4 layers51.2 × 51.2 mm

The extender
H3wastooshort/the_extender
it extends your phones storage, battery life, and audio interfaces
123 parts2GPL-3.0
Boards in 4 GitHub repositories, designed in KiCad, that use the HS-100B by Cmedia (-15℃~+70℃ 1.8V、3.3V、3.6V、4.5V~5.5V 44.1kHz~48kHz Transceiver、Encoder/decoder USB LQFP-48(7x7) Audio Interface ICs ROHS). See how each wires it, with its parts, size, README and files; the HS-100B’s symbol, footprint and pinout are on its own page.

H3wastooshort/the_extender
it extends your phones storage, battery life, and audio interfaces



punkfab/pcb-corpus
235 real KiCad boards from open-source hardware repositories, prepared as a placement and routing benchmark