Abstract: In the context of the new engineering discipline, Universities aim to cultivate innovative and application-oriented talents. This article analyzes the shortcomings of the current principles and applications of microcontrollers course teaching. By using the OBE education concept to reverse design, with ability cultivation as the direction, and competition to promote innovation ability cultivation, the course teaching reform and practice are carried out from four aspects: setting course Objectives, optimizing teaching methods, reforming assessment methods, and improving practical teaching. Create a multi-dimensional integrated teaching model of competition and teaching, with classroom teaching as the main focus, micro courses, online classrooms, personalized autonomous learning as the auxiliary, and comprehensive practice of competition to promote learning. Guide students to learn independently and effectively, cultivate their engineering awareness, teamwork spirit, and problem-solving ability. From the perspective of course goal achievement and competition results, the effect is good.

Key words: Multi-dimensional, OBE, Hybrid teaching mode, SCM, New Engineering, Reform in education