EDN

Building a 4-Bit Computer: Mitigating Metastability (Part 4)

How would we handle metastability in our 4-bit computer if we were to implement it as a microcontroller chip, a single-board computer, or a cabinet-based system? Now, after laying all of this ...
EDN

Building a 4-Bit Demonstration Computer

The main goals for this educational computer for kids are to keep it simple and keep it entertaining (also, it has to look Steampunk) As I mentioned in my “High-Tech, Low-Tech, No-Tech” column, I ...
Hackaday

4-bit Single Board Computer Based On The Intel 4004 Microprocessor

[Scott Baker] is at it again and this time he has built a 4-bit single board computer based on the Intel 4004 microprocessor. In the board design [Scott] covers the CPU (both the Intel 4004 and 4040 ...
Design News

Reincarnated Return of the HRRG 4-Bit Computer (Part 2)

In my previous blog, I reintroduced the concept of the Heath Robinson Rube Goldberg (HRRG) 4-bit computer, which has been on my “To Do” list for more years than I care to remember. As we discussed, ...