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Just4Fun

Likes make strange crazy electronic "stuff" (the useless ones are my favorites...).

Italy
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99 Followers
38 Following
23 Projects
1.6k Likes
just4fun
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This user joined on 09/17/2016.

1.6k
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An FPGA-centric board to make "experiments" with old CPUs
Project Owner Contributor

Studio 68: a board for "retro experiments"

just4funJust4Fun

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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.
Project Owner Contributor

68k-MBC: a 3 ICs 68008 homebrew computer

just4funJust4Fun

30.3k
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An easy to build homemade single board computer with a V20HL aka uPD70108H (8088 + 8080) or 80C88 CPU. CP/M-80, CP/M-86 and MSDOS supported.
Project Owner Contributor

V20-MBC: a V20 (8088 + 8080) CPU homebrew computer

just4funJust4Fun

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Homemade 8MHz Z80 SBC, 128kB banked RAM, RTC, SD (HD emulation), Basic and Forth interpreter, CP/M 2.2 and 3, UCSD Pascal, Fuzix and more...
Project Owner Contributor

Z80-MBC2: a 4 ICs homebrew Z80 computer

just4funJust4Fun

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A STM32F030R8 board my way, easily breadboard-able and using the embedded STM32 serial bootloader with Arduino IDE for automatic uploads
Project Owner Contributor

ARMando... (STM32F030R8)

just4funJust4Fun

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An homemade FPGA board with an Arduino STM32, "Multicomp" compatible
Project Owner Contributor

"The Thing": FPGA + STM32

just4funJust4Fun

View all 23 projects

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With BASIC interpreter, BASIC compiler, Z8 assembler and monitor. A restoration project.
Project Owner Contributor

ARCbus Z8 BASIC Microcontroller Boards

keithKeith

34k
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An digital clock made out of 144 7 segment displays
Project Owner Contributor

7 Segment display array clock

frughaFrugha

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The PERSEUS-8 is the enhanced version of the minimum configuration type the PERSEUS-7 6502 computer
Project Owner Contributor

PERSEUS-8 homemade 6502 computer

mitsuru-yamadaMitsuru Yamada

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the FIRST Single-board DIY 8-bit Personal Computer with VGA, Mice, Ethernet and Printer support, GPIO and CP/M powered!
Project Owner Contributor

CRISS CP/M 8-bit Homebrew DIY Computer (AVR based)

igorIgor

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Geoff Graham released an inexpensive video terminal design in 2014. Several others have updated the firmware. Here is an updated PC board.
Project Owner Contributor

ASCII Video Terminal

gkaufmangkaufman

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Making a Retrocomputer with a 68000 CPU in an FPGA
Project Owner Contributor

Retro 68000 CPU in an FPGA

land-boardscomland-boards.com

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Want a piece of RISC-V hardware to play with, but are concerning with the price? Why not build one by yourself with a cost less than 10$!
Project Owner Contributor

The Cheapest RISC-V 64 Computer (by Now)

sdtelectronicsSdtElectronics

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Replace your old 78xx voltage regulators with this much more efficient pin-compatible buck converter.
Project Owner Contributor

78xx Replacement

stefan-wagnerStefan Wagner

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A series of m68k computers designed to run Linux
Project Owner Contributor

Mackerel 68k Linux Computer

colin-mColin M

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68000 Retro Super Computer
Project Owner Contributor

Merlin

matthew-pearceMatthew Pearce

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You can simply write code in Arduino IDE and hit one button to flash the ch55x chip to get code running.
Project Owner Contributor

Ch55xduino

deqingdeqing

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A replacement for the classic TMS9918A VDP, powered by a Raspberry Pi Pico (RP2040)
Project Owner Contributor

PICO9918

troy-schrapelTroy Schrapel

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Wanting to get more development boards of this little 8-bit MCU out into the wild
Project Owner Contributor

CHUSBIE552 - CH552 Development board

gee-bartlettGee Bartlett

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Transmit a video stream to a PAL analog TV using low-frequency PWM
Project Owner Contributor

PAL-Streamer

zst123zst123

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Open source MSX2 compatible computer
Project Owner Contributor

Omega Home Computer

sergey-kiselevSergey Kiselev

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Following the grand tradition of 68k homebrew. It's an exercise in integration, writing device drivers, and eventually something like an OS
Project Owner Contributor

AWP68k

relREL

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This clock is accurate to +/- 1 sec/month without relying on GPS or NTP synchronization. The RTC is implemented in firmware.
Project Owner Contributor

A Very Accurate LED Clock

kc-leeK.C. Lee

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Make your own infra-red remote control
Project Owner Contributor

19 Button IR Remote Control

smartroadsmartroad

13
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The massively versatile All-in-One computing system
Project Owner Contributor

System K8

knvdKn/vD

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Bits

Going2west wrote 12/16/2022 at 16:02 • point

Hello, is it possible to share source code for executable.bin file? I need uterm with 38400 bps.....

  Are you sure? yes | no

Igor wrote 10/31/2021 at 13:40 • point

Thanks a lot for liking my #CRISS CP/M 8-bit Homebrew DIY Computer (AVR based) project!

  Are you sure? yes | no

Mitsuru Yamada wrote 04/21/2021 at 01:26 • point

Thank you for liking and following my #PERSEUS-8 homemade 6502 computer !

  Are you sure? yes | no

Ed S wrote 08/10/2017 at 19:32 • point

You mentioned your "CPLD fun board" elsewhere - I'll be following that as soon as it appears here!

  Are you sure? yes | no

Just4Fun wrote 08/11/2017 at 06:01 • point

Thanks, see you after summer...

  Are you sure? yes | no

Morning.Star wrote 05/04/2017 at 08:43 • point

Nice work, brings back many happy memories. :-)

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Just4Fun wrote 05/04/2017 at 13:07 • point

Thanks!

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