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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

Look Ma, no microcontroller

Breadboard VGA from TTL and EEPROM

Marcel van Kervinck

Hackaday Prize 2019

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

1 Square Inch TTL CPU

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

Arduino Graphics Card

A 16 bit RISC computer with video display, from just a few TTL and memory chips.

Kobold K2 - RISC TTL Computer

And a tiny microcontroller

Breadboard VGA from TTL and SRAM

Marcel van Kervinck

A Modular 4-Bit CPU Design

DDL4-CPU

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

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

One-instruction TTL Computer

Add a second brain to your Arduino Mega

RetroShield for Arduino Mega

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

CSCvon8: An 8-bit TTL CPU

Designing and building my own 8-bit computer from scratch with 74xx (TTL) logic chips

8-bit 74xx computer

Ruud van Falier

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

Suite-16 is a 16-bit cpu built entirely from TTL. It is a personal exploration of how hardware and software interact.

Suite-16

A Series of Experiment to Create an ISA 8-Bit Video Card

ISA 8-Bit Video Experiments

Dawn - the SUBLEQ operating system by Geri

Dawn - the SUBLEQ operating system by Geri

A homebrew 7400 series brainf*ck computer.

braiNIAC

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Bits

roelh wrote 09/16/2019 at 17:34

Hello Alastair, thank you for following and liking the #Kobold K2 - RISC TTL Computer !

Are you sure? yes | no

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