Explore the process of reprogramming CPU microcode using an Arduino in this 31-minute video tutorial. Learn about EEPROM programmer code, defining constants, and writing microcode for NoOp instructions. Follow along as the instructor demonstrates programming three separate EEPROMs, providing a comprehensive look at the intricacies of low-level CPU operations. Gain insights into 8-bit computer architecture and enhance your understanding of microcode implementation through practical examples and step-by-step guidance.