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
Patternflow
engmung
62 × 116.3 mm9 parts2LCustom license338ESP32
TRS-IO++
apuder
145.7 × 107.8 mm94 parts2LGPL-3.074ESP32
AiO-i2s-DAC
martinroger
58.8 × 55.8 mm86 parts2LMIT22ESP32
ChrisBox
TUDA-MUST
78 × 46.3 mm177 parts4LCC-BY-4.06ESP32
NextTRS
apuder
145.7 × 107.8 mm93 parts2LGPL-3.074ESP32
32bit
bread-modular
30.5 × 68.6 mm62 parts4LMIT65ESP32
TRSIO
apuder
93.3 × 80.6 mm33 parts2LGPL-3.074