<![CDATA[Vocational machining education requires learning resources that can connect theoretical explanations with direct interaction with industrial equipment. However, students in lathe-machining courses often struggle to identify machine components, understand their functions, and relate components to appropriate operating procedures and safety practices. This study aims to develop and evaluate a component-linked Quick Response (QR) Code learning media system that provides contextual digital information directly through physical lathe components. This study employed a Research and Development (R&D) approach based on the ADDIE framework. The study was conducted at SMK Negeri 5 Padang, Indonesia, involving 74 Grade XI Machining Engineering students. Data were collected through content and media-design expert appraisal, student-response questionnaires, and teacher interviews. The results showed that the developed QR Code learning media achieved very good feasibility ratings from experts, with mean scores of 3.57 for content quality and 3.67 for media-design quality. Student responses produced an overall mean score of 66.78, classified as good, with 89.18% of students providing positive evaluations. Teacher perspectives indicated that the media supported independent access to information, increased student engagement, and facilitated understanding of lathe-component functions and operations during practical activities. The study contributes a physical–digital learning model that integrates QR Code technology with authentic vocational equipment and provides preliminary evidence for further experimental investigations of learning effectiveness.]]>
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