Fundamentals of electrical engineering are key components of various STEM (science, technology, engineering and mathematics) disciplines at universities. However, teaching materials in this field are often inconsistent, didactically incomplete, not immediately self-explaining , or have an unclear copyright status. Inadequate learning resources can lead to student frustration and, among other factors, contribute to the high dropout rates in STEM programs.

The project "GET (German abbreviation for fundamentals of electrical engineering, “Grundlagen der ElektroTechnik”) it digital" is a collaboration between six partner universities addressing this issue. This paper describes the project´s approach to developing modular and flexibly applicable OER (Open Educational Resources) materials for both students and instructors, ensuring easy accessibility, adaptability, and seamless integration into diverse teaching and learning environments.

At its core, the project consists of 12 modules covering the full spectrum of electrical engineering fundamentals. Implemented in LaTeX, the materials include a comprehensive written script, a set of lecture slides, and learning videos featuring animations with AI-generated voice narration. This multi-channel approach provides students with consistent content across different learning formats. Instructors can freely combine modules according to their specific teaching needs. To support this process, the project offers guidelines for instructors as well as exemplary adaptations of lectures tailored to the varying taxonomy requirements of different degree programs.

Inter-university feedback tandems ensure the high quality of materials throughout the development process. Additionally, the integration of the content into multiple courses for diverse target groups enables direct assessment of learning outcomes and continuous improvement based on empirical testing. Student feedback is systematically gathered through a qualitative and quantitative evaluation involving up to now 135 participants, focusing on didactic design, content quality, visual presentation, social aspects, and learning effectiveness.

In conclusion, this initiative seeks to standardize university-level education in electrical engineering fundamentals by providing OER materials tailored to different study programs and taxonomy levels. By demonstrating the potential of collaborative, inter-university working groups, the project highlights how shared expertise can enhance the quality, accessibility, and adaptability of teaching materials — ultimately improving student learning experiences and reducing frustration in STEM education.

Keywords: OER, Electrical Engineering, Multimedia, LaTeX.