780 open source PCB designs, indexed by the chip they’re built around
Real boards from 256 public GitHub repositories, read straight from their KiCad files: size, layers, the full parts list and a render of the PCB. Find one close to what you’re building, then simulate its firmware on HardLabs before you order anything.
ESP32
Badge
atopile
56.3 × 39 mm239 parts4LMIT4.0kESP32
Silkscreen pcb
iandchasse
60 × 111.3 mm171 parts2LCERN-OHL-S-2.0554ESP32
Plantpal
teapotlaboratories
38.4 × 128.5 mm109 parts4LMIT97ESP32
Sra dev board 2026
SRA-VJTI
90.2 × 90 mm145 parts2LMIT80ESP32
TRS-IO++
apuder
145.7 × 107.8 mm94 parts2LGPL-3.074ESP32
Ups to esp32
aronreid
36 × 58 mm38 parts2LGPL-3.052ESP32
AnthC
Anthilla
85 × 56 mm203 parts4LNo license39ESP32
Charge Controller
jharvey
139.7 × 88.9 mm157 parts2LNo license24ESP32
Paperflux
albanpetit
33.5 × 50 mm43 parts4LNo license10ESP32
Esp32-c3-iot sensor board
Ans1S
35.4 × 21.6 mm57 parts4LMIT6ESP32
Esp32-emu turbo
pjcau
160 × 75 mm102 parts4LNo license4ESP32
NextTRS
apuder
145.7 × 107.8 mm93 parts2LGPL-3.074ESP32
TRSIO
apuder
93.3 × 80.6 mm33 parts2LGPL-3.074