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Chip Chacha is a new type of electronic information industry data engine platform in China, designed to provide engineers, purchasing, sales, management personnel, makers, teachers, students and other electronic information industry related personnel with massive chip information query, selection alternative, parameter comparison, enterprise risk query, industry information, online course training, technical solutions and other services. Core School focuses on the development of electronic education courses, provides a large number of high-quality courses and technical solutions, reference design for users to use, is a good teacher and friend of electronic hardware engineers.