2 layers36.7 × 32.2 mm
Open-source KiCad boards
165 match “L4-2”Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.
- 2 layers37.7 × 33.2 mm
- 2 layers88.9 × 70.1 mm
- 2 layers81.3 × 55.9 mm
- 4 layers17.8 × 35.6 mm
- 2 layers68.6 × 86.4 mm
- 2 layers90 × 92.5 mm
- 4 layers10.1 × 12.2 mm
T20-l431-som
azonenberg/misc-devboards
Miscellaneous prototype hardware that wasn't major enough to warrant a dedicated repo
54 parts17BSD-3-Clause - 2 layers199 × 123 mm
- 4 layers57 × 60 mm
T20-l431-carrier
azonenberg/misc-devboards
Miscellaneous prototype hardware that wasn't major enough to warrant a dedicated repo
60 parts17BSD-3-Clause - 2 layers120 × 110 mm
- 4 layers45.2 × 73.6 mm
- 2 layers181.7 × 171.5 mm
- 2 layers100 × 200 mm
- 4 layers53.3 × 73.7 mm
Tag breakout l432-1v8-v1
tag-designs/hardware
Hardware designs for tags and bases
54 parts2CERN-OHL-P-2.0 - 2 layers40.4 × 40.5 mm
RPi FFC 15P EYECLOUDAI 2MGSMOD AR0234-ADAPTER
l4es/RPi_FFC_15P-EYECLOUDAI_2MGSMOD_AR0234-ADAPTER
Adapter for EyecloudAI AR0234CS Global Shutter Camera Module to Raspberry Pi Camera 15-pin Interface
21 parts1 - 2 layers53.3 × 73.7 mm
- 4 layers53.3 × 73.7 mm
Tag breakout l432-u375-lipo v1
tag-designs/hardware
Hardware designs for tags and bases
55 parts2CERN-OHL-P-2.0 - 2 layers88 × 65.6 mm
- 6 layers120 × 46 mm
K2 v4.l4
dataxcash/hw_ic_k2
K2 Worker Data-Plane Card — worker-side converter in the IOCONVERT V2.0 cluster. Carries two M.2 lanes via MCIO through DS160PR810 ReDrivers, folding into a SlimSAS x8 PCIe Gen4 uplink (~16 GB/s).
42 partsAGPL-3.0 - 2 layers
- 2 layers99 × 74 mm
- 2 layers133.5 × 172.2 mm
Ic access control
5hnrjz2xxq-blip/ic-card-access-system
数字信号处理课设：IC卡门禁系统设计（ESP32 + MFRC522 + PN532 + HomeKit）
55 parts - 2 layers43.2 × 48.3 mm
