Explore the design and development of a versatile CPLD module for breadboard use in this 22-minute video from Hackaday. Dive into Bil Herd's discussion on programmable logic, focusing on his custom-designed module that operates at multiple input voltage levels. Learn about the initial design decisions, planned improvements for future iterations, and gain insights into the schematic, symbol, power ground, and software aspects of the project. Understand the soldering process and final changes implemented in this educational journey through complex programmable logic device creation.