Browse 834 open source reference designs tagged "usb hub", including schematics, PCB layouts, and bills of materials sourced from public GitHub repositories.
PulsePins provides a programmable timing core for dozens of digital pins, suitable for pulse sequences, triggers, multiplexing, and general lab ‘digital glue’
DIY audio-related projects of questionable quality and dubious utility; delivered in 30 minutes or less or the next one is free