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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 computer built around a highly expandable central bus design

ZTO-80 Computer System

jacob-hahn Jacob Hahn

An attempt to create a USB-connected 5.25-inch floppy drive

USB 5.25-inch Floppy Disk Drive

jacob-hahn Jacob Hahn

Projects I Like & Follow

Hackaday Prize 2019

Retrocomputer built from TTL logic running CP/M with no CPU or ALU

Novasaur CP/M TTL Retrocomputer

alastair-hewitt Alastair Hewitt

An digital clock made out of 144 7 segment displays

7 Segment display array clock

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 Matthew Peverill

A Z80 homebrew computer with 64KB SRAM & 32KB ROM (with BASIC), TMS9918A VDP (video) and AY-3-8910 PSG (audio)

LM80C Color Computer

leonardo-miliani Leonardo Miliani

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)

dylan-brophy Dylan Brophy

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

In which I attempt to use up my retro 8085 CPUs

8085 Minimax

ken-yap Ken Yap

Hackaday Prize 2019

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

8-bit in style: the PIC18 computer

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

Generic 8-bit Processors Prototype (G8PP)

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

john-anderson John Anderson

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

8-BIT ISA ROM Card

daves-dev-lab Dave's Dev Lab

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

IBM PC Classic Edition

A failed attempt to put old hardware to use

Repurposing a Z80 controller board

ken-yap Ken Yap

The MCL86+ is an open-source drop-in emulator for the Intel 8088 which uses a Teensy 4.1 and a small PCB

MCL86+ Drop-in Intel 8088 Emulator and Accelerator

ted-fried Ted Fried

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Bits

Anders Nielsen wrote 08/13/2023 at 05:46

Thank you for liking and following my #Relatively Universal ROM Programmer

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roelh wrote 10/12/2019 at 08:12

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

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

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

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roelh wrote 08/28/2019 at 19:20

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

Are you sure? yes | no