Cambridge-1 is a 4-bit homebrew 7400-based CPU | Arduino Blog
How to Build a 4-Bit Computer on Breadboards Using Individual Transistors - YouTube
4-bit CPU
DIY 4-bit CPU | Blog
Nibbler 4 Bit CPU | Big Mess o' Wires
4-Bit TTL Scratchbuilt Computer | TTL CPU
I made a 4 bit microprocessor : r/redstone
The Z-80 has a 4-bit ALU. Here's how it works.
MP-4 Simplest 4 Bit TTL CPU : 9 Steps - Instructables
Nibbler 4 Bit CPU | Big Mess o' Wires
Building a 4-Bit Computer from the Ground Up - EEWeb
7400 Series IC Nibbler 4-Bit CPU – PCB Version! « Adafruit Industries – Makers, hackers, artists, designers and engineers!
programming - What could one do with a 4 BIT computer made out of discrete logic gates? - Electrical Engineering Stack Exchange
Problem Statement: You are to design a 4-bit mini-CPU | Chegg.com
Fourbit, 4-bit homebrew CPU
GitHub - edson-acordi/4bit-microcomputer: MikroLeo project files (schematic, PCB, assembler, emulator/debugger, circuit simulation file, documentation, example of programs etc). MikroLeo is a 4-bit microcomputer developed mainly for educational ...
Minimalist 4-bit Processor Focused on Processors Theory Teaching | Semantic Scholar
computer architecture - How can I get 8 bits output from 4 bit CPU? - Computer Science Stack Exchange
RL4000: 4-Bit CPU trainer — Parallax Forums
Nibbler 4 Bit CPU | Big Mess o' Wires
B4 Tutorials 8-10: We are building a 4-bit computer. - YouTube
4 bit computer built from discrete transistors | Hackaday.io
Design and Simulation of a Pipelined 4 bit Computer
4-Bit Mini CPU - CircuitLab
MP-4 Simplest 4 Bit TTL CPU : 9 Steps - Instructables
