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Jacob Hahn

Vintage computer enthusiast, student, and creator

North Carolina

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This user joined on 08/16/2019.

My Projects

A Z80 single board computer designed to have many essential features built around a highly expandable central bus design

ZTO-80 SBC + Bus

Projects I Like & Follow

Hackaday Prize 2019

8MHz Z80, 128kB banked RAM, RTC, Disk on SD, Basic and Forth interpreters, CP/M 2.2 and 3, cross Assembler and C (SDCC) toolchains

Z80-MBC2: 4ICs homemade Z80 computer

A minified replica of the Apple 1 computer

Apple 1 Mini

Ruud van Falier

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

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

Kobold K2 - RISC 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 input focused control panel for Kerbal Space Program.

Kerbal Flight Control

Matthew Peverill

Language interpreter for uC-based systems

Terminal-BASIC

Andrey Skvortsov

The 2017 Hackaday Prize

A while back I acquired a rare logic-analyzer, whose lone system-diskette needed backing-up. Now this page is all things OMNI 4

OMNI 4 - a Kaypro 2x Logic Analyzer

Fast, small, available. Pick any three.

CP/M 50 Mk II

Hackaday Prize 2019

Minty Z80 is a system with virtualized I/O and minimum component count in an Altoids Tin.

Minty Z80

Generic prototyping of processors from 1970's and 1980's

Generic 8-bit Processors Prototype (G8PP)

A Z80 homebrew computer with 32KB SRAM & 32KB ROM, TMS9918A VDP (video) and AY-3-8910 PSG (audio)

LM80C Color Computer

Leonardo Miliani

I made a Steam Machine for all of my older Games

TRS-80 Model III Retro fitted

Hackaday Prize 2019

My attempt to create a fully expandable 8-bit system built around a modern architecture

Going 8-bit in style: the PIC18 computer

Making an 80s GDC run for the first time in decades, and my first real hack on hackaday.io

uPD7220 Retro Graphics Card (and VGA hack)

In which I attempt to use up my retro 8085 CPUs

8085 SBC

Ken Yap Ken Yap

Putting old hardware to use

Repurposing a Z80 controller board

Ken Yap Ken Yap

Basic 8-BIT ISA ROM Card for Experimenting with BIOS Extensions

8-BIT ISA ROM Card

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Bits

roelh wrote 10/12/2019 at 08:12

Hello Jacob, thank you for following #Kobold K2 - RISC TTL Computer !

Are you sure? yes | no

Dylan Brophy wrote 09/07/2019 at 20:49

Thanks for following #uPD7220 Retro Graphics Card (and VGA hack) !!

Are you sure? yes | no

roelh wrote 08/28/2019 at 19:20

Hi Jacob, thanks for following #Kobold - retro TTL computer !

Are you sure? yes | no