Boards using the 74HC02

133 boards

Boards in 94 GitHub repositories, designed in KiCad, that use the 74HC02 by onsemi (- Logic Gates ROHS). See how each wires it, with its parts, size, README and files; the 74HC02’s symbol, footprint and pinout are on its own page.

2 layers245.1 × 160 mm
8-Bit CPU 32k
slu4coder/Minimal-64x4-Home-Computer
My DIY TTL home computer with VGA and PS/2 and 4x the processing power of a Commodore C64 or Apple II.
139 parts326
2 layers191.8 × 121.3 mm
8-Bit CPU 32k
slu4coder/Minimal-UART-Computer-1-2
Legacy: Version 1 and 2 of my TTL-only CPU featuring UART I/O, an expansion port, 512KB SSD at up to 10MHz clock speed
109 parts184
2 layers203.2 × 149.9 mm
65C02 Computer
dbuchwald/6502
DB6502: 65C02 based computer inspired by BE6502
68 parts177MIT
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 layers86 × 54 mm
D50mram
dojoe/roland-mram-card
A multi-bank MRAM based memory card for Roland instruments
44 parts75
2 layers55 × 28 mm
RTL8720DN multi function board
mikey60/BW16-RTL8720DN-Module-Arduino
BW16 (RTL8720DN) Module - Getting Started with Arduino
27 parts61
2 layers22.9 × 11.4 mm
AutoEG2
Ausdauersportler/IMAC-EFI-BOOT-SCREEN
How to create an EFI boot screen vBIOS for Apple Late 2009 to Mid 2011 iMac systems using AMD MXM graphics cards
13 parts57GPL-3.0
2 layers177.8 × 130.8 mm
Durango
zuiko21/minimOS
Scalable OS for 6502/65816
159 parts23MIT
2 layers254 × 134.6 mm
New enet
jayacotton/inettools-z80
Inet tools for z80-rc2014 tcp/ip stack code.
36 parts22MIT
2 layers208 × 110 mm
8 16 computer 2
halfburnttoast/TCPU816-v1
Version 1.1 of my 8-bit, TTL computer.
120 parts21
2 layers335 × 218.6 mm
MSX Goauld
leomanes/stargate
Stargate MSX Compatible Computer
298 parts18GPL-3.0
2 layers335 × 250 mm
ACE Board
acwright/6502-ACE
6502-ACE 8-Bit Retro Computer Project
205 parts12CERN-OHL-P-2.0
2 layers208 × 175 mm
Alius 6502
robsonde/Alius6502_PCB
KiCad and Gerber files for the Alius 6502 Computer.
129 parts11
2 layers241.3 × 149.9 mm
AT 65C02 Computer Rev004
Kayto/AT65C02
AT65C02 Hobby Computer
167 parts7
4 layers160 × 121 mm
Polygonus Universal Base
FOME-Tech/Polygonus-Universal-112
FOME 112-pin Universal ECU
139 parts5
2 layers
ByteFrost
gilkeidar/ByteFrost
Software Tools for ByteFrost - A Breadboard 8-Bit Computer
36 parts5
6 layers210 × 119 mm
Claculator Keypad
Robert-Mones/Claculator
A reverse Polish notation calculator with added features such as comparisons, branching, and custom recursive operators taken from the Clac project from the 15-122 course at Carnegie Mellon University.
202 parts5
2 layers219 × 88 mm
Internal sdcard interface
ifilot/p2000t-sdcard
SD-card cartridge for the P2000T
79 parts3
2 layers100 × 75 mm
Z80-1MSRAM
kuninet/Z80_1MRAMB
[KZ80-1MSRAM] Z80マイコン用1Mbit(128kB)RAMボードを作る
36 parts3MIT
2 layers
Z80 ATMEGA
ozw1z5rd/home-computer-group
Home Computer Group files
37 parts3
2 layers284.9 × 96.5 mm
Fella
agkaminski/FellaPC
DIY 6502 all-in-keyboard personal computer
115 parts2CC0-1.0
2 layers100 × 100 mm
1802-Mini SPI DMA
arhefner/1802-Mini-SPI-DMA
SPI Expansion Board for the 1802/Mini Computer
44 parts2MIT
2 layers101.6 × 55.9 mm
Clock
ifilot/sap-smd
Modular 8-bit computer built with TTL logic units to create a "Simple as Possible" system
72 parts2CERN-OHL-S-2.0
4 layers20.3 × 22.9 mm
Vr module
mck1117/vr-interface

44 parts2