The First Step in Microcontroller Learning! A Step-by-Step Guide to Lighting Your First LED, Even Beginners Can Master It

The First Step in Microcontroller Learning! A Step-by-Step Guide to Lighting Your First LED, Even Beginners Can Master It Dear electronics enthusiasts, have you often heard about microcontrollers but found them to be mysterious? Today, we will break this myth! Whether you are a complete beginner or someone interested in electronics, as long as you … Read more

nanoMODBUS: A Compact Modbus RTU/TCP Implementation with Only 2000 Lines of C Code

Hey, friends! Have you ever encountered the awkward situation of wanting to implement the Modbus protocol on a microcontroller, only to find that the library is too large, has too many dependencies, and fills up the Flash memory? Today, I want to recommend a “mini” level Modbus C library—nanoMODBUS, lightweight and easy to use! What … Read more

Embedded Microcontroller – STM32 Microcontroller – AI

STM32 is categorized into three tiers based on its AI support capabilities, as follows: Tier One: High-Performance AI Specialized Series (with Hardware Accelerators) These series are equipped with dedicated hardware accelerators (NPU) designed for AI computations, offering efficiency and speed far superior to standard cores, making them the preferred choice for handling complex AI models. … Read more

Essential for Microcontroller Experts: A Quick Overview of 20 Classic Circuit Modules

Mastering microcontroller development involves not only programming skills but also a deep understanding and flexible application of basic circuit modules. Below are 20 classic circuits that have been repeatedly validated in practical projects, forming the hardware foundation for the vast majority of microcontroller applications. Category of Circuit Modules Core Functionality Key Points Power Management and … Read more

Conquering Bare-Metal Programming: A Comprehensive Open-Source Microcontroller Practical Guide

Are you eager to gain a deep understanding of the underlying operations of embedded systems? Are you tired of the constraints of frameworks and want to control every detail of the microcontroller? Then, this comprehensive bare-metal programming guide open-source project will take you on an exciting journey into embedded programming! 1. Why Choose Bare-Metal Programming? … Read more

Why Do MCUs Need an Operating System? Starting the RT-Thread Learning Series!

Why Do MCUs Need an Operating System? Starting the RT-Thread Learning Series! Introduction If you are a microcontroller developer, you may have this question: Isn’t bare-metal development sufficient? Why should we install an operating system on a small MCU? Today, we will discuss this topic and embark on the journey of learning RT-Thread! 1. Why … Read more

3-51 Microcontroller 3-Channel Voltage and Temperature Monitoring Proteus Simulation Free Resource

Instructions: The software version is Proteus 8.15 + Keil 5, and the Proteus version must be the same as or higher than mine. Resource Content:Proteus 8.15 simulation circuit diagram + Keil 5 C language program Design Requirements: 1. Read 3-channel voltage values, voltage range 0~5V; 2. Real-time reading of temperature values from the DS18B20 temperature … Read more

Detailed Installation Guide for Keil and Software Package Download (Including All Version Installation Packages)

Keil uVision MDK Installation Package Download Link: https://pan.baidu.com/s/1U7VOkZ9lo8qOvbjKSIJfeg?pwd=6688 Extraction Code:6688 All software is in compressed files, please be sure to use 360 Compression to extract before installation; installing directly without extraction will lead to installation failure. 360 Compression Download Link:https://yasuo.360.cn/ If you encounter a broken download link, reply with 【Download Software】 in the public account … Read more

STM32 vs ESP32: How to Choose the Most Suitable Microcontroller for You?

Introduction In embedded development, STM32 and ESP32 are two of the most popular microcontroller solutions. However, many developers still feel confused when selecting a microcontroller for their projects:Should you choose the powerful STM32 or the wireless-integrated ESP32?This article will compare them across multiple dimensions such as hardware resources, development scenarios, and cost analysis to help … Read more

Do You Know the Differences Between ARM Cortex-A, Cortex-R, and Cortex-M?

1. Overview In the article “CPU Architecture,” we introduced the three major families of instruction set architectures: <span>x86 family</span>, <span>ARM family</span>, and <span>RISC-V</span>. Did you know that the ARM instruction set also includes three different series: <span>Cortex-A</span>, <span>Cortex-R</span>, and <span>Cortex-M</span>? Are you aware of the differences and relationships between these three series of processor cores? … Read more