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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 powerful Z80 modular computer built around a highly expandable central bus design

ZTO-80 Modular Computer System

Projects I Like & Follow

Hackaday Prize 2019

Homemade 8MHz Z80 SBC, 128kB banked RAM, RTC, SD (HD emulation), Basic and Forth interpreters, CP/M 2.2 and 3, cross Assembler and C (SDCC)

Z80-MBC2: a 4 ICs homebrew Z80 computer

An digital clock made out of 144 7 segment displays

7 Segment display array clock

A minified replica of the Apple 1 computer

Apple 1 Mini

Ruud van Falier

Hackaday Prize 2019

Retrocomputer with serial and video built from late 70's TTL logic

Novasaur Retrocomputer

Alastair Hewitt

A 16 bit RISC computer with video display, from just a few TTL and memory chips. Online C compiler and simulator available.

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 Spaceship Potato

Matthew Peverill

Fast, small, available. Pick any three.

CP/M 50 Mk II

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

LM80C Color Computer

Leonardo Miliani

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)

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)

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

I made a Steam Machine for all of my older Games

TRS-80 Model III Retro fitted

Retro-Futuristic 8-bit AVR based computer with 5" TTL CRT, PS-2 Keyboard, Serial Thermal Printer, PCM sound, and flash file system

Resto-Mod 8 bit microcomputer

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

An IBM 5150 in a small form factor, running on real 80's hardware and including some modern features

IBM PC Classic Edition

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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