51 Microcontroller

Implementing Communication Between MCU and PLC Using Modbus Protocol

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Implementing Communication Between MCU and PLC Using Modbus Protocol

1. Introduction HMI (Human-Machine Interface) is increasingly used in industrial automation systems and equipment due to its small size, high performance, and strong real-time capabilities. It features various displays such as letters, Chinese characters, graphics, and images, with a simple and user-friendly interface. Equipped with long-lasting membrane button keyboards, it is easy to operate. Typically, … Read more

SWD Interface Explained and Practical Applications

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SWD Interface Explained and Practical Applications

Why Understand the SWD Debug Interface? Debugging is the most critical part of microcontroller development. Early JTAG interfaces required 4-5 wires, occupying too many pins. In contrast, the SWD (Serial Wire Debug) interface only requires 2 essential signal lines, saving PCB space while providing better debugging speed and stability. Currently, almost all ARM Cortex series … Read more

JTAG Debugging: Online Debugging of Microcontrollers and PLCs

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JTAG Debugging: Online Debugging of Microcontrollers and PLCs

JTAG Debugging: Online Debugging of Microcontrollers and PLCs Hello everyone, I am “Da Yi Zong”. Today, I will talk about a commonly used debugging tool in microcontroller and PLC program development—JTAG debugging interface. JTAG stands for Joint Test Action Group, which is an industrial standard interface used for chip-level testing and debugging. Simply put, it … Read more

Keil5 Microcontroller Compilation Software Installation Guide

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Keil5 Microcontroller Compilation Software Installation Guide

Baidu Cloud download link: https://pan.baidu.com/s/1kWC0cgn Extraction password: wwzl Keil5 Installation Instructions Tutorial Currently, the latest version released on the Keil official website is uVision 5 KEIL. The version we are using is a cracked version, intended for educational use only. If you are doing commercial development, please purchase the official version to receive more technical … Read more

Keil5 Software Installation Tutorial

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Keil5 Software Installation Tutorial

Keil5 (32/64) Download Link: Link: https://pan.baidu.com/s/18XrnzZJJm8gEJ6ulb8jtMw Password: 8mwa If you encounter issues during installation, contact QQ: 236346343 Software Introduction: Keil C51 is a software development system for the 51 series compatible microcontrollers in C language. Compared to assembly language, C language has obvious advantages in functionality, structure, readability, and maintainability, making it easy to learn … Read more

Installing Keil uVision 2 C51 Software Package

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Installing Keil uVision 2 C51 Software Package

SoftwareIntroduction Keil uVision 2 C51 is one of the high-quality software for developing applications on various microcontrollers, supporting all 8051 series derivatives. It integrates editing, compiling, and simulation, supporting both assembly and C language programming. The interface is user-friendly, making it easy to learn and use. Keil C51 is a C language development system for … Read more

Differences Between C Language and Assembly Language

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Differences Between C Language and Assembly Language

Previous Articles 👍 Five Stages to Assess Your Circuit Design Ability 👍 How to Learn Circuit Design from Scratch? 👍 Detailed Explanation of Four Schemes for Microcontroller Key Design 👍 17 Common Circuit Design Modules for Microcontrollers 👍 Analysis of the Minimum System of Microcontrollers (Power Supply, Crystal Oscillator, and Reset Circuit) 👍 Detailed Explanation … Read more

STM32 DAC Noise Generator: Exploring Analog Signals from Scratch

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STM32 DAC Noise Generator: Exploring Analog Signals from Scratch

In the world of microcontrollers, the Digital-to-Analog Converter (DAC) is like an artist that can turn cold numbers into vivid analog signals. Today, we will explore how to use the DAC function of STM32 to create a simple and fun noise generator. What is DAC? Why Do We Need It? Imagine you have a pile … Read more

Microcontroller ADC and DAC Applications: Analog Signal Processing Examples

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Microcontroller ADC and DAC Applications: Analog Signal Processing Examples

Microcontroller ADC and DAC Applications: Analog Signal Processing Examples Hello everyone, I am the female top laner. Today we will talk about analog signal processing in microcontrollers, focusing on the applications of ADC and DAC. These two modules can be considered important “translators” that connect microcontrollers with the real world. The ADC is responsible for … Read more

Applications of Microcontroller DAC Analog-to-Digital Conversion

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Hello everyone, I am Da Yi! Today, I will introduce the topic of the application of microcontroller DAC analog-to-digital conversion. What does analog-to-digital conversion mean? Most of the signals we encounter in daily life are analog signals, such as the amplitude of sound and temperature levels. However, the internal operations of a microcontroller are based … Read more