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41 projects
283
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Build a General MIDI YM3812 OPL2 Synthesizer the size of a business card using the SynthCard format. Great for Video Game music!
Project Owner Contributor

YM3812 Synth Card

tyler-kleinTyler Klein

706
15
24
Use this to distract your customers. This one will stay on top of their desks instead of getting lost in a drawer.
Project Owner Contributor

Integrated Game Business Card

dan-schnurDan Schnur

68
10
12
Create and build your own business card on a PCB with NFC capability
Project Owner Contributor

nfc business card

ziv-barcesatZiv Barcesat

1
2
MidiCard is a USB-C Midi Keyboard with 18 keys, sustain, modulation, octave buttons, and volume buttons, available at makerproducts.art.
Project Owner Contributor

MidiCard USB C Tiny Keyboard

alana-bAlana B

2
2
A 6-button capacitive macropad on a business card with NFC and an RP2040
Project Owner Contributor

Macropad on a Business Card

yspace-labsYSPACE Labs

426
1
2
Business card that generates Morse code SOS signal using discrete logic components.
Project Owner Contributor

SOS Business Card

martynasMartynas

63
4
2
wifi/ble and nfc connected business card.
Project Owner Contributor

dynamic nfc business card

0x0630ff0x0630ff

20
16
A 64K Z80 computher that you cand build by yourself only with perfboards, wires and some components
Project Owner Contributor

The Homebrew Handwired Z80 Computer - H2Z80

jorisclaytonJorisclayton

1
1
a business card that has utility by including lockpick tools
Project Owner Contributor

lock pick business card

jeffjeff

2
1
Classic Atari Punk Console with a 556 Core and 555 timer L.F.O in a portable Format for all your Buzzing Needs
Project Owner Contributor

Atari Punk Console Semi-Patchable SynthCard

neil-mundtNeil Mundt

67
12
12
Yet another overly engineered business card, that probably I would never give a way, because it is too expensive.
Project Owner Contributor

Electronic CV

dimitarDimitar

690
1
6
A 8x8 LED matrix PCB business card playing Snake
Project Owner Contributor

Gamified Business Card

lambertthemakerLambertTheMaker

132
2
4
I have made a simple but feature-rich business card. it has a tic-tac-toe game. let's see how I made this
Project Owner Contributor

PCB Bussiness Card With 4*4 Tic Tac Toe Game

escesc

150
5
8
Solar powered business card designed to attract attention on a regular basis.
Project Owner Contributor

A Very Annoying Business Card

dead-rat-productionsDead Rat Productions

12
17
A $15 game console the size of a business card that plays multiple games via cartridges.
Project Owner Contributor

Game Card

dylan-turnerDylan Turner

6
9
A full keyboard development board for learning programming languages such as CircuitPython, MicroPython, C++, uLisp, etc
Project Owner Contributor

LangCard

makerm0MakerM0

178
0
0
This business card utilizes Persistence of Vision to show my name and credentials
Project Owner Contributor

Persistence-of-Vision Business Creds

chaosneonchaosneon

154
0
0
A business card with a charlieplexed realtime clock and an ATtiny3227 development board.
Project Owner Contributor

Business Card + Clock + ATtiny3227 Dev Board

cheetahhenrycheetah_henry

51
4
9
I2CDetect software utility built on a PCB business card.
Project Owner Contributor

I2CDetect Business Card

kris-bittleKris Bittle

135
1
This is an electronic voting machine. It can be used in all electoral votes types.
Project Owner Contributor

Electronic Voting Machine

marwene-selmiMarwene Selmi

131
5
5
A different take to electronic business cards
Project Owner Contributor

Yet Another Business Card

kelu124kelu124

59
5
7
The idea is - a business card which is pre-programmed and will call to the business owner and you can talk from business card itself.
Project Owner Contributor

LTE Business card

sandeep-singhSandeep Singh

81
1
1
A retro emulation system on a <=2mm thick business card, using ideas borrowed from other projects and a sprinkling of insanity...
Project Owner Contributor

RetroMedleyCard

eontronicsEontronics

848
37
44
'70s microcomputer meets '80s handheld game
Project Owner Contributor

Blinkencard - Pocket Altair 8800

ajlittajlitt

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