A blog about a computer made from relays - page 2

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.

Branching: Opcode Design

There’s been a common theme recently in the comments on my YouTube videos … people are ready to see my relay computer gain the power...

23 Sep 2019   —  7 minute read

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16-bit Register PCB Design

It’s time for the oddly therapeutic part of designing a PCB … laying out the board. In my last post I covered the schematic design...

09 Aug 2019   —  9 minute read

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16-bit Register Design

In my last couple of posts I’ve been building up to a change of approach in how I’m making the cards in my computer. This...

15 Jul 2019   —  7 minute read

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Making a PCB

After years of using pad/prototyping boards to build my computer I’ve decided to switch things up a bit and have a go at making a...

04 Mar 2019   —  10 minute read

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A change of approach

In my last post I touched on how the repetitive nature of making register cards has been putting me off progressing my relay computer. If...

14 Jan 2019   —  5 minute read

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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....

27 Mar 2018   —  4 minute read

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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

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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

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