2 layers36.8 × 20.1 mm
Parallel port headphone dac
roybaer/parallel_port_headphone_dac
This is a reasonably accurate replica of the early 1990s SoundJr device by SiliconSoft.
37 parts4
Boards using the MMST2222A
4 boardsBoards in 4 GitHub repositories, designed in KiCad, that use the MMST2222A by Diodes Incorporated (-55℃~+150℃ 1 NPN 100 10nA 200mW 300MHz 300mV 40V 600mA 6V NPN SOT-323 Bipolar (BJT) ROHS). See how each wires it, with its parts, size, README and files; the MMST2222A’s symbol, footprint and pinout are on its own page.
- 4 layers54.6 × 54.6 mm
- 2 layers115 × 70.6 mm
- 4 layers64.4 × 54.6 mm
