On the RP2040 side, plug the Pico into your computer, open the virtual serial port created, and witness the USB packets streaming in – for the price of a Pico, you get an elegant USB sniffer ...

There are chips available to directly interface such a microphone to a USB port, but [Mahesh] found them ... the Raspberry Pi Pico platform. Luckily, someone had already figured out how to read ...