Creating a Seamless Communication Terminal Based on MQTT

Creating a Seamless Communication Terminal Based on MQTT

Author:Nanhai District Dali Town Junior High School, Foshan City, Guangdong Province Zhang Quan, Ling Yujie, Xie Hanzhe This article is sourced from “Invention and Innovation” May 2023 Junior High School Edition We found that homeroom teachers and subject teachers have many repetitive and mechanical tasks, such as: every day the homeroom teacher conveys messages from … Read more

Getting Started with Raspberry Pi: Practical Configuration (VNC and Serial)

Getting Started with Raspberry Pi: Practical Configuration (VNC and Serial)

This section discusses practical application configurations, which are not the configurations mentioned earlier in the config.txt for the /boot partition, such as display and GPU settings. Since this is called getting started, the focus is mainly on practical configurations. 1. Serial Debugging Connection to Raspberry Pi The wire used is a USB to TTL cable … Read more

Raspberry Pi Serial Communication Protocol

Raspberry Pi Serial Communication Protocol

Click the above“Mechanical and Electronic Engineering Technology” to follow us 1. Serial Communication Principles Serial communication refers to a method of transmitting data bit by bit between peripherals and computers through data signal lines, ground lines, etc. Serial ports are a type of interface standard that specifies the electrical standards of the interface, but does … Read more

Implementing Shared Memory for Multi-Core Operation in Quadruped Robots

Implementing Shared Memory for Multi-Core Operation in Quadruped Robots

Previous Part: Step One: Applying RT Real-Time Patch to Raspberry Pi Step Two: High-Speed SPI Communication Between Raspberry Pi and STM32 1. Robot Control Software Framework for Multi-Tasking In microcontrollers, we can use timer interrupts, software scheduling, or directly use embedded operating systems like FreeRTOS or UCOSII to achieve timed execution of different control tasks. … Read more

Raspberry Pi I2C Communication Tutorial

Raspberry Pi I2C Communication Tutorial

Click the above “Mechanical and Electronic Engineering Technology” to follow us 1. What is I2C Communication I2C (Inter-Integrated Circuit) is a serial communication protocol used for transferring data between integrated circuits (ICs). It was developed by Philips (now NXP Semiconductors) in the 1980s and has become a widely adopted communication standard in various electronic devices. … Read more

Raspberry Pi | Ultrasonic Sensor Tutorial

Raspberry Pi | Ultrasonic Sensor Tutorial

Click on the above“Mechanical and Electronic Engineering Technology” to follow us The ultrasonic sensor is an electronic sensor based on acoustic principles. It measures the distance between the sensor and an object by emitting ultrasonic pulses and receiving reflected signals, and is used to detect the presence of objects. It has widespread applications in modern … Read more

Introduction to ARM Assembly Programming

Introduction to ARM Assembly Programming

Welcome to the series of articles “Introduction to ARM Assembly Programming.” This series is designed to lay the groundwork for the upcoming “ARM Exploit Development Tutorial” (in progress). Before we dive into writing shellcode and constructing ROP chains using ARM assembly, we need to first grasp some fundamental knowledge about ARM assembly. We will cover … Read more

Learn Embedded Systems Through Project Cases

Click on the blue text to follow us 01 Preface The author has worked at an application-oriented technical university for nearly ten years. During this time, many students have learned new skills by running various examples on development boards, such as blinking an LED or driving a screen. When they successfully run these examples, they … Read more

Combining Raspberry Pi with AI Technologies for Embedded Linux Development

Original content by JG Education, please feel free to share with your friends. Unauthorized reproduction by other public accounts is prohibited. Micro Course Video: GPIO Channel Settings and LED Control👇 Micro Course Video: Implementation of Intrusion Alarm Function👇 Micro Course Video: Exercise – Mobile Remote Control Light👇 Some Electronic Courseware👇 Author: Wang Zheng Editor: Zhang … Read more

Raspberry Pi | Capture Video and Display in Real Time

Raspberry Pi | Capture Video and Display in Real Time

Click the above “Mechanical Electronic Engineering Technology” to follow us My requirements: Raspberry Pi 3B+, operating system Raspbian-stretch, OpenCV installed on python3.5.3, connected to CSI camera. 1. Use SSH to connect to Raspberry Pi remotely 2. Create a directory to store the code mkdir /home/pi/my_code_directory 3. Enter the directory to store the code cd /home/pi/my_code_directory … Read more