Example Output Devices
To keep things simple I am usually using the AudioKit to test. No needs to wire up anything...just deploy the sketch and run.
We use the PWMAudioStream as audio sink. Here as well there are minimum hardware requirements: Just use the processor and use some earphones or piezo electric elements, that will be driven by the output pins:
The quality will be quite bad but hey, isn't it cool to have the rp2040 talking with just a few lines of code!