2,093 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.
Nordic nRFBancouver40 cfx
ChrisChrisLoLo
170 × 68 mm77 parts2LGPL-3.040
STM32Sharkropad
mawaeg
83.8 × 87.6 mm101 parts2LGPL-3.039
Paw3395
badjeff
15.5 × 28 mm18 parts2LCERN-OHL-P-2.038
AVR/ArduinoCampus keyboard
flurples
307 × 85 mm242 parts2LGPL-3.036
STM32Mx unsaver main
nearestexit
391.8 × 105.4 mm229 parts2LMIT36
Nordic nRFHotswap ble
ebastler
271.8 × 103.9 mm134 parts2LCC-BY-NC-4.036
Peridot steno
nekoewen
190.5 × 108 mm59 parts2LMIT36
Nordic nRFPcb
zzeneg
129 × 93.3 mm51 parts2LMIT36
AVR/ArduinoRailroad keyboard
nopunin10did
462 × 116.9 mm219 parts2LCC-BY-SA-4.035
Southpaw
kelvinhall05
362.9 × 103.6 mm160 parts2LGPL-3.035
STM32Stm32pe midi
udu3324
307 × 46.1 mm135 parts4LGPL-3.035
AVR/ArduinoKeycool84keyboard
overlordpro-sys
337.4 × 120.5 mm169 parts2LMIT34
RP2040/RP2350Haori36
penk
204.3 × 68 mm75 parts2LMIT34
Fract
skarrmann
180 × 75 mm72 parts2LMIT34
STM32Honeydew unified split ergonomic keyboard
ghostlybutterfly
331.8 × 166.1 mm278 parts2LCERN-OHL-S-2.033
STM32OpenErgo
ojthetiny
337.5 × 123.1 mm95 parts2LGPL-3.033
RP2040/RP2350X1CarbonGen10
cscott
86.4 × 50.8 mm42 parts2LNo license33
AVR/ArduinoEnclave
keyquesttech
250 × 95 mm296 parts2LNo license32
NXPSnackymini keyboard
huytd
257.8 × 94 mm91 parts2LNo license32
Nordic nRFBorne keyboard
gibbz00
109.6 × 73.9 mm74 parts2LMPL-2.032
PLA NCK
shanna
118.7 × 103.8 mm54 parts2LNo license32
RP2040/RP2350Mini kbd
axhixh
126.3 × 89.3 mm20 parts2LCustom license31
Vecdec
svenscore
9.5 × 12.9 mm2 parts2LCC-BY-NC-4.031
Pteron56v04-NN-palm-E
Kraken-Jokes
301.7 × 154 mm123 parts2LGPL-3.030
Mintboard
89.4 × 54.8 mm84 parts2LGPL-3.030
Bubby
mikeysklar
79.9 × 46.4 mm9 parts2LNo license30
RP2040/RP2350Slime88
zykrah
344.7 × 123.6 mm225 parts2LCERN-OHL-S-2.029
RP2040/RP2350Noraneko52r
darakuneko
228.8 × 98.1 mm173 parts2LCustom license29
Nordic nRFCarpo left
heyitscassio
126.3 × 92.7 mm64 parts2LCERN-OHL-S-2.029
RP2040/RP2350Amiga600KeyboardUSBAdapter
thinghacker
57.7 × 56.4 mm6 parts2LGPL-3.029
KlackerBS
weteor
266.5 × 99 mm149 parts2LCERN-OHL-P-2.028
Nice60
Nicell
285 × 94.6 mm140 parts2LMIT28
Lancer hotswap
subrezon
209.6 × 76.2 mm88 parts2LMIT28
Single choc
ibnuda
97 × 117 mm240 parts2LGPL-3.027
RP2040/RP2350Katia
ikajdan
277.2 × 107.5 mm192 parts4LCERN-OHL-P-2.027
AVR/ArduinoC128SX MX Keyboard
sjgray
404.4 × 137.6 mm136 parts2LNo license27
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