Relay Computer

My journey in constructing an 8 bit relay computer from scratch ... made from of a ton of solder, wires, lights, relays, sweat, tears, swearing and money.

Welcome

This is my blog covering the design and construction of a computer made from relays. If you're new here then a good place to start is the overview page.

Latest Post

Auxiliary Control Construction

In my last three posts I covered the design of the auxiliary control unit which will ease entering and inspecting programs in the computer’s memory. With the design ‘in the bag’ it’s time to get...

27 Mar 2018   —  4 minute read

Auxiliary Control Design (Part 3 of 3)

This is the last post in a mini-series of three covering the design of the auxiliary control unit which will ease entering and inspecting programs...

07 Feb 2018   —  4 minute read

Incrementer Test

In my last two posts I covered the construction of the upper and lower incrementer cards. The lower card is a 16-bit half adder and...

07 Jan 2018   —  2 minute read