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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

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

USB 5.25-inch Floppy Disk Drive

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

Hackaday Prize 2019

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

Novasaur CP/M TTL Retrocomputer

Alastair Hewitt

A minified replica of the Apple 1 computer

Apple 1 Mini

Ruud van Falier

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

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

Fast, small, available. Pick any three.

CP/M 50 Mk II

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

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

Minty Z80

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

In which I attempt to use up my retro 8085 CPUs

8085 Minimax

Ken Yap Ken Yap

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

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

8-BIT ISA ROM Card

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 !

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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