140 open source boards using the 74LS00
Real designs built with the 74LS00, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
Zx81-external ram
zxinfo-diy-electronics
59.8 × 42.7 mm15 parts2LNo license9
TIM-011B
Board-Folk
232.8 × 204.2 mm149 parts2LNo license8
Betadisk clone
alvaroalea
99.7 × 149.9 mm83 parts2LNo license7
ZaxCart
jsanpe
58.4 × 50.8 mm8 parts2LMIT7
Apollo 7 Squale
jfdelnero
450 × 160 mm219 parts2LNo license6
RC6802 UI
tebl
99.1 × 86.4 mm80 parts2LCERN-OHL-1.26
Next-FDC
OldWer
96.7 × 81.5 mm48 parts2LCC0-1.06
PICSbc6802
ryu10
98.3 × 75.6 mm29 parts2LNo license6
Aqua
nickbild
58.4 × 75.7 mm10 parts2LNo license6
Zenith zt1
misterblack1
221.5 × 149.5 mm140 parts2LNo license5
MetaphoricV2
204.5 × 138 mm140 parts2LCC0-1.05
Minimal-6502
techav-homebrew
101.6 × 76.2 mm30 parts2LNo license5
ESP32TI99 22
danwerner21
244 × 244 mm257 parts4LNo license4
Oric
206.2 × 138.1 mm127 parts2LNo license4
VIO MPF I
electrickery
156 × 100.1 mm63 parts2LNo license4
6502 board
ulmer-a
100 × 100 mm48 parts2LGPL-3.04
Cs3
na103
48 × 50 mm15 parts2LCC-BY-NC-4.04
LogicBoard 3GE
tullulah
104.4 × 141.1 mm163 parts4LGPL-3.03
Tom-1
tcr
127 × 127 mm83 parts4LNo license3
Cpuexperiment
fjalvingh
160 × 100 mm78 parts2LGPL-2.03
1551-RAMBOard
ytmytm
58.7 × 40.6 mm9 parts2LNo license3
BitStack-DigiTrainer
RetroStack
320 × 150 mm262 parts2LMIT2
ZX-Spectrum-48K-Issue-2
liveboxandy
213.1 × 130.1 mm191 parts2LCC0-1.02
6809PC
244 × 244 mm155 parts2LNo license2
Latest-Full-Backplane
Trilobyte-CPU
100 × 100 mm146 parts4LNo license2
JFF
herraa1
250 × 150 mm132 parts2LGPL-3.02
Z80-SOUND
dennis9819
160 × 100.3 mm104 parts2LNo license2
Chessmate 6530
inmbolmie
50 × 85 mm7 parts2LGPL-3.02
Huhhhh I didnt save
ethanjamesauto
229.9 × 93.3 mm365 parts2LNo license1
8bitCPU
BrainwashAlpha
246.4 × 185.4 mm277 parts4LNo license1
6809 Plus EPROM Version
roberto314
248.9 × 139.7 mm165 parts2LBSD-2-Clause1
6502PC
244 × 244 mm154 parts2LNo license1
Lomax ColorMagic Redux
RichCini
254 × 137.7 mm148 parts4LNo license1
EPROM Card
codesqueak
203.2 × 203.2 mm77 parts2LCERN-OHL-S-2.01
AVR/ArduinoAPL1
acwright
150 × 100 mm44 parts2LCERN-OHL-P-2.01
Hol-1 Memory Management Unit
agben
106.7 × 76.2 mm37 parts2LNo license1
Browse boards by part
AMS1117-3.3 899USBLC6-2SC6 763RP2040 566W25Q128JVS 345AP2112K-3.3 273TL072 269TL074 250ESP32-S3-WROOM-1 229CH340C 221L7805 208Pico 19274HC595 185USBLC6-2P6 174LM358 16874LS04 160SRV05-4 158AP2112K-3.3TRG1 154ESP32-WROOM-32 15374LS245 14474LS138 138W25Q128JVSIQ 135Arduino_Nano_v3.x 13474LS00 133TP4056 130