Raspberry Pi Pico Lecture 4: Direct Digital Synthesis

0:00 - Administrivia and reviewing context 1:42 - Lecture goals and DDS introduction 3:55 - What is a sine wave? 4:30 - Creating a new unit for angle 8:10 - Overview of the DDS algorithm 12:00 - Deriving the equation for accumulator increment value 18:00 - Examples with numbers 19:25 - Resolution of the synthesizer 22:00 - How big should the sine table be? 29:00 - Indexing into the sine table 33:15 - Some common questions 35:20 - Looking at DDS in code 39:35 - Cricket chirps 41:55 - Summary of DDS 42:50 - Applications of DDS 49:05 - Plan for the next couple days Fall, 2022 lectures from ECE 4760 (Digital Systems Design Using Microcontroller) at Cornell University. Course site: Hunter’s site: