4 layers120 × 98 mm
Boards using the 74HC688D
60 boardsBoards in 33 GitHub repositories, designed in KiCad, that use the 74HC688D by Nexperia (-40℃~+125℃ 0.1V 0.5V、1.35V、1.8V 1.2V、2.4V、3.2V 1.9V、4.4V、5.9V 160uA 16ns@6.0V,50pF 2V~5V SOIC-20-300mil Digital Comparators ROHS). See how each wires it, with its parts, size, README and files; the 74HC688D’s symbol, footprint and pinout are on its own page.
- 2 layers177.8 × 130.8 mm
- 2 layers208 × 110 mm
- 2 layers130 × 67.5 mm
AmigaSID
call286/AmigaSID
Board Render Front | Board Render Back :-------------------------:|:-------------------------: |
49 parts14 - 2 layers108 × 69.9 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 layers219 × 88 mm
- 2 layers229.9 × 93.3 mm
- 4 layers271.8 × 147.3 mm
- 2 layers200.5 × 67.7 mm
P2000t ram expansion board-2080kb
ifilot/p2000t-ram-expansion-board
RAM expansion board for the P2000T
32 parts1 - 4 layers188 × 128.3 mm
- 2 layers102.3 × 49.9 mm
Kempston joystick
blowback/microbeast_kempston_joystick
This is the PCB for my tutorial Build your own joystick interface.
12 parts - 2 layers
Diode matrix rom
charlespax/macroprocessor
A project to create a microprocessor optimized for human visual verification
31 partsMIT - 4 layers177 × 91.8 mm
Orrery circuit
Drummersbrother/vanity-electronics
My various small-to-medium electronics (read: EDA) projects. Free for personal use only unless otherwise specified
170 parts - 4 layers160 × 70 mm
- 2 layers50 × 37 mm
Anzeige Simon
makerspace-wi/SimonProject
ESP32-basierte Steuerung fuer Fallblattanzeigen (MAN/Krone/Vossloh) mit: - WiFi Access Point - Weboberflaeche/HTTP-API - Serieller Ausgabe im Krone-Protokoll - I2C-Transfer von Byte-Werten an 3 Slave-Adressen (ADTrans)
25 parts - 2 layers100 × 100 mm
- 2 layers182 × 138.8 mm
-816-board
snippyrow/-816-board
A retro computer motherboard for the W65C816S CPU. Dual-core expandable, 16mb extended memory, four expansion ports.
141 partsMIT - 2 layers91.2 × 42.2 mm
Chal base
DownUnderCTF/Challenges_2024_Public
Files + Solutions for DownUnderCTF 2024 Challenges
47 parts116 - 2 layers40.6 × 21.6 mm
- 2 layers177.8 × 130.8 mm
- 2 layers
- 2 layers99.1 × 57.2 mm
- 2 layers99.1 × 57.2 mm
