2 layers40 × 40 mm
PCB-401 front end channel board
LollobolUni/muon-time-dilation
A self-built experiment to measure the lifetime of cosmic-ray muons and to show, with data taken from cable cars in the Alps, that moving clocks run slow.
41 parts1
Open-source KiCad boards
159 match “SL-RU”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 layers136 × 160 mm
Clock
nikolafilip/nibble
A 4-bit computer built from individual transistors, in public. No integrated circuits. AI-designed, hand-soldered.
54 parts1CERN-OHL-P-2.0 - 2 layers100 × 100 mm
Clock
nikolafilip/nibble
A 4-bit computer built from individual transistors, in public. No integrated circuits. AI-designed, hand-soldered.
58 parts1CERN-OHL-P-2.0 - 2 layers120.8 × 46.1 mm
TATAMI1
AgustinPrietoValdez/competition-robots
Custom competition robots — maze/micromouse (MISA), sumo (TATAMI 1) & mini-sumo (RUCHO). KiCad PCBs, STM32/Arduino firmware, Fusion 360. National champion & international prizes — by EDNAROBOTICS.
45 partsMIT - 2 layers254 × 134.1 mm
S10 PIC SPI v1
CatspersCoffee/S100-Boards
S-100 bus boards designed and built: Z80 and 80386 CPU cards, SRAM/DRAM memory, CPLD/FPGA I/O and SPI boards, an 18-slot backplane and bus terminator.
163 parts - 2 layers24.5 × 73.5 mm
PtSolar Breakout
custom-ds/ptSolar
Under the hood, the ptSolar runs on the same Microchip ATMega328p microcontroller that the other trackers have been using for years, although this board runs at a lower 3.3 volt level, and a slower 8MHz clock speed.
18 partsGPL-3.0 - 4 layers100 × 100 mm
- 4 layers74 × 90 mm
Bay node
kartben/hw-testing-rack
3D-printed, tilted test shelf for 16 dev boards: sliding drawers, per-bay ESP32-S3 running Zephyr (USB/IP, power switching, metering), KiCad PCBs, OpenSCAD parts, BOM and an interactive 3D viewer
135 parts - 2 layers40 × 27 mm
Camera pod
kartben/hw-testing-rack
3D-printed, tilted test shelf for 16 dev boards: sliding drawers, per-bay ESP32-S3 running Zephyr (USB/IP, power switching, metering), KiCad PCBs, OpenSCAD parts, BOM and an interactive 3D viewer
25 parts - 2 layers40 × 17 mm
Data port
kartben/hw-testing-rack
3D-printed, tilted test shelf for 16 dev boards: sliding drawers, per-bay ESP32-S3 running Zephyr (USB/IP, power switching, metering), KiCad PCBs, OpenSCAD parts, BOM and an interactive 3D viewer
13 parts - 4 layers100 × 70 mm
Data port x6
kartben/hw-testing-rack
3D-printed, tilted test shelf for 16 dev boards: sliding drawers, per-bay ESP32-S3 running Zephyr (USB/IP, power switching, metering), KiCad PCBs, OpenSCAD parts, BOM and an interactive 3D viewer
187 parts - 2 layers137.3 × 88.5 mm
- 4 layers68 × 67.3 mm
- 2 layers125.5 × 84.5 mm
PhobGCC 2 0 0 proto 1
kje123/jesphob
A fork of the PhobGCC project, created for the JESNET Gamecube Controller
113 partsCERN-OHL-S-2.0 - 2 layers200 × 115 mm
Musicbrain busboard
MarkWestbroek/MusicBrain
A central brain running on teensy or a lighter MCU to process any control signals (MIDI, CV, our own) into the same but adding logic, ADSRs, DCOs, CV matrices etc. to it
32 partsMIT - 2 layers200 × 115 mm
Musicbrain busboard v2
MarkWestbroek/MusicBrain
A central brain running on teensy or a lighter MCU to process any control signals (MIDI, CV, our own) into the same but adding logic, ADSRs, DCOs, CV matrices etc. to it
94 partsMIT - 2 layers218.4 × 137.2 mm
Z80home RevC
mmosko/Zx50
This is the primary CPU board for the Zx50 8-slot passive backplane system. It hosts the Z80 microprocessor (running at 5 MHz to 10 MHz) and acts as the master controller for the primary bus.
42 parts - 4 layers210.8 × 137.2 mm
Zx50 Backplane RevD
mmosko/Zx50
This is the primary CPU board for the Zx50 8-slot passive backplane system. It hosts the Z80 microprocessor (running at 5 MHz to 10 MHz) and acts as the master controller for the primary bus.
75 parts - 4 layers222.1 × 158.1 mm
Zx50 Bus Probe RevA
mmosko/Zx50
This is the primary CPU board for the Zx50 8-slot passive backplane system. It hosts the Z80 microprocessor (running at 5 MHz to 10 MHz) and acts as the master controller for the primary bus.
72 parts - 4 layers145.9 × 147.3 mm
Zx50 Bus Probe RevB
mmosko/Zx50
This is the primary CPU board for the Zx50 8-slot passive backplane system. It hosts the Z80 microprocessor (running at 5 MHz to 10 MHz) and acts as the master controller for the primary bus.
80 parts - 2 layers50.2 × 69.8 mm
Zx50 Clock Mezzanine
mmosko/Zx50
This is the primary CPU board for the Zx50 8-slot passive backplane system. It hosts the Z80 microprocessor (running at 5 MHz to 10 MHz) and acts as the master controller for the primary bus.
22 parts - 4 layers50.2 × 69.8 mm
Zx50 Clock Mezzanine RevC
mmosko/Zx50
This is the primary CPU board for the Zx50 8-slot passive backplane system. It hosts the Z80 microprocessor (running at 5 MHz to 10 MHz) and acts as the master controller for the primary bus.
40 parts - 4 layers133.5 × 100.3 mm
Zx50 Cpu
mmosko/Zx50
This is the primary CPU board for the Zx50 8-slot passive backplane system. It hosts the Z80 microprocessor (running at 5 MHz to 10 MHz) and acts as the master controller for the primary bus.
26 parts - 4 layers133.5 × 100.3 mm
Zx50 Cpu RevB
mmosko/Zx50
This is the primary CPU board for the Zx50 8-slot passive backplane system. It hosts the Z80 microprocessor (running at 5 MHz to 10 MHz) and acts as the master controller for the primary bus.
38 parts