Control the LED lights on and off by inputting LED_ON and LED_OFF respectively wiring: The positive electrode of the LED is connected to positive electricity, and the negative electrode is connected to GPIOA_Pin1 Bluetooth module TXD is connected to GPIOA_Pin3, VCC is connected to positive power, and GND is connected to negative power. Note: USART2 […]
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“The charm of the GUI graphical interface, the secure communication of the SSH protocol and the efficient development of IDEA integrated with Git”
Article directory introduction 1. Practical application of GUI graphical interface 2. Secure communication using SSH protocol What is SSH? git/github generates the key and passes Remote github warehouse configuration 3. Quick start guide for integrating Git with IDEA Summarize Introduction In the field of computer science, a graphical user interface (GUI) is a user interface […]
React technical principles and code development practice: from Jest to Enzyme
1. Background Introduction React is a JavaScript library developed by Facebook for building user interfaces. Its original intention was to solve the problem of low view rendering efficiency in JavaScript single-page applications. Facebook is also using React internally for the development of internal projects. This article will introduce some knowledge points about React principles, component […]
JAVA Deepening Chapter_37 – TCP Communication Implementation and Project Cases
TCP communication implementation and project cases TCP communication implementation principle We mentioned that the TCP protocol is connection-oriented, and the client and server must establish a connection during communication. In network communication, the program that actively initiates communication for the first time is called the client program, or client for short, and the program that […]
React technical principles and code development practice: use React to develop a shopping cart application
1. Background Introduction An indispensable function before a shopping website or e-commerce platform goes online is the “shopping cart”. This article will lead readers to fully understand the application of React technology in shopping carts through a shopping cart application case developed based on the React framework. We can start with the following points to […]
Explore Miniconda3: a simple and flexible Python environment and software package management tool
Miniconda3 installation and configuration notes Foreword Miniconda3 is a lightweight Anaconda distribution that provides a flexible and simplified way to manage Python environments and packages. This article will introduce how to install, configure and manage Miniconda3, as well as use the conda command to manage the environment and software packages. Article directory Miniconda3 installation and […]
React technical principles and code development practice: creation and use of React components
1. Background Introduction Overview React is a JavaScript library for building user interfaces. It is designed to separate the UI layer and state logic and provide a concise and flexible API. When Facebook launched React in 2013, it was intended to replace Backbone and AngularJS. In order to better understand React, you need to understand […]
Intelligent ultrasonic following distance display car based on 51 microcontroller
1 Introduction In the past two years, the requirements and difficulty of graduation projects and graduation defenses have continued to increase. Traditional graduation projects lack innovation and highlights, and often fail to meet the requirements for graduation defenses. In the past two years, junior students and junior students have constantly told Senior Xiaohong to do […]
STM32-HAL library 09-CAN communication (loopback mode)
1. Materials used: STM32F103C6T6 Minimum System Board STM32CUBEMX (HAL library software) MDK5 Serial debugging assistant 2. What you learned: Preliminarily learn how to use the CAN communication function of STM32. In this chapter, we mainly achieve the effect of on-board CAN communication, that is, 32 sends CAN information and then prints it out through the […]
STM32 I2C communication protocol and temperature and humidity sensor module
Learn the I2C bus communication protocol, use STM32F103 to complete the data collection of the AHT20 temperature and humidity sensor based on the I2C protocol, and output the collected temperature-humidity values through the serial port Article directory 1. Preliminary knowledge (1) I2C communication protocol (2) I2C physical layer (3) I2C timing (4) Hardware I2C and […]