2,120 open source PCB designs, indexed by the chip they’re built around
Real boards from 843 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.
Microchip SAMTiny4FSK
New-England-Weather-Balloon-Society
35.1 × 76.3 mm80 parts4LCERN-OHL-W-2.095- schematic only · 69 parts
Cohdl
conol-ai
69 partsMIT16 
ESP32MoleNet V7.1
ComNets-Bremen
106 × 66.8 mm70 parts4LGPL-3.013
Browse boards by part
AMS1117-3.3 84RP2040 81USBLC6-2SC6 67TL072 52TL074 43SRV05-4 40ESP32-S3-WROOM-1 36AP2112K-3.3 34W25Q128JVS 34W25Q128JVSIQ 34USBLC6-2P6 30CH340C 25LAN8710A-EZC(QFN32) 24XC6206P332MR 2474LS245 2374HC595 20XC6206PXXXMR 2074HC4051 1974LS244 19XC6206PxxxMR-Regulator_Linear 1974LS04 18AMS1117-5.0 18CH340T(SSOP20W) 18LM13700 18