This will be a waterproof voice recorder. How hard could it be? I don't know, it'll use an SD card or something and have playback. So after the shower, I take it up to my office and transcribe my shower thoughts.
My enclosure arrived and is definitely big enough for the application. I also bought a MP3/MIDI/WAV/OGG play + record module with an SD card slot from adafruit. Hopefully the only other thing I need is a microphone, an SD card, and a speaker or an audio jack so I can play the files back without removing the SD card. Oh wait, the module comes with an audio jack.
@Simon Merrett Hmm, yes, I suppose the piezo would have to be rather close. Whatever I end up with, it doesn't have to sound great, just good enough to transcribe. Maybe I could strap the whole apparatus over my mouth and around my head, or make a face mask from a shower cap and only cover my mouth.
:-) Is a waterproof solution the only option? If you have a rigid shower screen, maybe you could clamp a mic against the outside of that and use it as a pickup? Or would a phone on a shelf somewhere else in the bathroom be sensitive enough? Totally understand if this is an excuse to rabbit hole with some hacking though!
It's mostly about hacking something together! But I should use a phone or something in the meantime. Maybe I'll try using my little digital voice recorder.
@kristina panos I keep thinking of the Teensy audio library and shield, although the website says it still can't currently continuously record to SD https://www.pjrc.com/teensy/td_libs_AudioRoadmap.html. Not sure how big a SPI flash chip you would need for what you are planning to record, in lieu of an SD card.
@Simon Merrett Hmm, yes, I suppose the piezo would have to be rather close. Whatever I end up with, it doesn't have to sound great, just good enough to transcribe. Maybe I could strap the whole apparatus over my mouth and around my head, or make a face mask from a shower cap and only cover my mouth.