Why Modbus RTU Always Appears with RS-485?

Why Modbus RTU Always Appears with RS-485?

In the field of industrial communication, Modbus RTU and RS-485 are often mentioned together. Many people mistakenly believe they are the same thing, but in reality, these two concepts are entirely different; they are simply used in close conjunction in industrial control. What is RS-485? RS-485 is a physical layer communication standard that defines how … Read more

STM32 SPI Interface Tutorial: Achieving Efficient and Stable Data Transmission

STM32 SPI Interface Tutorial: Achieving Efficient and Stable Data Transmission

The SPI (Serial Peripheral Interface) is one of the most widely used synchronous serial communication protocols in embedded systems, playing a crucial role in STM32 development. Compared to I2C and UART, SPI is particularly suitable for high-speed data acquisition, memory expansion, and display driving due to its full-duplex communication, high transmission rates, and hardware slave … Read more

Detailed Explanation of MODBUS Protocol 2: A Beginner’s Guide to Mastering Core Communication Elements

Detailed Explanation of MODBUS Protocol 2: A Beginner's Guide to Mastering Core Communication Elements

Click to follow and never lose your way in learning! Last time, we ventured into the mysterious world of the MODBUS protocol and conducted a preliminary exploration of this “big player” in industrial communication. I wonder if you are still immersed in that wonderful learning atmosphere? If your knowledge isn’t solid, make sure to review … Read more

Implementation Method of Custom UART Communication Protocol

Implementation Method of Custom UART Communication Protocol

Follow+Star Public Account Number, don’t miss out on exciting content Author | strongerHuang WeChat Public Account | strongerHuang When we learn about microcontrollers, the first thing we might encounter is lighting up (GPIO), and then it’s serial communication (UART). Serial communication is a commonly used communication interface and is essential knowledge for learning embedded systems. … Read more

The Concept of Union and Its Application in Embedded Programming

The Concept of Union and Its Application in Embedded Programming

The author has limited ability, and if there are any errors in the article, I would greatly appreciate it if friends could point them out. Thank you! Concept of Union In Chinese, a union is also referred to as a “共用体” (union), “联合” (joint), or “联合体” (joint body). Its definition format is the same as … Read more

What Are the Differences Between SOCKS5 Proxy and HTTP Proxy?

What Are the Differences Between SOCKS5 Proxy and HTTP Proxy?

When you are “surfing” the internet, have you ever wondered how proxy servers work? What are the differences between SOCKS5 and HTTP proxies, these “twin brothers”? I will use the analogy of a courier to help you easily understand the core differences between these two types of proxies. 1. Protocol Basics: The Essential Differences of … Read more

PythonNetKey: The Python Interface for Network Keys!

PythonNetKey: The Python Interface for Network Keys!

In the digital maze of the internet, we often yearn for a key that can easily traverse network barriers. Today, I want to share with you a super cool Python networking tool — PythonNetKey . This is not just an ordinary network module, but a magical tool that helps you elegantly handle network connections, data … Read more

Why Choose MIPI Cameras Over USB Cameras?

Why Choose MIPI Cameras Over USB Cameras?

We must first understand the basic differences and application scenarios of these two protocols. MIPI is typically used for internal communication between components in mobile devices, such as cameras and displays, while USB is more for connecting external devices like USB drives and peripherals. 1. MIPI interface cameras support high resolutions and high frame rates, … Read more

Complete Guide to RS-485 System Design

Complete Guide to RS-485 System Design

【Motor Drive | 5G RF | Signal Conditioning | Circuit Design | Power Supply Design | Circuit Layout | High-Speed Interfaces】Join the AI Robot group to access the above practical technical documents, and interact with industry peers👆👆👆The purpose of this application report is to introduce the key aspects of RS-485 system design, providing a comprehensive … Read more

In-Depth Analysis of TCP/IP Protocol: The Foundation of Internet Communication

In-Depth Analysis of TCP/IP Protocol: The Foundation of Internet Communication

TCP/IP (Transmission Control Protocol/Internet Protocol) is the most fundamental protocol of the Internet, forming the basis of the global interconnected network. It consists of two main parts: the IP protocol at the network layer and the TCP protocol at the transport layer. These two protocols work together to ensure that data can be accurately transmitted … Read more