bamfic , vor einem Monat

@foone that would be cool

polpo , vor einem Monat

@foone my two most searched terms in my camera roll are "circuit board" and "cat"

foone OP , vor einem Monat

This is a MC34118 VOICE SWITCHED SPEAKER-PHONE CIRCUIT from Unisonic Technologies.
I think that basically just means it's a couple audio amps on a single chip with some extra circuitry for mute buttons and such.

foone OP , vor einem Monat

This is out of a no-name COVID tester thing I disassembled. I think this is just here so it could say things at you and some remote viewer could hear what you said in response.