Data Transmission Articles - Page 18 of 31

Arduino Lecture 9: Serial Communication

2025-10-16 by boardor

01Serial CommunicationSerial Port:The serial port, also known asserial communicationinterface orserial communication interface(usually referring toCOM port), is anexpansion interface that uses serial communication.USB (Universal Serial Bus)is a serial portbus standardand also atechnical specification for input and output interfacesthat is widely used inpersonal computersandmobile devicesand has expanded tophotographic equipment,digital televisions(set-top boxes),game consolesand other related fields.Serial communication: Refers … Read more

Issues and Solutions When Using RS485 Hubs

2025-10-16 by boardor

RS485 hubs play a crucial role in industrial automation, remote monitoring, and other fields, but various issues often arise during their application. How can we address these problems promptly? The following discusses these issues. 1. Common Mode Interference and Signal Ground Handling Issue: Common mode voltage exceeding the RS485 transceiver range can lead to unstable … Read more

Comprehensive Analysis of SPI Interface in Embedded Education

2025-10-15 by boardor

In the modern technology field, embedded system interfaces play an indispensable role as the core hub for information exchange. Various interfaces achieve efficient data transmission and intelligent collaboration between devices through standardized communication protocols and specifications. As one of the core technologies in embedded development, a deep understanding and proficient use of interfaces directly determine … Read more

A Comprehensive Guide to SPI Communication!

2025-10-12 by boardor

Hello everyone, welcome to <span>LiXin Embedded</span>. In the world of embedded development, SPI (Serial Peripheral Interface) is undoubtedly a well-known name. It acts like an efficient “courier,” quickly transferring data between microcontrollers, sensors, ADCs, DACs, and other devices. With its high speed, simplicity, and ease of implementation, SPI has become a favorite in countless embedded … Read more

Understanding RS232 and RS485 Communication

2025-10-11 by boardor

Overview of RS232 The RS-232 interface complies with the serial data communication interface standard established by the Electronic Industries Alliance (EIA). The original designation is EIA-RS-232 (abbreviated as 232, RS232). It is widely used for external connections of computer serial interfaces, including connection cables, as well as mechanical, electrical, signal, and transmission processes. The RS-232-C … Read more

HTTP vs HTTPS: Unveiling the Key Differences in Network Security You Should Know

2025-10-07 by boardor

链接：https://blog.csdn.net/weixin_74814027/article/details/145933302?spm=1001.2014.3001.5502 1. Introduction to HTTP and HTTPS HTTP (HyperText Transfer Protocol) is a stateless communication protocol commonly used for transmitting hypertext (such as HTML pages) between clients (like browsers) and servers. However, it is merely a one-way communication protocol, and data is not encrypted during transmission, making it susceptible to man-in-the-middle attacks. Stateless means it … Read more

Understanding the Differences Between HTTP and HTTPS: Significant Differences, HTTP Can Leak Information!

2025-10-04 by boardor

Communication Knowledge When browsing the internet, have you noticed that some websites have URLs starting with HTTP:// while others start with HTTPS://? HTTP and HTTPS are two protocols used for transmitting information over the internet. Although they serve similar functions, there are significant differences in terms of security and application scenarios. This article will detail … Read more

Introduction to TCP/IP in Embedded Systems

2025-10-04 by boardor

TCP/IP is the foundational protocol of the Internet. Below is a detailed introduction to it: Protocol Layers •Application Layer: Provides application program interfaces for users. Common protocols includeHTTP (Hypertext Transfer Protocol),SMTP (Simple Mail Transfer Protocol),DNS (Domain Name System), etc.HTTP is used for web page transmission between browsers and servers;SMTP is used for sending emails;DNS is … Read more

Comparison of Three Major Serial Transmission Buses

2025-10-03 by boardor

If you don’t want to miss my updates, remember to check the public account in the upper right corner and set it as a star, take down the star and give it to me. Three commonly used serial buses are known to many, but distinguishing between them can be confusing. This video compares the three … Read more