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88 projects
2.1k
23
21
wifi/ble and nfc connected business card.
Project Owner Contributor

dynamic nfc business card

0x0630ff0x0630ff

759
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

946
10
7
A NFC Business Card to copy other NFC Cards
Project Owner Contributor

NFC card copying business card

leonLeon

327
1
3
A business card that circles back around - next time you need to prototype something up!
Project Owner Contributor

Prototyping Business Card

peterPeter

2.4k
16
16
How many features can you squeeze into a cheap bizcard? Quite a lot.
Project Owner Contributor

Self-Replicating USBHID-WS2812-RF24 Bizcard

anders-nielsenAnders Nielsen

1.5k
0
5
It's cool to make a project on top of FR4, but why not try on a paper?
Project Owner Contributor

Back-to-basics paper business card

lincoln-ueharaLincoln Uehara

9.7k
70
81
'70s microcomputer meets '80s handheld game
Project Owner Contributor

Blinkencard - Pocket Altair 8800

ajlittajlitt

468
3
3
Multifunctional card-sized board for testing the RP2040 capabilities
Project Owner Contributor

Contact card 2040

jonJon

1.1k
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

547
3
4
Three diagnostic test tools within a business card form factor.
Project Owner Contributor

3in1 Test Tool Card

uk4dshouseuk4dshouse

3k
21
26
A solar weather display close to the size of a card!
Project Owner Contributor

Weather Card

blanchard-jordanBLANCHARD Jordan

219
0
1
A flight computer designed for an active vertical stability system for a sounding rocket
Project Owner Contributor

Project Aptos: Business Card Flight Computer

ollie-martinOllie Martin

443
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

1.5k
6
12
I2CDetect software utility built on a PCB business card.
Project Owner Contributor

I2CDetect Business Card

kris-bittleKris Bittle

927
2
4
Simple receiver/transmitter for 433mhz devices
Project Owner Contributor

433 Mhz receiver/transmitter business card

adrian-cruceruAdrian Cruceru

1.7k
7
7
Building a charlieplexed 6x6 LED display (with Raspberry Pi Pico) business card
Project Owner Contributor

Charlieplexing Pi Pico business card

clovis-fritzenClovis Fritzen

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

401
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

3.6k
7
7
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

381
1
1
this business card project it is not only business card size but also act like a business card.
Project Owner Contributor

business card size project act as business card

zameelzameel

519
4
5
Don’t just put it in a bin, use it!
Project Owner Contributor

Devkit business card

tdg-blaTDG (Béla)

1.4k
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

1.6k
12
11
A different take to electronic business cards
Project Owner Contributor

Yet Another Business Card

kelu124kelu124

633
4
3
Fast creation to celebrate children day - because all of us have child soul
Project Owner Contributor

Buisnes card for children day

satanistiksatanistik

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