This hands-on course introduces Arduino microcontroller programming and digital circuit simulation for electronics prototyping. Participants will learn to design, simulate, and build real-world circuits using Nexus Pro microcontroller simulator. Topics include: Basics of Arduino programming (C/C++) Interfacing sensors, motors, and displays Virtual circuit design & debugging Simulating logic circuits & microcontroller projects Transitioning from simulation to physical prototyping Ideal for beginners, this course provides a risk-free, cost-effective way to experiment with electronics before building real hardware. By the end, learners will be able to develop and test interactive projects efficiently.