Close

Your browser (Internet Explorer) is out of date.

Update your browser for more security, comfort and the best experience on this site.

Update Internet Explorer'

Projects Just4Fun likes and follows

15.4k
4.1k
96
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

13.8k
1.9k
148
Very simple Tesla Coil - 3 components only = LED, BUL45D2G transistor and 82K resistor
Project Owner Contributor

Easy Open Tesla coil on PCB

bobriciusbobricius

39k
1.4k
252
An digital clock made out of 144 7 segment displays
Project Owner Contributor

7 Segment display array clock

frughaFrugha

5.2k
1.1k
24
68000 Retro Super Computer
Project Owner Contributor

Merlin

matthew-pearceMatthew Pearce

756
530
6
Make your own infra-red remote control
Project Owner Contributor

19 Button IR Remote Control

smartroadsmartroad

164
487
8
Matrix style digital clock - driven from my STM32F030 VGA library
Project Owner Contributor

Matrix clock

kc-leeK.C. Lee

9.5k
107
180
Next project from my line ( 1x PCB order = complete product) 10 classic retro games on 8x8 led matrix Entire build from single PCB board ;-)
Project Owner Contributor

LedCade - µ arcade game cabinet - 8x8 LED matrix

bobriciusbobricius

19k
101
124
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

14.3k
68
62
A series of m68k-based single-board computers built to run Linux
Project Owner Contributor

Mackerel-68k Linux SBCs

colin-maykishColin Maykish

9.3k
61
53
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

8.8k
55
72
Replace your old 78xx voltage regulators with this much more efficient pin-compatible buck converter.
Project Owner Contributor

78xx Replacement

stefan-wagnerStefan Wagner

13.3k
52
43
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

10.8k
34
24
Making a Retrocomputer with a 68000 CPU in an FPGA
Project Owner Contributor

Retro 68000 CPU in an FPGA

land-boardscomland-boards.com

6.2k
23
24
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

5.2k
23
20
A replacement for the classic TMS9918A VDP, powered by a Raspberry Pi Pico (RP2040)
Project Owner Contributor

PICO9918

troy-schrapelTroy Schrapel

1.6k
23
23
Open source MSX2 compatible computer
Project Owner Contributor

Omega Home Computer

sergey-kiselevSergey Kiselev

1.4k
17
14
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

2.1k
15
15
Transmit a video stream to a PAL analog TV using low-frequency PWM
Project Owner Contributor

PAL-Streamer

zst123zst123

1.1k
14
10
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

2.6k
13
14
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

201
13
10
The massively versatile All-in-One computing system
Project Owner Contributor

System K8

knvdKn/vD

Going up?

About Us Contact Hackaday.io Give Feedback Terms of Use Privacy Policy Hackaday API

© 2026 Hackaday