Learn how to add audio input, output, and machine learning capabilities to your Raspberry Pi Pico 2! Works just as well on original Pi Pico, but the machine learning inference is significantly faster on RP2350. This step-by-step guide covers everything from setting up analog and I2S microphones to playing audio through speakers and running a keyword spotting model with the new RP2350 chip. Materials, #aliexpress links Raspberry Pi Pico 2 ( ) Grove Shield for Pi Pico (cheaper alternative ) Grove cables I2S Microphones Grove Analog Microphone Alternative Analog Microphone 5w 8 Ohm Speakers PAM8406 Digital Amplifier Github hoodie :) Most of the sketches used in the video are available as examples for Arduino-pico core, the rest are here: Arduino-pico core: Keyword spotting project: