4 layers276.9 × 172.7 mm

Simplevideo
gfoot/compvideo6502
Composite/component video output for homebrew 6502 computers
65 parts36Unlicense
Boards in 2 GitHub repositories, designed in KiCad, that use the CD74HC40103E by Texas Instruments (-55℃~+125℃ 1 18MHz 2V~6V 74HC 8 Asynchronous Divide-by-2 Down Counter Reset function、Cascade counter、Synchronous counting、Asynchronous parallel load Rising Edge Synchronous PDIP-16 Counters, Dividers ROHS). See how each wires it, with its parts, size, README and files; the CD74HC40103E’s symbol, footprint and pinout are on its own page.

gfoot/compvideo6502
Composite/component video output for homebrew 6502 computers

arhefner/1802-Mini-SPI-DMA
SPI Expansion Board for the 1802/Mini Computer