Understanding ARM Cortex-M3 Embedded Systems and Applications

As an important member of the Cortex-M3 family, STM32 is also a widely used chip today. From the 51 microcontroller to the emergence of embedded systems, the Internet of Things, big data, and artificial intelligence, the development of electronic technology is advancing rapidly, driving the growth of the semiconductor industry and changing our lives.

Now we are more accustomed to referring to the development related to microcontrollers as embedded development. Universities still mainly

2025-01-04

Understanding Automotive Embedded Software

What is Embedded Software?

Embedded software is the operating system and development tools embedded in hardware. Its relationship in the industry is reflected as: chip design and manufacturing → embedded system software → embedded electronic device development and manufacturing.

The most basic understanding of embedded software is the combination of software + hardware to define the product. Unlike embedded software, which is purely defined by software, the compatibility and portability are poor.

The application of embedded systems in traditional industries is quite broad.

2025-01-04

Step-by-Step Guide to Remote LED Control with ESP32C3

To avoid missing my updates, remember to check the public account in the upper right corner and set it to a star mark, and send me a star.

This article is the 5th in the series of practical IoT projects, and we finally arrive at the practical stage, starting with a demonstration of remote LED control.

Summary of Practical IoT Projects Series:

First article: Choosing

2025-01-04

Raspberry Pi + Mechanical Keyboard = Cool Handheld Computer

This handheld computer is called Penkēsu, designed by Penk Chen, who refers to it as a "homemade retro-style handheld computer." The Raspberry Pi Zero 2W serves as the main hardware chip.

Personally, I love it because it reminds me of that bizarre scene in early music videos where Kelly Rowland from Destiny's Child was sending texts using Excel spreadsheets on a handheld device that looks very similar.

Hardware

Raspberry Pi Zero 2W
Waveshare 7.9-inch

2025-01-04

Why Choose the ARM Cortex-M4 Core HK32MCU for Actual Project Development?

Hangshun Chip has been deeply engaged in high-end 32-bit MCUs and automotive SoCs for decades, gaining a thorough understanding and analysis of the pain points of electronic engineers regarding high-performance MCUs.

Currently, engineers face challenges in selecting suitable brands and models, leading to difficulties in

2025-01-04

How to Choose a Mini PC That Rivals Laptops but is Cheaper

After leaving campus, everyone should replace their gaming laptop, and many people will choose between a lightweight laptop and a desktop based on their needs.

However, if you need to carry your computer to and from work every day and don't use it while on the road, a mini PC might also be a good choice for you.

The specific reasons are detailed in this article 👉 "Affordable Price,

2025-01-04

Understanding the Differences Between Embedded Computers and Conventional Desktop Computers

Despite the fact that industrial-grade embedded computers share many components with consumer-grade desktop PCs, such as processors (CPUs), graphics processing units (GPUs), RAM memory, and storage devices (SSDs and HDDs), embedded computing solutions still use industrial-grade versions that are tested and validated to operate reliably in challenging environments.

Moreover, resilience is paramount when building industrial-grade options, allowing them to better survive in industrial environments where systems may be exposed to

2025-01-04

Advancements in Display Technology: miniLED, MicroLED, OLED, and LCD Innovations

In October, the technology industry was bustling, and on October 22, it was even more so, not only with the highly anticipated Huawei Mate 40 series products launched that evening, but also with the grand opening of the TCL Huaxing Global Display Ecological Conference (DTC 2020).

At this conference, TCL Huaxing gathered hundreds of partners and industry experts from around the world in Shenzhen to explore the applications and future

2025-01-04

Understanding Position-Independent Code in ARM Architecture

1. Why Do We Need Position-Independent Code?

First, we need to understand the boot process of ARM boards.

1. Exynos 4412 Boot Process

First, let's take a look at the Exynos 4412 memory map: It can be seen that: the iROM base address is 0x00000000 and the iRAM base address is 0x02020000.

Both of these memory blocks are in the SOC.

Check the Exynos 4412 Booting Sequence:

Located in Chapter 5.

2025-01-04

How to Install Parking Lot Induction Loops: Key Considerations

The installation of parking lot systems is one of the most frequently undertaken projects in the low-voltage industry. Among them, the installation of induction loops is the most prone to issues and is often discussed by many friends. They have suggested that we release content related to the installation of induction loops. Although radar induction is now available, the use of induction loops still has many applications. In this issue, let's take a look at how to install induction loops

2025-01-04

Year: 2025

1. Why Do We Need Position-Independent Code?

1. Exynos 4412 Boot Process

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