2 layers208 × 110 mm
Boards using the 74HC273D
68 boardsBoards in 45 GitHub repositories, designed in KiCad, that use the 74HC273D by Nexperia (-40℃~+125℃ 1 12ns 15ns@4.5V,50pF 2V~6V 3.5pF 30MHz 3ns 74HC Series 8 8uA D-Type Reset Rising Edge SO-20-300mil Flip Flops ROHS). See how each wires it, with its parts, size, README and files; the 74HC273D’s symbol, footprint and pinout are on its own page.
- 2 layers178 × 711 mm
- 4 layers68.2 × 51.9 mm
Dmg gbc cartridge reader
ifilot/gameboy-cartridge-reader
Gameboy Cartridge Reader based on the Atmega 32u4
42 parts5 - 2 layers150 × 150 mm
- 2 layers219 × 88 mm
- 4 layers
- 2 layers136 × 52 mm
Driver
m24h/espcnc
A 3D printer/CNC controller using ESP32 with its DMA/FIFO bufferd I2S port
113 parts3 - 2 layers97.5 × 97.5 mm
Snes dumper
pakutoma/snes-dumper-rp2040
Experimental snes roms dumper for raspberry pi pico
9 parts3Apache-2.0 - 2 layers100 × 100 mm
1802-Mini SPI DMA
arhefner/1802-Mini-SPI-DMA
SPI Expansion Board for the 1802/Mini Computer
44 parts2MIT - 4 layers271.8 × 147.3 mm
- 2 layers200.5 × 67.7 mm
P2000t ram expansion board-2080kb
ifilot/p2000t-ram-expansion-board
RAM expansion board for the P2000T
32 parts1 - 4 layers100 × 100 mm
- 2 layers213.1 × 129 mm
- 2 layers85.7 × 54 mm
- 2 layers160 × 120 mm
- 2 layers117.5 × 99.7 mm
- 2 layers209 × 175 mm
Excalibur64
Cptscorcher/Excallibur-64
A reimagining of the seminal Excalibur 64 Computer
126 partsGPL-3.0 - 4 layers95.3 × 56.5 mm
- 2 layers80 × 100 mm
P2000t slot2-datacartridge
ifilot/p2000t-tape-monitor
P2000T cartridge software for reading out tapes and copying them to external rom chip
28 parts - 4 layers181.5 × 182.3 mm
Stencil
jerry-kerenzikov/ytterbium
Project files for Ytterbium modular CPU platform and Yprog programming tool
421 partsCERN-OHL-S-2.0 - 4 layers120.2 × 104.1 mm
- 2 layers200 × 150 mm
- 2 layers234 × 100 mm
V2b
KITTY-6502/hardware
the KITTY is a 65c02 homebrew kit microcomputer designed around text mode graphics and cartridge media. It is fully open source, and uses exclusively in-production parts.
147 parts - 2 layers295 × 195 mm
