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Steven

Studied computer science in the 90th and having fun with retro hardware and software

Netherlands

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This user joined on 04/17/2021.

My Projects

Single board computer (128KB SRAM) build in 1991.

68000 minimal homebrew computer

Easy-to-build 68020 single-board computer - utilizing conventional components only and designed for simplicity and ease of understanding

68020 minimal homebrew computer

An easy-to-build and easy-to-understand single-board retro computer, perfect for overclocking and running the Fuzix OS (at 32 MHz).

Thunderbird-68000 SBC @32 MHz

Projects I Like & Follow

An easy to build homebrew SBC with a 68008 CPU. Two HW options: Lite and Full. Lite allows to build a 3 ICs 68008 system running CP/M-68K.

68k-MBC: a 3 ICs 68008 homebrew computer

A series of m68k-based single-board computers built to run Linux

Mackerel-68k Linux SBCs

colin-maykish Colin Maykish

What, you're using a 555? I could've done that with a microcontroller!

ATTiny555

shranav-palakurthi Shranav Palakurthi

BASIC for the 8080 and Z80, fits in 1K of memory, runs BASIC games on a 2K system. Features similar to Palo Alto Tiny BASIC.

One kilobyte Tiny BASIC for the 8080 and Z80

willstevens will.stevens

68000 Retro Super Computer

Merlin

matthew-pearce Matthew Pearce

HBC-56 A homebrew 8-bit computer with a backplane. Initially with a 65C02 CPU card, a TMS9918A VDP and dual AY-3-8910 audio.

HBC-56: 65C02 + TMS9918A on a backplane

troy-schrapel Troy Schrapel

Modular 8-bit computer system based on the WDC 65C02 and a mix of modern hardware.

Herring 6502 Computer

colin-maykish Colin Maykish

An expandable 68000 based computer

Y Ddraig - My 68000 Computer

stephen-moody Stephen Moody

An open-source minimalist 68030 based VMEbus computer

hexahedron

arrow-westervelt Arrow Westervelt

My take on a highly integrated, Motorola 68000 based "single" board computer.

COMET68k

An evolution of the rosco_m68k 68000 home-brew computer, this time with a 68030 at (initially) 33MHz and with some advanced peripherals

rosco_m68k_pro

ross-bamford Ross Bamford

Ever wonder what it would have been like if IBM has chosen the Motorola 68000 instead of the Intel 8088?

IBM PC 8088 REPLACED WITH A MOTOROLA 68000

ted-fried Ted Fried

Relay clock generator. Latch. D-flipflop. Program counters. DRAM. Fast adder. Parity checker. Zero+max detector. ROM. Shift/rotate unit. ALU

Relay computer circuits with pre-1940 components

a homebrew FPGA CPU with a native Pascal compiler and a simple development environment

Tridora-CPU

A series of simple 68010 and 68030-based computers with a Unix-like OS

Computie 68k

transistorfet transistor_fet

Simple Homebrew computer based on 68000 CPU

Yet Another 68k Homebrew Computer

roman-romanchuk Roman Romanchuk

An improved version of pico-mac-nano project. It's a real small computer emulates Macintosh 128K System at 1984 or later.

Tiny RP2040 Macintosh Computer

A work in progress 68008 card for RC2014 and BP80 busses

68008 for RC2014

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Bits

MatNieuw wrote 12/16/2025 at 12:55

Hi Steven, thanks for liking my project about a relay computer with pre-1940 components. I am slowly progressing...

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