Nibble Knowledge 4-bit Computer pictures
Below you can see the whole machine, along with poster detailing the project and computer layout:
This is the poster in that picture:
Here you can see a part of the CPU itself, specifically the program counter and accumulator. Even on this breadboard, the machine was capable of above 5Mhz:
This picture clearly shows the connectivity between the 4-bit parallel data bus and one of the peripheral controllers:
And here you can see two of the five peripheral controllers, specifically the PS/2 keyboard and audio controllers:
If you are interested in more information about this computer, you can check out the Github, book, or send me a message!