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 […]
Tag: comm
Stm32_Standard library_18_Serial port & Bluetooth module_Communication between mobile phone and Bluetooth module_Control LED light on and off
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 […]
Computer Java Project Recommendation Hospital Appointment Registration System Based on SSM_2
Project Introduction : The system is designed with three user roles: administrator, user, and doctor. Basic functional modules include doctor scheduling, online appointment registration, payment, medical record inquiry, prescription viewing, etc. Compared with other information management systems, this system has more special functions, such as department screening of doctors, medical record inquiry, etc. Users can […]
Getting started with git commands
Reference Liao Xuefeng git tutorial-recommended git diagram Branch naming convention ps: The pictures are all other people’s 1.Basic concepts Region Four areas: Working Directory, Staging Area (stage/index), Local Repository, and Remote Repository. The relationship between them is as follows: – branch Master branch (master/main) (the master branch is always the stable version available and cannot […]
“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 […]
The Tao of Git Commit: Standardized Commit Message Writing Guide
1 commit message specification The commit message format includes three parts: Header, Body and Footer <type>(<scope>): <subject> <body> <footer> Header is required, Body and Footer can be omitted. 1.1 Header Type (required) type is used to describe the category of git commit, and the following identifiers are allowed. feat：New function (Feature) “Feat” is used to […]
Python artificial intelligence practice: automatic recommendation system
1. Background Introduction 1.1 What is an automatic recommendation system? With the development of the Internet, users’ demand for products and services is increasing day by day. In order to meet users’ needs for goods and services, we need to provide a better shopping experience. In the field of e-commerce, recommendation systems based on user […]
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 […]
Exclusive and original! The sparrow optimization algorithm that combines northern goshawk and adaptive t distribution has excellent results! Highly recommended product! MATLAB code…
Statement: Resale and reselling of the author’s original code is prohibited, and violators will be prosecuted! The sparrow search algorithm (SSA) was proposed in 2020 and has been widely used in many fields. The design of the Sparrow algorithm is inspired by the biological characteristics of birds. The mathematical model established based on the foraging […]
Apache Airflow (4): Airflow scheduling shell command
Personal homepage: IT Pindao_Big data OLAP system technology stack, Apache Doris, Clickhouse technology-CSDN blog Private chat with bloggers: Join the big data technology discussion group chat to get more big data information. Blogger’s personal B stack address: Brother Bao teaches you about big data’s personal space – Brother Bao teaches you about big data personal […]