I think this has what you are looking for, there are a few different cards to ch...

		29ebJCyy on Aug 4, 2021 \| parent \| context \| favorite \| on: Ray Ozzie's latest venture is a cheap IoT board wi... I think this has what you are looking for, there are a few different cards to choose from but I think they are all in the 35mm square range (https://github.com/blues/note-hardware/tree/master/Notecard)