6 layers36 × 124 mm
OpenDual Reader
nuerolynx/embedded-systems-lab
Arduino UNO R4 WiFi and ESP32 prototypes for access control, automation, displays, monitoring, and Bluetooth audio.
74 parts4
Boards using the SMBJ15A
82 boardsBoards in 64 GitHub repositories, designed in KiCad, that use the SMBJ15A by MDD (-65℃~+150℃ 15V 18.5V 1uA 24.4V 24.6A@10/1000us 600W@10/1000us TVS Unidirectional DO-214AA(SMB) ESD and Surge Protection (TVS/ESD) ROHS). See how each wires it, with its parts, size, README and files; the SMBJ15A’s symbol, footprint and pinout are on its own page.
- 8 layers217.5 × 187.5 mm
Board c openroute partial
ajisrawi/passive-radar-counter-drone
Passive radar for counter-drone using DVB-T, 4G and 5G: simulation, receiver hardware, FPGA micro-Doppler firmware, antennas, enclosure
314 parts3 - 2 layers170.6 × 121.1 mm
- 4 layers220 × 120 mm
Candidate filled profile
misko/prompt2device
The separate vNext PCB skill and orchestrator package is available alongside the reference workflow below; existing projects keep their accepted toolchain until an explicit migration.
569 parts3MIT - 4 layers100 × 100 mm
PCB Design
ConquerToFreedom/SwasthEdge
Low-cost self-diagnosing edge controller for industrial sensor reliability
89 parts2 - 4 layers150 × 112 mm
Board v3-83pct
dmz006/brain-drain
Standalone four-bay (plus M.2) NIST 800-88 disk sanitizer: Raspberry Pi CM5 carrier board, Python service, 3D-printed enclosure
302 parts2 - 6 layers268 × 230 mm
Rf board
PE1RGU/hf-antenna-switch
Remote HF antenna switch: 3 radios x 4 antennas (path to 8), outdoor relay unit with a hardware safety chain, controlled over Cat6 from a shack interface. KiCad 10, open hardware, designed together with an AI.
357 parts2CERN-OHL-S-2.0 - 4 layers100 × 100 mm
- 4 layers110 × 60 mm
ClearBell V0.2
akoerner-dev/ClearBell
Selbst entwickeltes ESP32-Klingelsystem fuer ein Zweifamilienhaus - KiCad-Hardware und Arduino-Firmware (WLAN/UDP, HMAC-gesichert).
88 parts1MIT - 2 layers90 × 137.5 mm
Pcb main board
ghemyn/picar
Car with autonomous and remote-controlled capabilities using the Raspberry Pi 5
76 parts1MIT - 2 layers57.1 × 58 mm
Schematics
KristjanPet/Window-Blinds-Controller
Small embeded project for controlling window blinds using ESP32 and stepper motor.
25 parts1MIT - 2 layers100 × 100 mm
GRBL black pill breakout
Sl-Alex/grblHAL_BlackPill_F4xx_breakout
grblHAL breakout for F411 (Black Pill)
216 parts1GPL-3.0 - 2 layers34.9 × 56.5 mm
Home Automation v1
aayu0-0/SEEED-RS485-Extension-Board-reverse-engineering-project
SEEED RS485 Extension Board reverse-engineering project
64 parts - 4 layers100 × 50 mm
Test
aidanbrzezinski/test
. ├─ 3D # STEP 3D model export ├─ Images # Pictures and renders │ ├─ kibotresources # External resources for KiBot │ ├─ colors # Color theme for KiCad │ ├─ fonts # Fonts used in the project │ ├─ scripts # External…
211 partsMIT - 4 layers125 × 78 mm
Tab5-fpga carrier
airpocket-soundman/tab5-tang-primer20k-carrier
M5Stack Tab5とTang Primer 20K Coreを接続する共通キャリア基板の設計
118 parts - 2 layers185 × 126 mm
TP Buck LT1959
alexismartin46/Cours_Electronique_de_Puissance_FISE2
L'objectif de cette maquette est de pouvoir réaliser des mesures autour d'un convertisseur Buck afin d'expliquer aux étudiants le fonctionnement et les caractéristiques d'un tel convertisseur.
56 parts - 4 layers74 × 52 mm
- 2 layers60 × 45 mm
- 2 layers39.4 × 17.3 mm
BTSE
atomspring/Moto-Turn-signals
Enhances old motorcycle visibility by running turn signals at low current until needed. LED & Incandescent compatible.
38 partsCERN-OHL-W-2.0 - 4 layers85.9 × 37.1 mm
MCL Accel
Aztro-dev/MCL-Accel
Monte-Carlo Localization Accelerator board for the Vex V5 system
45 parts - 4 layers195 × 159 mm
- 4 layers220 × 160 mm
Qds cv
cnpem-emi/qds-cv-hw
Quench detection system for a single superconducting coil working in the Vertical Cryostat.
403 parts - 4 layers100 × 90 mm
Wattsense main
D7790/BE_Project
Updated 28 September 2026. This is the current four-layer candidate. Revision A remains separately available in ../wattsense-main/ as the two-layer budget alternative.
50 parts - 4 layers100 × 72 mm
Rtl8367-switch
Deco025/rtl8367-switch
Five-port gigabit unmanaged Ethernet switch based on the Realtek RTL8367RB - 4-layer KiCad 10 design with fabrication outputs
229 partsCERN-OHL-S-2.0