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2k
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17
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

480
3
2
a business card that has utility by including lockpick tools
Project Owner Contributor

lock pick business card

jeffjeff

168
3
3
A credit card sized meter/logger for temperature, humidity and pressure.
Project Owner Contributor

THp-Meter-Logger

mabe42MaBe42

1.3k
10
14
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

1.3k
5
8
This business card utilizes Persistence of Vision to show my name and credentials
Project Owner Contributor

Persistence-of-Vision Business Creds

chaosneonchaosneon

10.7k
35
33
A hardware device to carry out voltage glitching attacks against microcontrollers with a Raspberry Pi Pico
Project Owner Contributor

Hacking MCUs with the Pico Glitcher v2

matthias-kesenheimerMatthias Kesenheimer

537
3
4
A serial debug adaptor for the MSP430 Series (or any SBW MCU).
Project Owner Contributor

Pi Pico MSP430 Debug Probe

peterPeter

3.7k
16
21
Second generation of the NFC business card adding audible feedback
Project Owner Contributor

Beeping, Blinking Business-card Badge (B4)

greggreg

459
3
3
Multifunctional card-sized board for testing the RP2040 capabilities
Project Owner Contributor

Contact card 2040

jonJon

2.8k
16
13
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

2.2k
6
5
Door entry tools about the size of a credit card.
Project Owner Contributor

Credit card door entry tools

maaveMaave

417
1
5
Business card PCB made with .8mm thick PCB. Uses coin cell battery and LED
Project Owner Contributor

Light-Up Business Card PCB

jeremy-cookJeremy Cook

1.3k
7
10
A business card with a charlieplexed realtime clock and an ATtiny3227 development board.
Project Owner Contributor

Business Card + Clock + ATtiny3227 Dev Board

cheetahhenrycheetah_henry

388
0
0
The topic focuses on the design and construction of a real-time air quality monitoring system based on IoT
Project Owner Contributor

AirSENSE Mobile PCB

tuyen-le-chiTuyen Le Chi

3.1k
5
9
The thinnest functional business card in this contest. "Just make a QR code out of LEDs it'll only take a couple of hours."
Project Owner Contributor

Deadbug Business Card

chinchilla-optionalChinchilla Optional

891
10
7
A NFC Business Card to copy other NFC Cards
Project Owner Contributor

NFC card copying business card

leonLeon

1.3k
10
8
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

APC Semi-Patchable SynthCard

neil-mundtNeil Mundt

742
11
12
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

594
1
1
Learning PCB Design by creating a simple business card with LEDs whose blinking frequency is adjustable.
Project Owner Contributor

Naive Business Card

lorenzo-palloniLorenzo Palloni

1k
9
13
Slightly less likely to get forgotten at the bottom of recruiter's desk drawer. Much LEDs, very visibly working, such utilitarian.
Project Owner Contributor

Businesscard-batterytester

gregGreg

1.4k
31
25
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

1.2k
5
8
Test your partner, is in love with you
Project Owner Contributor

Dr. Love: a Game of Love Detection

un-kyu-leeUn Kyu Lee

600
5
11
A 8x8 LED matrix PCB business card playing Snake
Project Owner Contributor

Gamified Business Card

lambertthemakerLambertTheMaker

245
2
2
PixelCard is a business card generator with lots of blinky lights.
Project Owner Contributor

PixelCard

mynasruMynasru

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