4 layers94 × 50.8 mm
Boards using the PCA9306D
96 boardsBoards in 77 GitHub repositories, designed in KiCad, that use the PCA9306D by NXP Semiconductors (-40℃~+105℃ 1 1.8V~5.5V 1V~3.6V 2 2Mbps Automatic direction detection、Output enable high-impedance Bidirectional Level translator Open-drain SMBus、I2C SO-8 Translators, Level Shifters ROHS). See how each wires it, with its parts, size, README and files; the PCA9306D’s symbol, footprint and pinout are on its own page.
- 8 layers120 × 60 mm
DFTBoard
juliancoy/zynqPCB
An 8-layer board in Kicad built upon Xilinx Zynq Chip. Includes sound output, HDMI, DDR3, and Arduino Uno style header for screen connection
299 parts75MIT - 2 layers130 × 120 mm
- 4 layers198 × 161 mm
- 4 layers77.1 × 63.8 mm
- 4 layers115 × 78 mm
- 4 layers48 × 49 mm
ToF camera VGA
lnsru/melexis_VGA_ToF_camera
PCB design with the new MLX75027 VGA time of flight sensor
70 parts13 - 4 layers98.2 × 56 mm
RPI5-CFE Hat
oscimp/wr_acorn
White Rabbit time and frequency transfer on the Artix7 of the Acorn CLE125
55 parts12AGPL-3.0 - 6 layers157.8 × 95.2 mm
Covg daq v2
lucask07/open_covg_daq_pcb
DAQ (ADCs and DACs) PCB for the digital ion channel amplifier project.
600 parts9GPL-3.0 - 2 layers96 × 92 mm
EdisonPC104
spel-uchile/hwSUCHAI
PCB, antennas, 3D models, and other parts of the Cubesat SUCHAI.
24 parts6 - 6 layers50 × 75 mm
Sandflat
apfaudio/sandflat
Lower-cost DSP experimentation host for the SoldierCrab ECP5 SoM
113 parts4CERN-OHL-S-2.0 - 2 layers100 × 100 mm
Motherboard
Brickteam-RO/tilting-maze
STM32-powered real-time maze generator and solver built for the Robochallenge 2026 - Freestyle Showcase University competition
95 parts4MIT - 4 layers22 × 30 mm
Si468x
NightLaneOrg/nr-si468x-dev
Si468x-based DAB/FM receiver module (M.2 E-Key) with open hardware and Linux integration.
55 parts4GPL-3.0 - 2 layers48.3 × 123.8 mm
Altimeter v2
pimbongaerts/altimeter
Underwater sonar/USBL interface for photogrammetry surveys. PCB design files and Arduino code.
74 parts4 - 2 layers91.5 × 57.5 mm
- 2 layers40.6 × 78.5 mm
KiCAD v4
ARTS-Laboratory/SCUWLS
UAV Deployable Stage Height Sensor with Electro-permanent Magnet Docking Mechanism
48 parts3CC-BY-SA-4.0 - 2 layers46 × 54 mm
Mini power
hnz1102/mini-power
Mini-Power is a small, portable DC power supply unit designed to provide a convenient and reliable source of adjustable voltage for your electronic devices and breadboard experiments.
52 parts3 - 2 layers100 × 50 mm
Power Supply
adsehgal/Bench_Power_Supply
A design for a custom bench top power supply for prototyping.
106 parts2 - 2 layers60 × 40 mm
Pca9306-i2c level shifter
embedrapp/deepee
Open benchmark for evaluating AI agents on embedded firmware, code repair, schematics, and PCB engineering
10 parts2MIT - 4 layers77 × 48.6 mm
NX ISD
Ghost3379/NX-ISD
A more sophisticated version of the Artemis Watch by Circuitmess.
116 parts2GPL-3.0 - 4 layers56 × 71.5 mm
Battery powered
homelith/pico-disp-ident
Custom firmware to make some RP2040 board working as DVI display tester & identifier
64 parts2MIT - 4 layers128 × 55 mm
Cluster2HDMI
vkar9898/Cluster2HDMI
A project dedicated to utilising a 7 inch LCD panel as a standalone monitor via a HDMI-parallel RGB converter and a Pico 2 fitted on a custom PCB
96 parts2MIT - 4 layers66.5 × 57 mm
- 2 layers100 × 95 mm
