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ARITH-MATIC

Independent creator of beautifully engineered DIY electronic kits | 4-bit wrangler | two's complementor | http://arith-matic.com

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This user joined on 06/11/2017.

My Projects

The S1-AU Mk1 is a 4-bit arithmetic unit, designed to help you explore the guts of computing.

S1-AU Mk1: a 4-bit arithmetic unit

The Cambridge-1 features a 4-bit word size, 7400 series ICs galore and blinkenlights-a-plenty.

Cambridge-1: a 4-bit 7400 series based CPU

A beautifully engineered 4-bit arithmetic unit by ARITH-MATIC

S1-AU Mk1

Projects I Contribute To

Where DIY DIP/SSI/MSI CPU makers meet and discuss other TLA (three letters acronyms)

Hackaday TTLers

Yann Guidon / YGDES

Projects I Like & Follow

TRIADOR: The only ternary computer made for real in the past 50 years.

Homebrew ternary computer

Dmitry V. Sokolov

A minified replica of the Apple 1 computer

Apple 1 Mini

Ruud van Falier

The 2018 Hackaday Prize

JACA - Just Another CPU Again Homebrew CPU, starting by a simple POC 4-bit CPU on circuit simulator soft. (done), then 8-bit (in progress)

JACA 1 & 2 Homebrew Computer

The 2018 Hackaday Prize

A byte-wide stripped-down version of the YGREC16 architecture

YGREC8

Yann Guidon / YGDES

A full-featured Motorola 68k retro computer, starring a 68010 running at 8MHz

rosco_m68k

The 2018 Hackaday Prize

A PCB with one column per month, each has approximately thirty switches in series and one LED at the end. 367 Switches. Pure Madness.

Smaller Simone Giertz's Good Habit Tracker

An Educational Implementation of the Classic 74181 Arithmetic-Logic Unit

Mega-One-8-One

A pocket sized recreation of a room filling computer from 1949

EDSAC In Your Pocket

DME is 16-bit custom CPU complete with a full software stack and a multi tasking operating system.

16-bit 'modern' homebrew CPU

My take on Ben Eater's breadboard computer

8-bit breadboard TTL CPU

Ruud van Falier

The successor of ELLO 2M

ELLO 3L Computer

An 8-states Turing machine with 2 tapes, made using basic electronic components

A two tapes Turing machine

Olivier Bailleux

8-bit breadboard computer from 7400 series TTL ICs

ANDOR - 8-Bit Breadboard computer

TD4 CPU is a "4bit CPU that runs". It is very interesting for what can be done with so little.

TD4 CPU

16-bit computer system featuring a custom-designed CPU

LEO-1 Homebrew CPU

I have a lot of random spare parts doing nothing and a need to make them do things...

Detritus, the 8-bit ... computer?

A 65c02 based homebrew computer

Steckschwein

This is my fourth home brew CPU

CPU4

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Bits