Learn about digital circuits in this 26-minute lecture focusing on flip-flops and serial protocols. Explore state diagrams, state transition tables for RS and T flip-flops, and the conversion between different flip-flop types. Examine registers, including serial-to-parallel shift registers, and delve into various serial communication protocols. Gain insights into the general characteristics of serial communication, Serial Peripheral Interface (SPI), asynchronous serial, and Universal Serial Bus (USB). Access additional resources at www.newae.com/teaching to supplement your understanding of these fundamental digital circuit concepts.