4 layers16.5 × 10.9 mm
Boards using the 74HC154D
18 boardsBoards in 13 GitHub repositories, designed in KiCad, that use the 74HC154D by Nexperia. See how each wires it, with its parts, size, README and files; the 74HC154D’s symbol, footprint and pinout are on its own page.
- 2 layers440.7 × 139.7 mm
Sentinel 65X Keyboard - V01
studio8502/Sentinel-65X
A cost-reduced 65816-compatible retrocomputer
217 parts29CERN-OHL-P-2.0 - 2 layers32 × 18 mm
- 6 layers210 × 119 mm
Claculator Keypad
Robert-Mones/Claculator
A reverse Polish notation calculator with added features such as comparisons, branching, and custom recursive operators taken from the Clac project from the 15-122 course at Carnegie Mellon University.
202 parts5 - 2 layers134.6 × 58.4 mm
- 2 layers144.8 × 204.5 mm
- 4 layers304.5 × 217.2 mm
Latest Full Backplane
Trilobyte-CPU/8-bit-computer
A DIY 8-bit computer built mostly with discrete logic chips
478 parts2 - 4 layers220 × 200 mm
Quadrant
etiennechlt/electronic-chess
Générée par tools/boardgen (module power). 100 x 60 mm, 2 couches, plan de masse en face arrière. Elle gère trois cellules plates 1S 5 Ah.
347 parts - 2 layers200 × 150 mm
- 4 layers100 × 142.5 mm
Keeb4x4
TheRealBluesun/keeb4x4
4x4 macropad: STM32G431, per-key RGB, ScreenKey display keycaps, encoder. KiCad + Rust/Embassy firmware, USB bootloader, host CLI, printable base.
127 partsCERN-OHL-P-2.0 - 2 layers
- 4 layers174 × 109 mm
Claculator Display
Robert-Mones/Claculator
A reverse Polish notation calculator with added features such as comparisons, branching, and custom recursive operators taken from the Clac project from the 15-122 course at Carnegie Mellon University.
170 parts5 - 4 layers83.3 × 43.2 mm
Control unit
Trilobyte-CPU/8-bit-computer
A DIY 8-bit computer built mostly with discrete logic chips
41 parts2 - 4 layers93.5 × 32.8 mm
CPU Instruction Decoder
Trilobyte-CPU/8-bit-computer
A DIY 8-bit computer built mostly with discrete logic chips
8 parts2 - 2 layers116.1 × 35.3 mm
CPU Instruction Decoder
Trilobyte-CPU/8-bit-computer
A DIY 8-bit computer built mostly with discrete logic chips
11 parts2 - 4 layers120 × 108 mm
Quadrant-2x2
etiennechlt/electronic-chess
Générée par tools/boardgen (module power). 100 x 60 mm, 2 couches, plan de masse en face arrière. Elle gère trois cellules plates 1S 5 Ah.
129 parts - 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 layers100 × 50 mm
