4 layers56.1 × 57.1 mm
MCL86jr
MicroCoreLabs/Projects
Ted Fried's MicroCore Labs Projects - FPGA CPU cores and emulators for the 8088, 8086, 8051, 6502, 68000, Z80, Risc-V, and also Typewriter and EPROM Emulator projects.
66 parts534
Boards using the SN74LVC245APW
36 boardsBoards in 33 GitHub repositories, designed in KiCad, that use the SN74LVC245APW by Texas Instruments (-40℃~+125℃ 1 1.65V~3.6V 24mA 24mA 3.8ns@3.3V,50pF 30uA 74LVC 8 Bidirectional Tri-State TSSOP-20 Buffers, Drivers, Receivers, Transceivers ROHS). See how each wires it, with its parts, size, README and files; the SN74LVC245APW’s symbol, footprint and pinout are on its own page.
- 2 layers70 × 73.1 mm
Neopico hd
fliperama86/neopico-hd
Digital video and audio capture with HDMI output for Neo Geo MVS arcade hardware using Raspberry Pi Pico 2
37 parts90Unlicense - 2 layers48 × 53.3 mm
ESP32 LogicAnalyzer
lmcapacho/ESP32_LogicAnalyzer
Low-cost logic analyzer using ESP32 for fast digital signal debugging
12 parts28GPL-3.0 - 4 layers98.5 × 82 mm
Pico2lvds
ceteras/PicoLVDS
Tested with B089AW01-V.0 and HSD089IFW1-A00-V1.0 on a breadboard. I'm sure it will work with other displays from old netbooks.
43 parts7GPL-3.0 - 4 layers219 × 108.5 mm
Z80DevBoard
gianluca-rainis/Z80DevBoard
An advanced development board for the Z80 microprocessor, powered by an RP2040.
182 parts7CERN-OHL-S-2.0 - 4 layers358 × 40 mm
Longboi
KungfuPancake/longboi
Possibly the longest controller board to control the BoxTurtle AFC
297 parts7Apache-2.0 - 2 layers75 × 100 mm
- 4 layers55.2 × 24.4 mm
Logic analyzer
BlackPancakes/RP2040-Logic-Analyzer
An open-source, high-speed, multi-channel logic analyzer based on the popular Raspberry Pi RP2040 microcontroller. The board was designed in KiCad with a strong focus on signal integrity and miniaturization.
54 parts3 - 4 layers86 × 79.5 mm
RP2040QuadMotorController
DrJonEA/RP2040QuadMotorController
RP2040Zero and AT8236 Based Quad Motor Controller
35 parts3MIT - 2 layers137 × 101.1 mm
Z80 board1
alexfreed58/z80-CPM-board-with-smart-i-o
This is yet another retro computer running CPM on an actual Z80 CPU with a twist. Instead of using a traditional UART for communications, it uses a RPi pico module that is no bigger and no more expensive than a UART.
48 parts2MIT - 2 layers
- 4 layers100 × 70.5 mm
Smart Irrigation SystemV2
Benedikt3141/Smart-Irrigation-System
A smart irrigation system for irrigation of up to 6 plants. It monitors the moisture, temperature, CO2 concentration, air quality ... and displays the data on a 2.4" TFT Display using an ESP32 DevKit C as processor.
147 parts1MIT - 4 layers150 × 105 mm
- 2 layers99.9 × 127.5 mm
Msxdoc proto
tarinaroope/msx-pulse
A diagnostic cartridge for MSX computers. Very much a work in progress. This is at proof-of-concept stage. It boots, it reads the bus, it tells you things, but it's a long way from a finished product.
71 parts1MIT - 2 layers80 × 55 mm
RPI Pico Oscilloscope
Alexou1209/RPI-Pico-oscilloscope-and-logic-analyzer
A pocket sized Oscilloscope and logic Analyzer made using a Raspberry Pi Pico 2 (RP2350) and sigrok-pico firmware
42 parts - 2 layers79.3 × 59.8 mm
Controller
Anderman/Renovent
Display is een liteon De 8 segementen worden in volgorde aan gestuurd met een freq van 500uS Welke segmenten verlicht worden gaat met digit 1 - 4
74 parts - 2 layers100 × 50 mm
- 2 layers141 × 150 mm
Midiori
fabPlane/x68000-midi
X68000 MIDI and 8 MB RAM expansion card: Gowin GW1NR-9, YM3802-compatible gateware in Amaranth, and a universal I/O slot breakout. CC0.
92 partsCC0-1.0 - 2 layers160 × 100 mm
Csa petio v1
fachat/csa_cbmio
IO Board for CS/A bus, to implement Commodore B-Series I/O
99 partsGPL-3.0 - 2 layers131.7 × 80 mm
- 2 layers110 × 67 mm
- 6 layers99.7 × 63.9 mm
Nescart
Keitark/fc-rom-vomitter
Wi-Fi NROM development cartridge for Famicom: ESP32-S3, SRAM, KiCad, firmware, fabrication evidence, and an experimental NES variant.
84 partsMIT - 2 layers103 × 88.9 mm
- 4 layers152.4 × 76.2 mm
Motherboard
mikegoelzer/Homebrew-ECP5-SBC
Kicad files for homebrew hobbyist computer with custom RISC-V CPU
160 parts