> For the moment the only option is to make capibaraZero with a breadboard but we are working on a PCB to make device more portable.
Radically low-cost, can't disagree :)
PCB files are actually available: https://github.com/CapibaraZero/resources/tree/main/PCB/
OTOH it's nice to be able to literally see every part, and how they are connected.