
Boards using the AT28C64B-15PU
25 boardsBoards in 19 GitHub repositories, designed in KiCad, that use the AT28C64B-15PU by Microchip Technology (-40℃~+85℃ 10 Years 100,000 cycles 10ms 4.5V~5.5V 64Kbit Hardware write protection function、Software write protection function、Built-in error correction code (ECC) function Parallel Port (Parallel) DIP-28-600mil EEPROM ROHS). See how each wires it, with its parts, size, README and files; the AT28C64B-15PU’s symbol, footprint and pinout are on its own page.
- 2 layers208 × 110 mm

- 2 layers40 × 57 mm

Ensoniq cartridge
JamesHagerman/Ensoniq-ESQ-1-EEPROM-Cartridge
This is an open source, DIY remake of the EEPROM program cartridge used by Ensoniq ESQ-1 and SQ-80 synths. Boards are on Tindie!
11 parts14MIT - 2 layers236.8 × 129.1 mm

CoCoTANG
lfantoniosi/CoCoTANG
CoCoTANG upgrades the Radio Shack/Tandy Color Computer with a Tang Nano 20K FPGA board and CoCo 3 video and memory features.
127 parts12 - 2 layers300 × 300 mm

SAP Extended
cyrillvalentini/SAP-Extended
Extended Simple-As-Possible Computer based on Ben Eaters video series
440 parts1 - 6 layers414 × 187.5 mm

- 2 layers75 × 57 mm

Drako cyberstorm
jpeterson1823/thegoldfish-cyberstorm
This development environment was designed to function under Linux.
6 parts - 4 layers218.4 × 114 mm

Video v2.0
ksr/YACC1-D
YACC1 (Yet Another Custom CPU) - definitive tree: hardware, firmware, software, tools and docs for the hand-built TTL computer. Supersedes ksr/YACC1-2020.
121 parts - 2 layers

6502-schematic
lolakkalol/6502-computer-project
A 6502-based computer project! Explore the docs » View Demo Programs · Report Bug · Request Feature
57 parts - 4 layers160 × 100 mm

Rosco m68k
rosco-m68k/rosco_m68k
Design, documentation and software for the Really Old School Computer (M68K)
70 parts200 - 4 layers160 × 100 mm

Rosco m68k
rosco-m68k/rosco_m68k
Design, documentation and software for the Really Old School Computer (M68K)
78 parts200 - 2 layers65.5 × 77 mm

- 2 layers197.8 × 80 mm

- 2 layers

- 2 layers66 × 9.3 mm

- 2 layers105 × 55 mm

8-Bit To BDC
Alex-Hermeling/Transistor-Calculator
A repo to store all of the KiCad files for this project
38 parts2 - 2 layers100 × 50 mm

8-Bit To BDC V2
Alex-Hermeling/Transistor-Calculator
A repo to store all of the KiCad files for this project
54 parts2 - 2 layers77 × 60 mm

EEPROM Programer
Alex-Hermeling/Transistor-Calculator
A repo to store all of the KiCad files for this project
10 parts2 - 2 layers56.5 × 61.3 mm

- 2 layers143 × 175 mm

VideoBoard
Cptscorcher/Excallibur-64
A reimagining of the seminal Excalibur 64 Computer
55 partsGPL-3.0 - 2 layers

VideoBoard
Cptscorcher/Excallibur-64
A reimagining of the seminal Excalibur 64 Computer
126 partsGPL-3.0 - 4 layers98.8 × 50.1 mm

- 2 layers

8KROM Lower Rev1
jayvalentine/modular-z80
Schematics and documentation for my modular Z80 machine, inspired by RC2014
4 partsGPL-3.0 - 2 layers50.8 × 104.1 mm

8KROM Lower Rev2
jayvalentine/modular-z80
Schematics and documentation for my modular Z80 machine, inspired by RC2014
4 partsGPL-3.0 - 2 layers200 × 300 mm
