KiCad: An Open-Source Powerhouse for Electronic Design

Huskier
6 min readMar 6, 2024

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Introduction

In the realm of electronic design automation (EDA), proprietary software tools have long dominated the landscape. However, the rise of open-source alternatives has begun to challenge the status quo, offering accessible and powerful solutions for PCB layout engineers and technical personnel alike. Among these open-source EDA tools, KiCad stands out as a beacon of innovation and collaboration.

A Brief History of KiCad

KiCad’s journey began in 1992 when Jean-Pierre Charras, a researcher at the IUT de Grenoble, France, initiated the project. The early versions of KiCad were developed using the wxWidgets framework, laying the foundation for a cross-platform EDA tool. Over the years, KiCad evolved steadily, attracting a growing community of users and contributors.

A significant milestone in KiCad’s history occurred in 2015 when CERN, the European Organization for Nuclear Research, have seriously adapted the open-source software KiCad to make it an efficient tool for designing open-source hardware (CERN’s contribution to KiCad had started from 2013). CERN’s involvement in KiCad brought a new level of credibility and resources to the project. This collaboration accelerated the development of KiCad, leading to improved features, enhanced stability, and increased adoption within the electronics industry.

Another noteworthy event occurred in 2019 when KiCad joined the Linux Foundation, signifying its growing importance in the open-source hardware community.

With the arriving of version 8.0, KiCad has evolved into a formidable force in the realm of PCB design software, shaping the future of electronics creation.

The KiCad Community and Ecosystem

One of the greatest strengths of KiCad lies in its vibrant and supportive community. The KiCad forums and mailing lists are hubs of knowledge sharing and collaboration, where users from all walks of life come together to discuss ideas, share designs, and provide assistance to one another. This sense of camaraderie and mutual support is a testament to the open-source spirit that drives the KiCad project.

The KiCad ecosystem extends beyond the core software itself. A wide range of libraries, plugins, and tools have emerged, enabling users to customize and extend KiCad’s functionality to suit their specific needs. For example, the KiCad Library Convention (KLC) provides guidelines for creating consistent and high-quality component libraries, while tools like KiBot automate the generation of manufacturing files and documentation.

Interoperability with Other EDA Tools

In the world of EDA, interoperability between different software tools is crucial for seamless workflows and collaboration. KiCad recognizes this importance and has made significant strides in ensuring compatibility with other popular EDA tools.

With the version 8.0 release, KiCad now supports importing full projects and libraries from various other tools, including EasyEDA, CADSTAR, Solidworks PCB, Altium Designer, EAGLE, and LTSpice. This interoperability allows users to migrate their designs from proprietary tools to KiCad with relative ease, reducing the barriers to adoption.

Furthermore, KiCad’s open file formats and well-documented APIs enable the development of third-party tools and integrations. This openness fosters a collaborative ecosystem where users can create custom solutions and workflows that bridge the gap between KiCad and other EDA software.

The KiCad Developer Team

Behind the success of KiCad stands a dedicated team of developers who tirelessly work to improve and expand the software’s capabilities. The KiCad developer community is a diverse group of individuals from around the world, united by their passion for open-source electronics design.

The core development team, now led by Wayne Stambaugh, consists of skilled programmers, electronics engineers, and UI/UX designers. Their expertise and commitment to the project have been instrumental in shaping KiCad into the powerful and user-friendly tool it is today.

In addition to the core team, numerous contributors from the wider KiCad community actively participate in the development process. Through bug reports, feature requests, and code contributions, these individuals play a vital role in driving the continuous improvement of KiCad.

The developer team @KiCon2019

The Challenges of KiCad’s developing Infrastructure

While KiCad’s open-source nature and community-driven development are its greatest strengths, the choice of software infrastructure poses certain challenges. KiCad’s reliance on the wxWidgets framework for its graphical user interface (GUI) has been a point of contention among developers and users alike.

wxWidgets, although cross-platform and widely used, has its limitations in terms of performance, aesthetics, communities, and ease of use. The framework’s dated appearance and inconsistencies across different operating systems have led to concerns about KiCad’s visual appeal and user experience. The learning curve for developers unfamiliar with wxWidgets can be steep, hindering the onboarding of new contributors.

Moreover, the tight coupling between KiCad’s core functionality and its GUI presents difficulties in maintaining and evolving the software. Changes to the core logic often require corresponding modifications to the GUI, increasing the complexity of development and the risk of introducing bugs.

A possible solution to these challenges lies in the separation of KiCad’s core functions from its GUI. By adopting a modular architecture that decouples the underlying algorithms and data structures from the user interface, KiCad could achieve greater flexibility and maintainability. This separation would allow for the independent development and testing of the core functionality, while enabling the exploration of alternative GUI frameworks or the creation of custom front-ends tailored to specific user needs.

The Future of KiCad

Despite the challenges posed by its current software infrastructure, the future of KiCad is filled with promise and potential. As the open-source EDA movement continues to gain momentum, KiCad is poised to play a pivotal role in shaping the landscape of electronics design.

The growing community of users and developers, coupled with the increasing support from industry partners, will drive the continuous improvement and expansion of KiCad’s capabilities. Collaborative efforts to refine the user experience, optimize performance, and incorporate cutting-edge technologies will propel KiCad to new heights. Future iterations of KiCad can be expected to incorporate advancements in areas like AI-powered design assistance, improved 3D visualization capabilities, and enhanced collaboration tools.

Furthermore, the modular architecture envisioned for KiCad’s future opens up exciting possibilities for customization and integration. By providing a robust core foundation and well-defined interfaces, KiCad could become a platform for innovation, enabling users to develop specialized tools and workflows that cater to their unique requirements.

As KiCad evolves, it has the potential to democratize electronics design, making it accessible to a wider audience. The availability of powerful, open-source tools like KiCad empowers individuals and small businesses to bring their ideas to life, fostering creativity and innovation in the electronics industry.

Conclusion

In the realm of electronic design automation, KiCad stands as a testament to the power of open-source collaboration. Born from the vision of a single researcher and nurtured by a dedicated community, KiCad has emerged as a formidable alternative to proprietary EDA tools.

The journey of KiCad is one of perseverance, innovation, and the unwavering belief in the value of shared knowledge. It is a story of individuals coming together to create something greater than the sum of its parts, driven by a passion for electronics and a commitment to accessibility.

As we look to the future, KiCad’s potential knows no bounds. With a modular architecture, a thriving ecosystem, and a global community of users and developers, KiCad is poised to revolutionize the way we design and create electronic devices.

In the end, KiCad is more than just a tool; it is a symbol of the open-source spirit, a beacon of hope for those who believe in the power of collaboration and the democratization of technology. It reminds us that when we come together, united by a common purpose, we can overcome any obstacle and shape a future limited only by our imagination.

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