2 layers45.7 × 31.8 mm
LEDx16 board
tardate/LittleArduinoProjects
a collection of "Little Electronic & Arduino Projects", most involving electronics or an Arduino in one way or another!
36 parts803MIT
Boards using the 74HC595
1,031 boardsBoards in 784 GitHub repositories, designed in KiCad, that use the 74HC595 by GR (-40℃~+85℃ 1 100ns@5V,50pF 10MHz 2V~6V 74HC 8 Serial-to-Serial or Parallel Tri-State SOP-16 Shift Registers ROHS). See how each wires it, with its parts, size, README and files; the 74HC595’s symbol, footprint and pinout are on its own page.
- 2 layers228.6 × 100 mm
Mongus48
ChrisChrisLoLo/beyblock20
The magnetic, modular, 20-key macropad that can join together to form an ortholinear board
124 parts335GPL-3.0 - 2 layers245.1 × 160 mm
8-Bit CPU 32k
slu4coder/Minimal-64x4-Home-Computer
My DIY TTL home computer with VGA and PS/2 and 4x the processing power of a Commodore C64 or Apple II.
139 parts326 - 2 layers100 × 95.1 mm
Protoboard-6x4-breakout
electroniceel/protoboard
Advanced protoboard layout with 1.27mm pitch for smd parts
4,745 parts311CC-BY-4.0 - 4 layers140 × 100 mm
Dc usv
TobleMiner/DC-UPS
A small DC UPS, designed to keep small appliances like consumer network equipment running during power outages
351 parts223CERN-OHL-P-2.0 - 2 layers100.5 × 218.3 mm
- 2 layers287.8 × 126.7 mm
- 2 layers100 × 100 mm
- 2 layers99.1 × 88.9 mm
1002 EPROM EMU NG 2.2d
Kris-Sekula/EPROM-EMU-NG
EPROM Emulator Project with Arduino
49 parts161Apache-2.0 - 2 layers138 × 96.9 mm
- 2 layers155 × 80 mm
- 2 layers171.5 × 106.7 mm
Sequencer
westlicht/performer-hardware
PER|FORMER Eurorack Sequencer - Hardware Design Files
435 parts110 - 2 layers169.3 × 128 mm
PSU PCB
ThomasVDD/SmartSupply
SmartSupply is a digital battery powered lab powersupply. It is Arduino compatible and can be controlled via PC over USB.
134 parts96 - 2 layers306.1 × 130.2 mm
8-Bit CPU 32k
slu4coder/Minimal-64-Home-Computer
Legacy: Full TTL-only home computer with VGA and PS/2 and twice the processing power of a Commodore 64
132 parts94 - 2 layers100 × 86 mm
Pcb pro
dcpedit/pillzmod
Replacement PCBs for the Kinesis Advantage/Contour keyboards
48 parts90CC-BY-4.0 - 2 layers90.2 × 90 mm
Sra dev board 2026
SRA-VJTI/sra-board-hardware-design
ESP32-based Development Board for Robotics and Embedded Applications
219 parts81MIT - 2 layers99.9 × 65 mm
Pro micro test fixture
joshajohnson/sea-micro
Arduino Pro Micro, with a USB Type-C Connector
39 parts77 - 2 layers149.9 × 99.5 mm
- 2 layers100 × 100 mm
V2.2 Mechanical Seven Segment Controller
OverInvented/Flippy
The code needed to build a mechanical 7-segment display that uses electromagnets to display characters
53 parts65 - 2 layers35 × 35 mm
- 2 layers65.3 × 99.4 mm
Screen
benanderman/spork-8
An 8-bit CPU, made with TTL chips on custom, modular PCBs. Includes board designs, and Arduino code to program its instruction set and programs.
460 parts61MIT - 2 layers88.9 × 55.9 mm
- 2 layers55 × 100 mm
- 2 layers59.2 × 51.3 mm
