2 layers333.4 × 149.9 mm
Boards using the 74HCT74D
78 boardsBoards in 59 GitHub repositories, designed in KiCad, that use the 74HCT74D by Nexperia (-40℃~+125℃ 1 2 3.5pF 3ns 4.5V~5.5V 40uA 44ns@4.5V,50pF 4mA 4mA 59MHz 5ns 74HCT Series Asynchronous Complementary D-Type Rising Edge Set and Reset SO-14 Flip Flops ROHS). See how each wires it, with its parts, size, README and files; the 74HCT74D’s symbol, footprint and pinout are on its own page.
- 4 layers304.8 × 330.2 mm
- 6 layers304.8 × 243.8 mm
- 2 layers116.8 × 154.9 mm
- 2 layers
LM80C R6
leomil72/LM80C
A Z80-based homebrew computer withTMS9918, AY-3-8910, Z80 CTC, Z80 PIO, and Z80 SIO
153 parts123GPL-3.0 - 2 layers100 × 50 mm
Rc2014-ym2149
electrified/rc2014-ym2149
KiCad schematics and gerbers for a YM sound card for the RC2014. See it in action here: https://www.youtube.com/watch?v=-iLwi9FagFE
37 parts78 - 2 layers84 × 89 mm
14MHz Accelerator V2 2
Mathesar/14mhz-accelerator
14MHz 68000 accelerator with 1MB fast ram for amiga 500
42 parts78 - 4 layers292.1 × 88.3 mm
Snark barker mca
schlae/snark-barker-mca
A Sound Blaster compatible sound card for Micro Channel bus computers
177 parts69 - 2 layers333.4 × 149.9 mm
- 2 layers106 × 95.4 mm
- 4 layers340 × 210 mm
- 2 layers200 × 150 mm
- 2 layers167.8 × 200.6 mm
Random Jazz Generator
telec16/modular-synth
Little side project, don't expect much updates.
132 parts16 - 4 layers100 × 100 mm
- 2 layers225.4 × 69.3 mm
Lt option clone
polpo/imagescribbler
A Clone of Apple's ImageWriter II/LQ LocalTalk Option card
49 parts14CC0-1.0 - 2 layers100 × 80 mm
Mini8085Ext
skiselev/minimax8085-apu-ext
Arithmetic Processor and Extension Board for MiniMax 8085 SBC
42 parts13 - 2 layers100 × 65.5 mm
SodaIDE v2 konami case
Danjovic/Soda-IDE
8 bit Compact Flash Interface for MSX computers
30 parts11CC0-1.0 - 2 layers170.2 × 154.9 mm
- 2 layers214.6 × 123.2 mm
- 2 layers60.8 × 99.9 mm
- 2 layers103.6 × 74.9 mm
- 4 layers243.8 × 243.8 mm
- 2 layers184 × 80 mm
Adcboard
nuclearfutureslab/ibxII-hardware
Hardware for IBX ][ - nuclear warhead verification with an Apple II
126 parts5GPL-3.0 - 2 layers99.1 × 49.9 mm
