The “Lab Manuals: Introduction to Embedded Systems” provides a comprehensive guide for beginners to understand and implement fundamental concepts of embedded systems. This manual focuses on hands-on learning using the PIC18F4550 microcontroller, a versatile and widely-used microcontroller known for its robust features and ease of use. Throughout the labs, students will explore essential topics such as digital I/O, timers, interrupts, ADC, and serial communication. The PIC18F4550, with its USB interface and rich peripheral set, serves as an excellent platform for designing and testing various embedded applications. By following these step-by-step experiments, learners will gain practical skills in embedded system design, programming, and debugging, laying a solid foundation for advanced projects in the field.