Today, let’s delve into a seemingly basic yet often overlooked topic — what exactly happens from the moment you press the reset button until your <span>main()</span> function begins execution? Startup Process Overview: The Journey of System Awakening Imagine your MCU as a robot just awakened. It needs to get dressed (load the stack), understand its … Read more
Hello everyone, I am Xian Di! The following content is a summary of my personal learning notes on microcontrollers. Please open in the WeChat client 1. Naming Conventions of STM32 What are the differences between STM32F103 and STM32F407? How can we distinguish them? STM32 has a rigorous naming convention, for example: STM32F103ZET6 1. STM32: Indicates … Read more
IntroductionI only have a basic understanding of Linux, and this document serves as my personal memo. If there are any errors, I hope the experts will kindly provide guidance! Thank you!===========================================Source Code Downloadhttps://mirrors.edge.kernel.org/pub/linux/kernel/It is best to use a release version that is permanently maintained.I am using version 5.10Device TreeLocated in the directory arch/arm/boot/dtsYou can create … Read more
Several weeks after school, I built a small Arduino device. I wanted to move to the next step, and I needed a controller. I started looking for a controller that would allow me to choose what kind of signal to use, but I was unsuccessful. So, I made one myself. I have an NRF24L01+ module, … Read more
Decoding the Five Essential Lessons of Family Education in the AI Era from Wang Xing’s Growth Code At the big data command center of Meituan’s headquarters, a real-time electronic screen is vividly depicting the future of life: drones shuttle between buildings delivering meals, AI customer service accurately anticipates user needs, and intelligent algorithms optimize every … Read more
Click the blue text | Follow us135editor Liang Yunzhen, Liu Ruixing, Gao Siyuan (Department of Education, Henan Normal University, Xinxiang, Henan 453007) [Abstract] Interdisciplinary teaching, as a new educational approach, is of great significance for promoting the innovative development of AI education in primary and secondary schools and cultivating high-quality talents for the intelligent era. … Read more
With Arduino IoT Technology A New Chapter in High School Physics Experiment Teaching Reform Network Training Activities of the Studio Spring Breeze and Rain, Enlightening the Future On April 24, 2025, with the spring in full bloom, all members of the Zhang Tu Master Studio gathered online for a passionate meeting, officially launching the key … Read more
1. Basic Concepts Integrated Circuit (IC) is a microelectronic device that integrates transistors, capacitors, resistors, and inductors, along with interconnections, fabricated on several semiconductor wafers or dielectric substrates, and encapsulated within a package to perform specific circuit functions. The integrated circuit industry is not only a significant leverage in current international political and economic competition … Read more
Source: OSC Open Source Community (ID: oschina2013)In the past two weeks, six Linux laptops have appeared (or been announced) in the market. These products include uniquely shaped “mini” laptops and those equipped with 4K displays… StarFighter: Linux Laptop with 4K Display The UK hardware company Star Labs plans to launch StarFighter — a new type … Read more
Today, I want to talk about the “low-key powerhouse” in home fitness—the step machine. It is compact, space-saving, yet highly effective for fat burning and enhancing cardiovascular health, even being referred to as a “knee-friendly exercise device.” But can a step machine really help with weight loss? How does it compare to treadmills and elliptical … Read more