Includes video tutorials and three PDF document books. Videos provide convenient visual learning, while PDFs offer quick reference and review material. The program guides learners from basic to advanced levels, covering digital circuits, C language basics, 51 microcontrollers, and commonly used peripheral modules. This structured progression helps learners build a solid foundation for study and future employment. Key benefits - Multimodal learning with video and text to support understanding and retention - Comprehensive coverage from fundamentals to practical topics - Self paced study with a ready reference for review and practice Use scenarios - A student preparing for exams uses videos to learn concepts and PDFs to review and practice - A beginner progresses from easy to advanced topics to gain practical skills in digital circuits and microcontrollers - An engineer references the materials during project work to reinforce fundamentals and guide design decisions