ShunkoBot Custom Shield

This repository contains the custom PCB shield designed for the NUCLEO F446RE board used in the ShunkoBot omnidirectional robot.

The shield integrates all the required functionalities for controlling and managing the robot, including support for additional modules such as a robotic arm and an end effector.

Evolution	KiCad

Repository Structure

ShunkoBot_Shield/
├── grbr_shk_shield/                    # Gerber files for PCB manufacturing
├── kicad_shk_shield/                   # KiCad project source files
│   ├── 3D_model_shunko_shield/         # 3D models and archives
│   ├── logo.preety/                    # Custom logo modules
│   ├── NUCLEO-F446RE-symbol-footprint/ # NUCLEO symbols and footprints
│   └── shunko_shield-backups/          # Project backups
├── media/                              # PCB images, renders and logos
├── LICENSE                             # License
└── README.md                           # This file

Main Features

• Control of four DC motors (through integrated drivers)
• 9-axis IMU integration (accelerometer, gyroscope, magnetometer)
• Battery voltage monitoring (LiPo sensing)
• Robotic arm module management and end effector control
• External peripherals connections:
  • LEDs
  • Raspberry Pi
  • Radio module

Power Requirements

To operate the shield, provide:

• 12V → from a 3S LiPo battery
• 5V → from an external step-down converter
• GND

NUCLEO Configuration Requirements

To properly use the shield with the NUCLEO F446RE:

1. Set JMP5 to "external 5V"

2. Modify the solder bridges:

   • Unsolder: SB13 and SB14
   • Solder: SB62 and SB63
   

Images

Schematic

PCB Render

Additional Info

If you are interested in learning more, you can find detailed explanations in the full project report!

License

All components of this project are released under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) license, except for the ROS2 software.

Under the CC BY-NC-SA 4.0 license, you can share and adapt the material, as long as you:

• Give appropriate credit
• Do not use it for commercial purposes
• Distribute any changes under the same license
• Don’t add legal or technical restrictions

ShunkoBot © 2025 by Francesco Stasi, Davide Tonti, Simona Vatinno is licensed under Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International.

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Contact

For commercial licensing inquiries or any questions regarding the use of this project, please contact us at:
shunkobotstmv@gmail.com

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