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Yiwei edited this page Apr 18, 2023 · 32 revisions

💬 Hardware Wiring Diagram

image

https://pinout.xyz/pinout/pin12_gpio18

💬 Introduction of Raspberry Pi

  • Introduction to Raspberry Pi

Raspberry Pi is a series of single-board computers (SBCs) designed and developed by the Raspberry Pi Foundation, a UK-based charity organization. The goal of the foundation is to promote the teaching of basic computer science skills in schools and developing countries.

Raspberry Pi boards are low-cost and credit card-sized computers that offer a wide range of features and capabilities. The first Raspberry Pi was launched in 2012, and since then, the foundation has released several models with different specifications and performance levels.

  • Technical Specifications

The latest Raspberry Pi model, the Raspberry Pi 4, offers the following technical specifications:

Processor: Broadcom BCM2711, quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz Memory: 2GB, 4GB, or 8GB LPDDR4-3200 SDRAM (depending on model) Connectivity: Gigabit Ethernet, 2.4 GHz and 5.0 GHz IEEE 802.11ac wireless, Bluetooth 5.0, BLE Video: 2 × micro-HDMI ports (up to 4Kp60 supported) Multimedia: H.265 (4Kp60 decode); H.264 (1080p60 decode, 1080p30 encode); OpenGL ES, 3.0 graphics Ports: 2 × USB 3.0 ports, 2 × USB 2.0 ports GPIO: Standard 40-pin GPIO header (fully backward-compatible with previous boards) Storage: MicroSD card slot for loading operating system and data storage Operating system: Boots from MicroSD card, with support for several Linux distributions, including Raspbian, Ubuntu, and others.

  • Applications

Raspberry Pi boards can be used for a variety of applications, such as:

Desktop computer: Raspberry Pi boards can be used as desktop computers for basic tasks such as web browsing, word processing, and video playback. Media center: Raspberry Pi can be used as a media center for streaming videos, music, and photos to a TV. Home automation: Raspberry Pi boards can be used for home automation tasks such as controlling lights, thermostats, and security systems. Education: Raspberry Pi boards can be used for teaching programming, electronics, and robotics in schools and universities. Industrial automation: Raspberry Pi boards can be used for industrial automation tasks such as monitoring sensors and controlling equipment.

  • Conclusion

Raspberry Pi boards offer a low-cost, versatile, and powerful computing platform for a wide range of applications. With the support of a large community of developers and enthusiasts, Raspberry Pi is constantly evolving, and new models and features are being added to meet the needs of different users.

💬 Ledstrip

Guide for WS2812B Addressable RGB LED Strip

💬 Qt

#Qt Install
sudo apt upgrade
sudo apt update
sudo apt-get install qt5-default
sudo apt-get install qtcreator
sudo apt-get install qtdeclarative5-dev
sudo apt install qml-module-qtquick-controls2

sudo apt-get install qtmultimedia5-dev 
sudo apt-get install libqt5multimedia5-plugins
sudo apt-get install libqt5charts5-dev
sudo apt-get install qml-module-qtquick2 qtdeclarative5-dev

sudo apt install lib*
sudo apt install qml*

Qt is a cross-platform application development framework that provides a set of tools and libraries for building graphical user interfaces (GUIs) and other applications. Some of the Qt related components include:

  • Qt Widgets: A set of pre-built UI elements, such as buttons, sliders, and text boxes, that can be easily integrated into an application.

  • Qt Quick: A declarative language that allows for the creation of high-performance, dynamic user interfaces.

  • Qt Core: A set of essential classes and functions for creating and managing data structures, managing events, and controlling application flow.

  • Qt Multimedia: A set of classes and functions for handling multimedia, including video and audio playback, recording, and streaming.

  • Qt Charts: A module that provides a set of easy-to-use chart components for Qt applications. It offers a variety of chart types, including line charts, bar charts, pie charts, and scatter charts

💬 Google Test

#install gtest
git clone https://github.com/google/googletest
cd googletest
mkdir build
cd build
cmake ..
make
sudo make install

💬 rpi_ws281x

Raspberry Pi PWM library for WS281X LEDs

git clone https://github.com/jgarff/rpi_ws281x.git
cd rpi_ws281x
mkdir build
cd build
cmake -D BUILD_SHARED=OFF ..
sudo make install

💬 Doxygen

#install doxygen
sudo apt-get install doxygen
sudo apt-get install graphviz

#Generate configuration template files using Doxygen commands
doxygen -g Doxyfile

#After modifying the Doxygen configuration file, use the command to generate the html document:
doxygen Doxyfile

💬 Git

Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.

#install git
sudo apt-get update
sudo apt-get install git
git --version

💬 CMake

#install cmake
sudo apt update
sudo apt install -y cmake
cmake --version

💬 C++

#Install the C++ compilation environment
sudo apt install build-essential

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