DIY open-source ultrasound hardware on the rp2040/rp2350(un0rick.cc)70 points by kelu124 5 months ago | 6 comments
JanOS: Turn your phone into an IoT board (2015)(janos.io)141 points by danboarder 3 years ago | 25 comments
Building a USB to Mac ADB keyboard adapter(paperstack.com)112 points by dcminter 2 years ago | 54 comments
PicoPCMCIA – a PCMCIA development board for retro-computing enthusiasts(yyzkevin.com)99 points by rbanffy 9 months ago | 25 comments