2 layers82 × 134 mm
Pcb badge
john0312/hitcon-pcb-badge
execute fw/merge.py to merge STM32CubeIDE generated main.c with user code in main.cc into main.cc.
258 parts47BSD-3-Clause
Boards using the 74HC238D
69 boardsBoards in 50 GitHub repositories, designed in KiCad, that use the 74HC238D by MDD (SOP-16 Signal Switches, Multiplexers, Decoders ROHS). See how each wires it, with its parts, size, README and files; the 74HC238D’s symbol, footprint and pinout are on its own page.
- 2 layers182.6 × 130.9 mm
Blackmacro base
KipJM/blackmacro-hardware
An open source, smaller, more configurable, and more capabable video editing keyboard based on the raspberry Pi Pico 2W.
189 parts29CERN-OHL-W-2.0 - 4 layers102 × 102 mm
- 4 layers189.4 × 59.1 mm
- 2 layers235 × 176.5 mm
Cpu
Edgeworth/memepu
cmake -DUSEAFL=yes -DCMAKEBUILDTYPE=Release $PFX/verymeme AFLSKIPCPUFREQ=yes AFLPRELOAD=/usr/local/lib/afl/libdislocator.so \ afl-fuzz -m 1024M -i $PFX/verymeme/testdata/memelang/parsing -o memelangfuzz \ -x…
286 parts9GPL-3.0 - 2 layers166 × 70 mm
Prototype
SteveCooling/MidiKeys
Will be a complete board with decoders for multiplexed sampling of analog sources and up to 61-key keybeds
75 parts8MIT - 4 layers238.8 × 236.2 mm
- 2 layers
Display and comms
LeHack/SPSP
Particulate matter pollution monitoring system (:poland: System Pomiaru Stężenia Pyłu w powietrzu)
27 parts3 - 4 layers360 × 200 mm
Rgb switcher
michaelobed/rgb-switcher
An open-source switcher for analogue RGBS video, so you don't have to.
133 parts3MIT - 2 layers180.9 × 55.5 mm
Servicetastatur
stonedDiscord/servicetastatur
Klon der blauen Servicetastatur für Merkur Profitech 3000 Geräte
76 parts3CC-BY-SA-4.0 - 2 layers64 × 57.5 mm
- 2 layers106.7 × 101.2 mm
Panel2
ManiacalLabs/Super7Seg
The Super 7 Seg kit takes using a 7 Segment display to the extreme! It started as an exercise in "how many 7 segment displays can I drive with a single ATMega328p" and we are quite proud of the result.
128 parts2MIT - 2 layers156.2 × 97.8 mm
- 2 layers78.7 × 92.7 mm
- 2 layers299.7 × 198.1 mm
Cisc-8
nailed-barnacle/Cisc-8-ttl-processor
A cut-down version of the 8080 processor using HCTTL and including a discrete ALU and instruction decoder
319 parts1MIT - 2 layers109.2 × 63.5 mm
Ofen
Ulf-vom-Mond/ofen_v2
I am building a high temperature oven which I want to go up to 1300 °C. It will be used for melting glass and metals and doing pottery.
59 parts1 - 2 layers
Diode matrix rom
charlespax/macroprocessor
A project to create a microprocessor optimized for human visual verification
31 partsMIT - 2 layers90 × 94 mm
Braille Evaluation Board
DeflateAwning/Framework-Braille-Display
A braille display for the Framework 13 laptop's touchpad, hopefully
98 partsCERN-OHL-S-2.0 - 6 layers150 × 60 mm
Logic macropad
Greentalinjo/74HController
A game controller built entirely from discrete 74HC logic - no microcontroller, a diode ROM and an 8-N-1 serial frame out of an RJ45 console port.
170 parts - 2 layers99.1 × 70.1 mm
- 2 layers42.4 × 60.4 mm
- 2 layers388 × 247 mm
MIKey
MIKeyTAMU/MotorImpairmentKeyboard
Those with tremors or motor function impairments (such as Parkinson’s) experience trouble when interacting with traditional computer peripherals (namely a keyboard).
88 parts - 2 layers
- 2 layers295 × 195 mm
