal and Child Health

This public account is hosted byYunnan Provincial Health Commission. If you have not followed yet, please click the blue “Yunnan Healthcare Reform” above to follow. Author Ran Jianyong Jinghong Maternal and Child Health Hospital Yunnan Healthcare Reform News Recently, the Party Branch of Jinghong Maternal and Child Health Hospital, in collaboration with the Party General … Read more

Why Do Humans Lie More Than Animals? What If AI Robots Lie Better Than Humans?

Why Do Humans Lie More Than Animals? What If AI Robots Lie Better Than Humans?

In 2022, a research team from the University of California, Santa Barbara conducted an experiment involving over 500 participants who filled out a questionnaire. The results revealed that 96% of people admitted to lying, with 44% doing so to “promote themselves” and 36% to “protect themselves.” Interestingly, the ability of children to lie increases exponentially … Read more

The Transition from Aesthetic Appreciation to Creative Power in the Age of AI Robots

The Transition from Aesthetic Appreciation to Creative Power in the Age of AI Robots

The first productive force in the age of AI robots has transitioned from technological power to aesthetic appreciation and then to creative power. Since the Industrial Revolution and the technological explosion, science and technology have been the primary productive forces. From the information revolution to the explosion of artificial intelligence, aesthetic appreciation has increasingly become … Read more

Modular Design: A New Frontier for AI Robots

Modular Design: A New Frontier for AI Robots

Comprehensive report from Electronic Enthusiasts Network, at this year’s CES 2025, TCL unveiled the world’s modular AI companion robot——AiMe. The reason it is called modular is that it features a unique modular design, allowing the entire product to be divided into three parts, namely the main robot, an auxiliary mobile device, and a mini interactive … Read more