NUCLEO-G474RE-PowerElectronics-Guide

A comprehensive guide to getting started with the STM32 NUCLEO-G474RE development board for power electronics applications. This repository provides tutorials, examples, and best practices for developing power electronics projects using STM32CubeIDE and MATLAB Embedded Coder.

📋 Table of Contents

• Overview
• Features
• Prerequisites
• Hardware Requirements
• Software Requirements
• Getting Started
• Project Structure
• Examples
• Documentation
• Contributing
• License
• Support

🎯 Overview

This guide is designed for engineers and developers who want to learn how to build power electronics applications on the STM32 NUCLEO-G474RE board. Whether you're working with motor control, DC-DC converters, inverters, or other power electronics applications, you'll find practical examples and comprehensive tutorials.

The NUCLEO-G474RE is particularly suited for power electronics due to its:

• Advanced PWM capabilities (multiple timers with complementary outputs)
• High-resolution ADC for sensing and feedback
• Floating-point math co-processor (FPU)
• Sufficient computational power for real-time control algorithms

✨ Features

• STM32CubeIDE Projects: Complete, ready-to-use project templates
• MATLAB Integration: Selected examples with MATLAB Embedded Coder support
• Power Electronics Focus: PWM generation, ADC sampling, feedback control, protection mechanisms
• Step-by-Step Tutorials: Beginner-friendly guides with detailed explanations
• Real-World Examples: Practical implementations of common power electronics circuits
• Best Practices: Firmware development guidelines for power electronics applications
• Documentation: Comprehensive comments and external documentation

📦 Prerequisites

Knowledge

• Basic understanding of embedded C programming
• Familiarity with STM32 microcontroller concepts
• Introductory power electronics knowledge (PWM, ADC, feedback control)
• (Optional) MATLAB/Simulink experience for MATLAB Embedded Coder examples

Hardware

• STM32 NUCLEO-G474RE development board
• USB cable for programming and debugging
• ST-Link programmer (built-in on NUCLEO board)

Software

• STM32CubeIDE (version 1.10 or later)
• STM32CubeMX (typically included with CubeIDE)
• (Optional) MATLAB R2021b or later with Embedded Coder toolbox

🔧 Hardware Requirements

Component	Specification
Microcontroller	STM32G474RE
Flash Memory	512 KB
RAM	160 KB
Operating Voltage	2.0V - 3.6V
ADC Resolution	12-bit
Timer Channels	Multiple advanced timers with complementary outputs
Debug Interface	ST-Link V2-1 (on-board)

💻 Software Requirements

Tool	Version	Purpose
STM32CubeIDE	1.10+	Development environment and debugging
STM32CubeMX	Included	Pin and peripheral configuration
ARM GCC Compiler	Included	C/C++ compilation
MATLAB Embedded Coder	R2021b+	(Optional) Code generation from Simulink

🚀 Getting Started

Step 1: Clone the Repository

git clone https://github.com/Anmol-G-K/NUCLEO-G474RE-PowerElectronics-Guide.git
cd NUCLEO-G474RE-PowerElectronics-Guide

Step 2: Install STM32CubeIDE

1. Download from STMicroelectronics official website
2. Install following the official documentation
3. Ensure ST-Link drivers are installed

Step 3: Open Your First Project

1. Launch STM32CubeIDE
2. Go to File → Open Projects from File System
3. Navigate to the Examples/01_Basic_LED_Blink folder
4. Select the project and click Finish

Step 4: Build and Flash

1. Right-click on the project → Build Project
2. Connect the NUCLEO board via USB
3. Right-click on the project → Run As → STM32 C/C++ Application
4. Verify the LED blinks on the board

Step 5: (Optional) MATLAB Setup

For examples using MATLAB Embedded Coder:

1. Install MATLAB with Embedded Coder toolbox
2. Configure MATLAB to use the ARM GCC compiler
3. Navigate to MATLAB examples in the specific folder
4. Follow the specific tutorial documentation

