Boards using the 74HC138

274 boards

Boards in 151 GitHub repositories, designed in KiCad, that use the 74HC138 by GR (0℃~+70℃ 24ns@5.0V,16pF 2V~6V 3/8 5.2mA 5.2mA 5uA 74HC Decoder Reverse function Single Supply SOP-16 Signal Switches, Multiplexers, Decoders ROHS). See how each wires it, with its parts, size, README and files; the 74HC138’s symbol, footprint and pinout are on its own page.

2 layers181 × 97 mm
OpenDeck r3.1.2
shanteacontrols/OpenDeck
A platform for building interactive control and sensing devices using MIDI and OSC built with Zephyr RTOS.
262 parts960Apache-2.0
4 layers243.8 × 171.5 mm
Neotron Pico
Neotron-Compute/Neotron-Pico
A Neotron powered by the Raspberry Pi Pico
242 parts250
2 layers380 × 148.5 mm
Keyboard
InkboxSoftware/all-screen-keyboard
The first open source all-screen keyboard
500 parts241MIT
4 layers100 × 100 mm
2063-Z80
Z80-Retro/2063-Z80
Retro Z80 CPU Board
86 parts96
2 layers275 × 200 mm
Midi grid
zukaitis/midi-grid
DIY midi controller project
328 parts92
2 layers99.1 × 99.1 mm
Av board
rjw57/buri
This repository contains my work on designing, building and programming a 6502 microcomputer from scratch. The 6502 was the CPU used in the original Apple 1, BBC Microcomputer, NES console and many other systems from…
42 parts68MIT
2 layers216 × 150 mm
Motherboard-101
artemisamsx/artemisa
Schematics, PCB designs and HDL simulations to build a 8-bits MSX computer
124 parts67
2 layers144.8 × 88.9 mm
Potentiostat
iorodeo/potentiostat
Rodeostat design files, software and firmware
142 parts57CC-BY-4.0
2 layers233.7 × 172.2 mm
Overcycler3
gligli/overcycler
Affordable DIY polyphonic hybrid single cycle / analog synthesizer
335 parts45GPL-3.0
4 layers76.7 × 76.7 mm
OS816
c0pperdragon/OS816
An experimental single-board computer using the 65C816
40 parts28
2 layers208 × 110 mm
8 16 computer 2
halfburnttoast/TCPU816-v1
Version 1.1 of my 8-bit, TTL computer.
120 parts21
2 layers127 × 96.5 mm
SBC3.2
jacobtohahn/ZTO-80
A Z80 computer system
73 parts20
2 layers
BreadBin
c0pperdragon/BreadBin
A CPU made of 7400 logic on breadboards - inside a bread bin ;-)
45 parts18
2 layers335 × 218.6 mm
MSX Goauld
leomanes/stargate
Stargate MSX Compatible Computer
298 parts18GPL-3.0
2 layers254 × 160 mm
Deck65
and3rson/deck65
Simple SBC based on 65c02s
183 parts16GPL-3.0
2 layers55.5 × 33 mm
Code
evyd13/wasdat
Controller for WASD V2/CODE
29 parts16CC-BY-SA-4.0
4 layers100 × 77.5 mm
TRH9000
cristianoag/trh9000
Open Source MSX Graphics Card based on the Yamaha V9990 chip
67 parts14CERN-OHL-S-2.0
2 layers178 × 711 mm
MSAP-2 rev.A SMD
mehrantsi/MSAP-2
An 8-bit computer. Successor to MSAP-1
658 parts13MIT
2 layers335 × 250 mm
ACE Board
acwright/6502-ACE
6502-ACE 8-Bit Retro Computer Project
205 parts12CERN-OHL-P-2.0
2 layers100 × 100 mm
Caveboard
and3rson/caveboard
https://youtu.be/Klj2Q3trmW8
44 parts12MIT
2 layers83.8 × 48.3 mm
SeaGeelog
FozzTexx/SeaGeelog
CGA/RGBI to analog RGB conversion circuit
16 parts9
2 layers100 × 100 mm
HC MemoryBoard
nasu8151/HC4
Schematics and board of HC4 E (E means "for Education").
607 parts8
2 layers100 × 80 mm
Minimax8085ScreenKeypad
skiselev/minimax8085-keypad-vfd
VFD and keypad extension board for the minimax 8085
35 parts8GPL-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