57 open source boards using the 74HC02
Real designs built with the 74HC02, 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.
004.601.00
stonedDiscord
147.3 × 94 mm79 parts2LBSD-2-Clause4
MinimalZ80
89Mods
132.6 × 60.5 mm34 parts2LMIT3
Z80-VDP
dennis9819
160 × 100.3 mm77 parts2LNo license2
Alu advanced
ifilot
101.6 × 55.9 mm51 parts2LCERN-OHL-S-2.02
XDuinoRail-Breakout-RailcomDetect
chatelao
49.5 × 49.5 mm47 parts2LAGPL-3.00
Ramrom
101.6 × 55.9 mm48 parts2LCERN-OHL-S-2.02
P2000t ram expansion board-128kb smd
110 × 45.5 mm23 parts2LNo license1
Control
209.6 × 108.5 mm81 parts4LMIT2
Z80
160 × 100.3 mm64 parts2LNo license2
Alu
101.6 × 55.9 mm42 parts2LCERN-OHL-S-2.02
Control unit
Trilobyte-CPU
83.3 × 43.2 mm41 parts4LNo license2
MyCPU VGA
Synthron
83.3 × 68.2 mm19 parts4LNo license2
Z80-IDE
160 × 100.3 mm62 parts2LNo license2
Ps2
scefrom
137.2 × 53.3 mm58 parts2LCustom license2
Memory
209.6 × 108.5 mm58 parts4LMIT2
Flags
Velko
62.2 × 21.6 mm42 parts4LMIT16
Z80-SID
160 × 100.3 mm62 parts2LNo license2
LPT
83.3 × 68.2 mm18 parts4LNo license2
Floppy
188 × 66 mm33 parts2LCustom license2
Z80-MIDI
160 × 100.3 mm32 parts2LNo license2
Lcd2x16
96.5 × 50.8 mm14 parts2LCustom license2
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