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88 projects
655
6
9
A business card with a charlieplexed realtime clock and an ATtiny3227 development board.
Project Owner Contributor

Business Card + Clock + ATtiny3227 Dev Board

cheetahhenrycheetah_henry

1.7k
3
6
A colorful, interactive business card with an SMD parts cost of $1!
Project Owner Contributor

CH32V003 Business Card

adam-billingsleyAdam Billingsley

399
1
2
A useful tiny gadget!
Project Owner Contributor

Tiny mdt

sergio-ghirardelliSergio Ghirardelli

1.2k
8
13
Versatile and customizable business card and badge holder. Starting from a 0.8 mm RFID business card up to full featured badge holder.
Project Owner Contributor

'Swiss Army Knife' RFID LED Business Card

erichstygererich.styger

564
27
8
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

341
3
2
a business card that has utility by including lockpick tools
Project Owner Contributor

lock pick business card

jeffjeff

1.3k
5
11
I2CDetect software utility built on a PCB business card.
Project Owner Contributor

I2CDetect Business Card

kris-bittleKris Bittle

737
5
7
The OpenCTD is a low-cost, open-source oceanographic instrument. This calling card helps you build your OpenCTD by providing a test bench.
Project Owner Contributor

A calling card for oceanographers

andrewdavidthalerandrew.david.thaler

637
8
6
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

98
0
0
A powerful power supplier board for your Bread Board and other electronics project. Multi input, including Type-C,DC3.5 ,Li-Bat. Super wide
Project Owner Contributor

Zero Multi-Power Supply V3.0 for Bread Board

toneyToney

1.3k
8
11
Simple and inexpensive business card with RFID.
Project Owner Contributor

Wood you like my business card?

erichstygererich.styger

367
1
3
My personal business card
Project Owner Contributor

Smart EE designer Business Card

marius-taciucMarius Taciuc

468
3
3
Fast creation to celebrate children day - because all of us have child soul
Project Owner Contributor

Buisnes card for children day

satanistiksatanistik

69
2
2
PixelCard is a business card generator with lots of blinky lights.
Project Owner Contributor

PixelCard

mynasruMynasru

1.7k
20
20
wifi/ble and nfc connected business card.
Project Owner Contributor

dynamic nfc business card

0x0630ff0x0630ff

1.5k
14
15
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

948
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

408
8
11
Neuron-1 is a universal CNC controller with a plug-and-play system that ensures secure and fast connections.
Project Owner Contributor

Universal CNC controller

cortex-automationsCortex Automations

2.9k
29
27
Animated Avatar On a Business Card
Project Owner Contributor

CardTuber

river-wangRiver Wang

1.2k
0
4
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

244
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

359
1
3
Business card that generates Morse code SOS signal using discrete logic components.
Project Owner Contributor

SOS Business Card

martynasMartynas

1.9k
21
25
Low-cost card-sized musical instrument with touch keys
Project Owner Contributor

Canta-Cart

ayuAyu

878
7
11
A delightfully pixelated, programmable WiFi analog+digital clock... the size of a credit card
Project Owner Contributor

Foxie CardClock 2.0

will-fox-foxie-productsWill Fox (Foxie Products)

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