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This work studies a didactical implementation addressing the development of students' competences on DC circuits. The teacher major concern was to approach this subject using several resources and methods in order to improve students' abilities of adapting and dealing with available tools to solve real practical problems. This research studies the impact of these different resources and methods in terms of students' perception, usage and learning results. This design represents a long-term vision, and although the majority of students do not immediately understand it, with some adjustments, some identified in this work, this course may become more effective in improving students' learning in the future.