📁 Project Structure

NUCLEO-G474RE-PowerElectronics-Guide/
│
├── Examples/
│   ├── 01_Basic_LED_Blink/              # Simple GPIO introduction
│   ├── 02_ADC_Basic/                    # ADC sampling fundamentals
│   ├── 03_PWM_Generation/               # PWM basics and configuration
│   ├── 04_Timer_Basics/                 # Timer operation and ISR
│   ├── 05_H_Bridge_Control/             # H-Bridge PWM control
│   └── 06_Current_Sensing/              # ADC-based current measurement
│   └── 07_Phase_Shifted_PWM/            # Complex PWM Switching Technique 
│
├── README.md                             # This file
├── LICENSE                               # MIT License
└── CONTRIBUTING.md                       # Contribution guidelines

📚 Examples

1. Basic LED Blink

Location: Examples/01_Basic_LED_Blink

Get familiar with the development environment by blinking an LED. This example teaches GPIO configuration and basic project structure.

2. ADC Sampling

Location: Examples/02_ADC_Basic

Read analog values from a potentiometer or sensor. Essential for understanding feedback in power electronics applications.

3. PWM Generation

Location: Examples/03_PWM_Generation

Configure PWM signals for driving MOSFETs or IGBTs. Covers frequency, duty cycle, and dead-time configuration.

📖 Documentation

Comprehensive documentation is available in the Documentation/ folder:

• STM32G474RE Overview - Hardware features and capabilities
• PWM Configuration Guide - Advanced PWM setup
• ADC Setup Guide - Analog-to-digital conversion configuration
• Debugging Tips - Troubleshooting and debugging techniques
• Power Electronics Basics - Fundamental concepts

🤝 Contributing

Contributions are welcome! Whether it's adding new examples, improving documentation, or reporting bugs:

1. Fork the repository
2. Create a feature branch (git checkout -b feature/YourFeatureName)
3. Commit your changes (git commit -m 'Add your feature')
4. Push to the branch (git push origin feature/YourFeatureName)
5. Open a Pull Request

Please ensure your contributions:

• Follow the existing code style and structure
• Include meaningful comments in the code
• Add documentation for new examples
• Test thoroughly on actual hardware

See CONTRIBUTING.md for more details.

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.

This allows for both commercial and personal use with proper attribution.

🆘 Support

Resources

• STM32:
  • STMicroelectronics Official Documentation
  • STM32 Nucleo-64 development board
  • STM32G474RE
  • STM32CubeIDE User Manual
• Matlab:
  • Embedded Coder
  • Embedded Coder Support Package for STMicroelectronics STM32 Processors

Getting Help

• Issues: Check existing GitHub Issues or create a new one
• Discussions: Use GitHub Discussions for questions and knowledge sharing

Troubleshooting

• Compilation Errors: Check Debugging Tips
• Hardware Issues: Verify connections and power supply
• STM32CubeIDE Problems: Update to the latest version

Tutorials

• Get Started with Embedded Coder
• Embedded Coder Documentation
• Getting Started with STMicroelectronics STM32 Processor Based Boards
• STMicroelectronics STM32 Documentation

Reference Manuals:

• STM32 G474RE User Manual
• STM32G474xE Datasheet
• STM32 G474RE Reference Manual
• Application note - HRTIM Cookbook
• Description of STM32G4 HAL and low-layer drivers

🗺️ Roadmap

Planned additions:

• Three-phase inverter control example
• Advanced PWM dead-time management
• Real-time data logging example

• More MATLAB Embedded Coder examples
• FreeRTOS integration example
• CAN bus communication tutorial

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• As of now ert_rtw is also tracked will untrack in future if required.

📝 Citation

If you use this guide in your projects or research, please cite:

NUCLEO-G474RE-PowerElectronics-Guide
https://github.com/Anmol-G-K/NUCLEO-G474RE-PowerElectronics-Guide

👨‍💻 Author

Anmol Govindarajapuram Krishnan

• GitHub: @Anmol-G-K
• Email: cb.en.u4eee23103@cb.students.amrita.edu

🙏 Acknowledgments

• STMicroelectronics for excellent microcontrollers and tools
• The embedded systems and power electronics community
• Contributors and users who provide feedback

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Last Updated: February 2026
Status: Active Development

For the latest updates and announcements, watch this repository! ⭐