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Projects Just4Fun likes and follows

3k
3.1k
21
A 140MHz - 3GHz 2-port T/R VNA and software
Project Owner Contributor

Low cost open hardware VNA

cary-wCary W.

15.7k
2k
97
Smalls mint tin sized BeagleBone (KiCAD version)
Project Owner Contributor

Pocketbone KiCAD

michael-wellingMichael Welling

16.2k
1.9k
90
Or how to build a HF transceiver and learn along the way!
Project Owner Contributor

PUZZLE: radio building blocks

mdasilvaM.daSilva

1.7k
1.5k
16
The Nixie Shield allows an Arduino board to connect any nixie tube you want to use in your projects.
Project Owner Contributor

Nixie Tube Shield for Arduino

marcin-sajMarcin Saj

6.6k
1.4k
41
Open Source Hardware GNU/Linux PowerPC Notebook project
Project Owner Contributor

OSHW GNU/Linux PowerPC Notebook

roberto-innocentiRoberto Innocenti

1.3k
1.1k
5
Running LED circuit using the inverted output signals of the CD4017 decade counter
Project Owner Contributor

Running LED

andrea-de-napoliAndrea De Napoli

89.8k
307
270
Just because! A home computer without microprocessor
Project Owner Contributor

Gigatron TTL microcomputer

marcel-van-kervinckMarcel van Kervinck

17.9k
122
140
An ARM based scientific calculator
Project Owner Contributor

Scientific Calculator

ramn-calvoRamón Calvo

26.3k
94
81
Need an extra USB port but a regular hub doesn't fit? Try my Nanohub!
Project Owner Contributor

Nanohub - tiny USB 2.0 and 3.0 hubs!

muxmux

7.2k
69
50
Emulation of a Z80-based CP/M 2.2 machine with 64K ram on an ESP8266
Project Owner Contributor

CP/M 8266

matsengmatseng

7k
62
65
A flexible, simple, yet powerful FPGA development board.
Project Owner Contributor

Spartan Mini

jon-thomassonJon Thomasson

13.8k
56
41
This is an IR receiver and interface for adapting a commodity receipt printer to be 82240B-compatible.
Project Owner Contributor

HP 82240B IR Receiver and Printer Interface

ziggurat29ziggurat29

5.7k
43
74
Another hexadecimal display, this one is sans transistor for the extra vintage touch, and uses only Soviet-era parts
Project Owner Contributor

Numitron Hexadecimal display module

yann-guidon-ygdesYann Guidon / YGDES

5.6k
41
57
Press the button to momentarily disconnect a USB device
Project Owner Contributor

USB Interruptor

paul-stoffregenPaul Stoffregen

4.6k
35
32
Automated Soap Bubble Machine controlled by Arduino with lasercut frame
Project Owner Contributor

Soap Bubble Machine

kenoraKenora

3.7k
25
27
Display the data from a Kansas City-encoded tape on a 7-segment display using only discrete transistors
Project Owner Contributor

KCS tape viewer

matsengmatseng

363
24
18
Bringing makers into microwave world
Project Owner Contributor

Microwavino

peroPero

3.9k
19
15
This simple circuit will detect the presence of VHF / UHF frequency radiation.
Project Owner Contributor

RF Sniffer - See the Invisible !

simpletronicSimpleTronic

4.5k
17
8
With this bit of animated art on your wall, it would be illogical if you did not receive extra long life and prosperity.
Project Owner Contributor

Vulcan Salute

terragterrag

4k
13
11
a remote controlled gate valve for a water heater
Project Owner Contributor

IOTap

ekaggrat-singh-kalsiekaggrat singh kalsi

442
8
9
Simple breakout board for Atmel's SAMC 5V ARM chip.
Project Owner Contributor

Atmel SAMC breakout

westfwWestfW

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