React technical principles and code development practice: from React Bootstrap to Semantic UI

1. Background Introduction React is one of the hottest front-end JavaScript frameworks currently. Its main advantages are simplicity, flexibility and performance. This article will combine my own research experience and work summary to share how to better understand and master some features and technical details of React. React has become a mainstream front-end UI framework, […]

React technical principles and code development practice: from components to life cycle

1. Background Introduction React is a JavaScript library for building user interfaces. It originated from Facebook, which implemented a front-end view layer framework in JavaScript and open sourced the project. Facebook is now at the helm full-time. React has many features, such as: Declarative programming: React adopts a declarative programming method, that is, using JSX […]

React technical principles and code development practice: from PWA to Web Components

1. Background Introduction React is a JavaScript library for building user interfaces. It was originally open sourced by Facebook in 2013. Its powerful functions, excellent performance, simplicity and ease of use make it one of the most popular front-end frameworks currently. In recent years, the React community has also undergone some changes, including the rise […]

React technical principles and code development practice: React form processing and verification

1. Background Introduction Currently, front-end technology is changing with each passing day, and new technologies are emerging one after another. React, as the most popular Javascript library at the moment, is increasingly favored by developers. React is known as “the Facebook of JavaScript”. Its advantages include componentization, declarative programming, JSX syntax, etc., and React Hooks […]

51 microcontroller + DS1302 design an electronic clock (LCD1602 displays time)

1. Preface An electronic clock is a device that can accurately display time. It is widely used in homes, offices and public places, providing people with convenient and accurate time information. This project designs an electronic clock based on 51 microcontroller, using DS1302 as the RTC clock chip, LCD1602 as the display screen, and connecting […]

2023 Design and development of intelligent electronic product simulation industrial conveyor belt item detection system

2023 National Vocational College Skills Competition Higher Vocational Group “GZ029 Intelligent Electronic Product Design and Development” Competition Paper 1 Title: Design and development of simulated industrial conveyor belt item detection system 1 Competition Task Play the video of the industrial conveyor belt transporting items on the smart TV, and simulate the industrial conveyor belt item […]

stm32 dual machine (f1 and f4) serial communication sends multi-byte symbol number

When I looked for serial port communication information on the Internet, most of it was communication between the host computer and the board. I rarely saw communication between two computers. I will record my thoughts in this article and hope it will be helpful. Interface connection: Select serial port one for f103, select serial port […]

Embedded Linux development—UART serial communication driver hardware programming

0. Basic preparation of serial port In embedded systems, many devices can be controlled through serial ports, such as WiFi, Bluetooth, RFID, etc., so using serial ports in embedded devices is particularly important. First, a few concepts are briefly clarified. RS232, RS485 and TTL refer to electrical level standards. Generally speaking, TTL uses 0V to […]