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Alastair Hewitt

80's tech nostalgic

Boston, MA

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This user joined on 03/04/2019.

My Projects

Hackaday Prize 2019

Retro computer built from 1978-era TTL logic chips. Internet capable with built in web browser and server

YATAC78 - The WWW TTL Computer

Alastair Hewitt

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

The 2017 Hackaday Prize

Just because! A home computer without microprocessor

Gigatron TTL microcomputer

Marcel van Kervinck

The 2016 Hackaday Prize

NEDONAND is 8-bit homebrew computer entirely built out of many 74F00 chips (2-input NAND gates)

NEDONAND homebrew computer

Look Ma, no microcontroller

Breadboard VGA from TTL and EEPROM

Marcel van Kervinck

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

Hackaday TTLers

Yann Guidon / YGDES

Advanced graphics for anything from homebrew computers to weather reporting boxes and everything that can communicate over 3.3-5v UART.

Arduino Graphics Card

Hackaday Prize 2019

A microprocessor built with TTL chips. In one square inch.

1 Square Inch TTL CPU

And a tiny microcontroller

Breadboard VGA from TTL and SRAM

Marcel van Kervinck

A Modular 4-Bit CPU Design

DDL4-CPU

The 2016 Hackaday Prize

Scientific calculator with a brain built out of relays.

RISC Relay CPU

A breadboard-able computer which uses only a single instruction - MOVE

One-instruction TTL Computer

Hackaday Prize 2019

A 16 bit computer with 20 address bits and video display, from just a few TTL and memory chips. Instructions resemble 68000 / PDP-11.

Kobold - retro TTL computer

This is an 8-bit CPU built using only 17 TTL chips. 32K ROM, 32K data, UART, microcoded.

CSCvon8: An 8-bit TTL CPU

Adding four SPI ports and up to 128K of banked RAM using nothing more than 4 TTL chips and some wizardry.

Gigatron I/O and RAM expander

Marcel van Kervinck

Microcomputer that runs without a CPU

GTXL Gigatron clone computer with keyboard

Dawn - the SUBLEQ operating system by Geri

Dawn - the SUBLEQ operating system by Geri

A homebrew 7400 series brainf*ck computer.

braiNIAC

Google Sheet with app script to pull out just the unshipped ones. For download and import into shipping software.

Tindie Unshipped Orders Sheet

Bits

Alastair Hewitt wrote 04/10/2019 at 00:14

Hi @roelh Thanks for liking and commenting on my project. Looking forward to comparing notes!

Are you sure? yes | no

roelh wrote 04/09/2019 at 20:22

Hi Alastair, thank you for liking and following my new project, the Kobold computer, https://hackaday.io/project/164897-kobold-retro-ttl-computer !

Are you sure? yes | no