# Application development

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This section contains concise M1 application development notes adapted from the H1 references and checked against the connected M1 board where practical.

- Python Virtual Environment Usage

- Python GPIO Development

- C/C++ GPIO Development

- GPIOD User Guide

The GPIO pages use the verified M1 environment: Debian 13, Python 3.13.5, libgpiod v1.6.3, and visible GPIO controllers `/dev/gpiochip0`, `/dev/gpiochip1`, and `/dev/gpiochip2`.

> Quick Access

- [Skill Development Guide](<Skill Development Guide/Skill Development Guide.md>)
- [Python virtual environment usage](<Python virtual environment usage/Python virtual environment usage.md>)
- [Python GPIO development](<Python GPIO development/Python GPIO development.md>)
- [C/C++ GPIO development](<C_C++ GPIO development/C_C++ GPIO development.md>)
- [GPIOD user guide](<GPIOD user guide/GPIOD user guide.md>)
- [Graphical user interface development](<Graphical user interface development/Graphical user interface development.md>)
- [ROS 2 humble installation guide](<ROS 2 humble installation guide/ROS 2 humble installation guide.md>)
- [Container deployment and user guide](<Container deployment and user guide/Container deployment and user guide.md>)
- [Open-source projects](<Open-source projects/Open-source projects.md>)
- [Multimedia](<Multimedia/Multimedia.md>)
- [Robotics](<Robotics/Robotics.md>)