2,320 open source boards in Keyboards
Mechanical keyboard PCBs, split boards and macropads — QMK, ZMK, MX and Choc. Every board here is a public GitHub project with its KiCad files, read for size, layers and parts. Pick one close to your design and simulate its firmware on HardLabs before you build it.
Chocofly fz
vlkv
304 × 133.5 mm134 parts2LMIT75
AVR/ArduinoR3926lp
cyril279
238.7 × 94.9 mm120 parts2LMIT74
AVR/ArduinoRedone-3k v2
kzrtn
57.5 × 52.2 mm31 parts2LNo license72
STM32Bonsai C
customMK
17.8 × 51.6 mm37 parts4LCERN-OHL-P-2.071
RP2040/RP2350HandyWork 5x3 + Mods + Nav
AxelVoitier
283.2 × 131.5 mm48 parts4LNo license70
Jiran cherry
Ladniy
152.4 × 104.7 mm72 parts2LCC-BY-NC-4.067
Plate bottom
0xCB-dev
238.6 × 111.5 mm8 parts2LCustom license66
PNCATEHO MK DOSE
aroum
95 × 57 mm43 parts2LCERN-OHL-P-2.063
RP2040/RP23500xCB 1337
137 × 141 mm114 parts4LCustom license60
RP2040/RP2350Pcb
zzeneg
139.8 × 110.8 mm113 parts2LMIT59
RP2040/RP2350Grooveboard mx rp
ianklug
120 × 25 mm37 parts2LCC-BY-SA-4.058
ULK ulp
Goga64
275.5 × 105.6 mm93 parts2LMIT57
Le Capybara
sporkus
231.6 × 92.5 mm16 parts2LCERN-OHL-W-2.057
Nordic nRFPipar sool
RasmusKoit
142.4 × 110.5 mm121 parts2LNo license56
AVR/ArduinoBemini atmel au
199 × 65 mm43 parts2LCC-BY-SA-4.055
Little Big Scroll 6
TweetyDaBird
59.2 × 87 mm21 parts2LCC-BY-SA-4.055
Underplate
152.4 × 104.7 mm5 parts2LCERN-OHL-P-2.054
Nordic nRFDya right
cormoran
127.2 × 92.9 mm121 parts2LCC-BY-4.053
STM32Le Chiffre STM32
227.4 × 84.9 mm107 parts2LCERN-OHL-W-2.053
AVR/ArduinoRosaline
peej
285.4 × 94.9 mm137 parts2LMIT52
Le chiff ble hotswap
MangoIV
230 × 85 mm114 parts2LGPL-3.052
AVR/ArduinoKeyboard
danwerner21
282.7 × 108.3 mm57 parts2LNo license50
RP2040/RP2350Serendipity rp2040
dededecline
287.3 × 97.8 mm95 parts2LGPL-3.048
6502 Backplane Pro
acwright
100 × 100 mm27 parts2LCERN-OHL-P-2.047
ESP32Zerowriter Keyboard
zerowriter
271.2 × 93.4 mm136 parts2LGPL-3.046
Tiboard v2.1 multi
tinyboxxx
162.8 × 106.9 mm55 parts2LMIT45
Plate
290 × 99.6 mm52 parts2LCERN-OHL-P-2.045
Panel
Pakequis
118.6 × 145.9 mm6 parts2LMIT45
Jupiter-II keyboard
ricaflops
157.5 × 67.3 mm43 partsMIT43
RP2040/RP2350Lunakey Pico
yoichiro
140.5 × 100.6 mm110 parts2LCC-BY-NC-4.042
RP2040/RP2350Lemon
rianadon
31.9 × 36 mm49 parts2LNo license41
RP2040/RP2350Main
74 × 42 mm26 parts2LMIT41
TMS9918
michalin
100 × 100 mm20 parts2LGPL-3.041
Omega-Keyboard
merlinkv
333.4 × 124.5 mm96 parts2LGPL-3.040
Campus hub
flurples
30 × 122 mm61 parts2LGPL-3.036
USB-A-Daughterboard
nearestexit
96.1 × 29.3 mm52 parts2LMIT36
Browse boards by part
AMS1117-3.3 1196USBLC6-2SC6 983RP2040 699W25Q128JVS 421AP2112K-3.3 376TL072 339TL074 307ESP32-S3-WROOM-1 304CH340C 274L7805 271Pico 25174HC595 248USBLC6-2P6 248LM358 228AP2112K-3.3TRG1 205Arduino_Nano_v3.x 19774LS04 193LM7805_TO220 185ESP32-WROOM-32 18274LS245 171SRV05-4 169W25Q128JVSIQ 16974LS138 16274LS32 161