[Mahesh] designed a sleek little PCB that holds the RP2040 along with the MEMS microphone and a USB connector. The end result looks tidy enough that it might have come out of a mass-produced gizmo.

All you'll need to do with any of these microphones is plug the USB cable into your laptop, tablet, or smartphone, install drivers if you're on Windows, and you'll be ready to go. No mixer or audio ...

Deciding to go for a full digital design for the circuitry, the peripheral is based off of a MEMS microphone and an STM32 microcontroller doing the heavy lifting between it and a USB connection.

NZXT’s Capsule series of microphones showcase just that ... Brand NZXT Type USB Pattern Cardioid Connector USB Type-C Weight 291.8 grams Frequency Bandwidth 20Hz to 20kHz Capsule Size 25mm ...