This study aims to create and develop a learning media in the form of QR Code-Based Electricity Safety Teaching Aids (K2) in Occupational Health and Safety (K3) Subjects in the Undiksha Electrical Engineering Education Study Program. This research is included in the type of R&D research (reasearch and development). This study uses percentage statistical analysis techniques to process data from content experts, media experts, and trials on students. This study used a questionnaire as an instrument to collect data from content experts, media experts, and students. The results of the research results of the content expert validation test obtained 95.4% with very decent qualifications, the media expert validation test obtained 95.5% with very decent qualifications, small group trials of 5 respondents obtained very high qualifications, and large group trials of 15 respondents obtained results with very high qualifications. Learning media in the form of a QR Code-Based Electricity Safety Teaching Tool (K2) is used in the learning process for Occupational Health and Safety (K3) courses in the Undiksha Electrical Engineering Education Study Program.
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