I’ve been using RevK’s new voice recorder boards for a few weeks now - the original prototype (on the left in the photo), and now the production v2 board (on the right in the photo) - so I thought it was a good opportunity to write up my thoughts. What it is It is a small, open source - PCB files, as well as the default software, are available - standalone audio recorder, with stereo microphones, which records a .wav file to a micro SD card. I have been using a 128GB micro SD card. One bu...
