- A teaching video program that covers topics from easy to difficult, with a clear introduction and a progression from 0 to 1. - Core topics include digital circuits, C language basics, 51 microcontrollers, and commonly used peripheral modules. - Builds a solid foundation for study and future employment with strong earning potential. - Two formats are provided: video tutorials and PDF document books. Videos aid learning and understanding, while PDFs are convenient for review and quick reference. - Practical, results-oriented curriculum designed to help you grasp concepts efficiently and apply them to projects and work tasks. - Use scenarios: - A student preparing for electronics or embedded systems coursework or exams. - A junior engineer starting in embedded development who needs a structured learning path. - A hobbyist working on 51-based projects who wants a guided, progressively challenging curriculum. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.