Ever notice that the ESP32-S3 doesn’t have a digital-to-analog converter? [Chris] did and asserts that he doesn’t care because he can just use the PDM system to get the same result. PDM — pulse ...
Design considerations for pulse density modulation (PDM). Design considerations for inter-IC sound (I 2 S). Pros and cons of two popular digital interfaces in MEMS microphones. Small, portable ...