4 layers101.6 × 76.2 mm
8051dumper
JohnDMcMaster/8051dumper
by NF6X. Forked from: https://gitlab.com/NF6X_Retrocomputing/8051dumper
41 parts27
Boards using the AT28C256-15PU
15 boardsBoards in 12 GitHub repositories, designed in KiCad, that use the AT28C256-15PU by Microchip Technology (-40℃~+85℃ 10 Years 100,000 cycles 10ms 256Kbit 4.5V~5.5V Hardware write protection function、Software write protection function、Built-in error correction code (ECC) function Parallel Port (Parallel) PDIP-28 EEPROM ROHS). See how each wires it, with its parts, size, README and files; the AT28C256-15PU’s symbol, footprint and pinout are on its own page.
- 2 layers99.9 × 64 mm
Msx eeprom
costarc/msxcart_flash32k
A MSX 32K EEPROM AT28C256 cartridge rewritable by software.
99 parts22MIT - 2 layers40.6 × 68.6 mm
Eeprom programmer
yoppeh/eeprom-programmer
An Arduino Nano sketch and schematic for an Atmel 28cx programmer.
7 parts10MIT - 4 layers100 × 100 mm
Rosco 6502
rosco-6502/rosco_6502
Design, documentation and software for the Really Old School Computer (6502)
62 parts8MIT - 2 layers99.5 × 70 mm
- 2 layers99 × 96.5 mm
6502-pactvm v01
napicella/8-bit-computer
Resources for an 8 bit computer based on the 6502 micro processor
15 parts - 4 layers160 × 100 mm
Rosco m68k
rosco-m68k/rosco_m68k
Design, documentation and software for the Really Old School Computer (M68K)
84 parts200 - 2 layers116.8 × 147.3 mm
- 4 layers167.7 × 111.2 mm
BB816-PCIE BANKZERO
Aronnax9000/BB816-MATX-PCIE
ATX form factor motherboard for Adrien Kohlbecker's BB816 CPU breakout board (rev. A27)
16 parts2 - 4 layers167.7 × 111.2 mm
BB816-PCIE BANKZERO
Aronnax9000/BB816-MATX-PCIE
ATX form factor motherboard for Adrien Kohlbecker's BB816 CPU breakout board (rev. A27)
23 parts2 - 4 layers39 × 66 mm
- 4 layers39 × 102.2 mm
- 4 layers84.3 × 110 mm
UBITz Basic Bank With Cartridge
dumaiss/uBITz
**μBITz** – *ZAP 80s dreams into silicon.* Open modular 8-bit system: dock Z80/6502, tile SID/POKEY, boot in '83. M.2 LVDS serial, I²C map, Parity-10, ZAP IRQs. Spec + KiCad + Verilog + ref impl. Build. ZAP.
6 parts - 2 layers115.7 × 62.5 mm
- 2 layers167.6 × 167.6 mm
