AbstractThis research aims purposes to design and develop a digital-based e-module with ethnoastronomy content for junior high school students. We used a Design-Based Research (DBS) approach with four steps: needs analysis, design planning, development, and reflection on results of use. We used questionnaires, field notes, literature studies, and documentation for social studies teachers. The results showed that the preparation of e-modules refers to the applicable curriculum and pays attention to the analysis of learning needs. E-module design is very good as interactive teaching material, concrete, implementable, characteristic practical, and economical, making it easier for students to understand. The enthusiasm of social studies teachers in improving pedagogical technology competence following the demands of independent, adaptive, and contextual professional teacher competence supports the successful use of e-modules. The research implications increase the variety of interactive teaching m.....