At $200, a Pi Plex setup probably isn't what you need.
If you want to dabble in audio digital signal processing, you would probably think of grabbing a dedicated DSP chip. But thanks to [WeebLabs], you could just pick up a Pi Pico and use this ...
The MiciMike Home Mini Drop-In PCB is an open-source replacement mainboard designed to convert a 1st Gen Google Home Mini ...