4 layers127 × 87.6 mm

Dev IO Board
jonghee-son/Development_IO_Board
Education&Development I/O expansion board for my STM32 development boards.
72 partsApache-2.0
Boards in 1 GitHub repository, designed in KiCad, that use the 74LS49PC by Texas Instruments (0℃~+70℃ 5V PDIP-14 Interface - Specialized). See how each wires it, with its parts, size, README and files; the 74LS49PC’s symbol, footprint and pinout are on its own page.

jonghee-son/Development_IO_Board
Education&Development I/O expansion board for my STM32 development boards.