Building a 4-Bit Computer from the Ground Up - EEWeb
Nibbler 4 Bit CPU | Big Mess o' Wires
7400 competition entry: Fourbit, 4-bit homebrew CPU – Dangerous Prototypes
4-Bit Breadboard CPU - YouTube
7400 Series IC Nibbler 4-Bit CPU – PCB Version! « Adafruit Industries – Makers, hackers, artists, designers and engineers!
4-bit HRRG Steampunk Computer (Heath Robinson Rube Goldberg) - Hardware - Retro Computing
Nibbler 4 Bit CPU | Big Mess o' Wires
Building a 4-Bit Computer from the Ground Up - EEWeb
Nibbler 4 Bit CPU | Big Mess o' Wires
Homebrew 4-bit processor | Ubergizmo
TTL based 4-bit CPU | Hackaday.io
4 bit relay computer – AntiMath
programming - What could one do with a 4 BIT computer made out of discrete logic gates? - Electrical Engineering Stack Exchange
ICS4U CHUMP Project: A 4-bit TTL Processor
1MHz, 2 Boards, 4 Bits And A Homebrew CPU | Hackaday
B4 Tutorials 8-10: We are building a 4-bit computer. - YouTube
Nibbler 4 Bit CPU | Big Mess o' Wires
4 bit computer built from discrete transistors | Hackaday.io
4-Bit-Microprocessor - YouTube
Learn More About The Design Of PCs Using The 4-bit Microprocessor Computer (video) - Geeky Gadgets
Building a 4-Bit Computer from the Ground Up - EEWeb
Cambridge-1 is a 4-bit homebrew 7400-based CPU | Arduino Blog
The Simple 4-Bit Computer | GilDev
Intel 4004 CPU 4 bit Central Processing Unit CPU Computer Chip Integrated Circuit Mask, Abstract 5 Digital Art by Kathy Anselmo - Fine Art America
Viktor T. Toth - Viktor's amazing 4-bit processor
