This study aims to develop a learning medium in the form of a jobsheet based on the Smart Relay Multi-Sensor Zelio SR2B201FU training kit that is suitable for use in industrial automation practicum learning. The research employed a Research and Development (R&D) method using the ADDIE model. The results showed that the developed media had a very high level of validity, with a material validation score of 91.90% and a media validation score of 89.68%. In terms of practicality, the media received positive responses with a percentage of 89.14% and was categorized as very practical. In terms of effectiveness, the use of this learning media was able to improve students’ learning outcomes. This was indicated by the Paired Sample T-Test with a significance value of 0.000 (<0.05) and an N-Gain score of 0.58, which falls into the moderate category. In the psychomotor domain, students demonstrated very good ability in carrying out the practicum. Therefore, the jobsheet based on the Smart Relay Zelio SR2B201FU training kit is considered valid, practical, and effective for use in practicum learning.
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