142 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.
- schematic only · 22 parts
Orange-Micro-Grappler+-Rev-C
markadev
22 parts2LNo license23 
Ttl to composite video generator
abzman
59.7 × 37.5 mm29 parts2LUnlicense19
ASCII keyboard 3
ibm2030
297 × 145 mm77 parts2LNo license13
Qx10 sound card
brijohn
281 × 79 mm32 parts2LNo license9
RC201-68000 CPU 2
MarkD833
101.6 × 53.3 mm37 parts4LCC-BY-NC-4.08
AddressRegisterModule
crempp
100 × 80 mm61 parts2LNo license4
Core 2
draklowell
100.1 × 99.5 mm23 parts2LGPL-3.03
Processor attempt 4
ethanjamesauto
229.9 × 83.8 mm291 parts2LNo license1
Octal display
140 × 100 mm69 parts2LNo license13
QX-10/16 WD1002 Host Interface
281 × 79 mm26 parts2LNo license9
Core 1
100 × 99.5 mm21 parts2LGPL-3.03
Processor attempt 2
229.9 × 93.3 mm272 parts2LNo license1
Tanner 64k SRAM
roberto314
242.1 × 148.6 mm100 parts2LBSD-2-Clause1- schematic only · 13 parts
Prometheus-PRT-1
13 parts2LNo license23 
Educ 8 timing
220 × 159.9 mm45 parts4LNo license13
QX-10 1MB Memory Expansion Board
281 × 79 mm22 parts2LNo license9
Hx f101 cart
popolonx
100 × 85.1 mm24 parts2LNo license7
Interface
100 × 99.4 mm17 parts2LGPL-3.03
Qx 10 cf adapter
281 × 79 mm20 parts2LNo license9
68000 CPU Board
101.6 × 53.3 mm32 parts4LCC-BY-NC-4.08
TimerModule
90.7 × 58.6 mm17 parts2LNo license4
GIMIX Ghost 6800
228.6 × 142.2 mm74 parts2LBSD-2-Clause1
Leaky bucket
tpcarlson
20 × 128.5 mm110 parts2LNo license106
256 word memory
220 × 160 mm36 parts2LNo license13
RP2040/RP2350Qx10 keyboard adapter
88.5 × 34 mm18 parts2LNo license9
SAP-Plus RAM and MAR
TomNisbet
102 × 96 mm35 parts2LMIT10
8 bit logic analyzer
104.1 × 25.4 mm60 parts2LNo license1
RC6502 RAM
tebl
99.1 × 54.6 mm23 parts2LGPL-3.0192
Program counter and adder logic
220 × 160 mm29 parts2LNo license13
ACEDIAGBOARD
flypie
114.3 × 95.9 mm44 parts2LGPL-3.013
PC and ADDER 74LS74 MOD
220 × 160 mm28 parts2LNo license13
AVR/ArduinoSAP-Plus Loader / Debugger
102 × 96 mm18 parts2LMIT10
93c46a type
132.1 × 83.8 mm39 parts2LNo license1
Educ 8 decoder
220 × 160 mm26 parts2LNo license13
Browse boards by part
AMS1117-3.3 1014USBLC6-2SC6 819RP2040 607W25Q128JVS 382TL072 308AP2112K-3.3 300TL074 274ESP32-S3-WROOM-1 258CH340C 241L7805 223Pico 21874HC595 210USBLC6-2P6 199LM358 18674LS04 173AP2112K-3.3TRG1 172ESP32-WROOM-32 165SRV05-4 163Arduino_Nano_v3.x 15674LS245 155LM7805_TO220 15274LS138 151W25Q128JVSIQ 15074LS32 146