Keebin’ With Kristina: The One With The Folding Butterfly Keyboard

Want to give prospective employers a business card that doesn’t immediately get tossed? Of course you do. If you’re one of us, the answer is obvious: make it some kind of a PCB. But as …

2024 Tiny Games Contest: Neat PCB Business Card Was Inspired By The Arduboy

The humble business card is usually a small slip of cardboard with some basic contact details on it — but as hackers know, it can be so much more. [Marian] has provided us a great example in …

2024 Business Card Challenge: CardTunes Bluetooth Speaker

A business card form factor can be quite limiting, but that didn’t stop [Schwimmflugel] from creating CardTunes, an ESP32-based Bluetooth audio speaker that tried something innovative to deli…

2024 Business Card Challenge: Snakes On A Business Card

Once [Lambert the Maker] saw the Arduboy, he knew the thing was ripe for remixing into a business card with an 8×8 LED matrix instead of an OLED screen. [Lambert] already has a PCB business ca…

Micro Jeep Model Kit Is Both Business Card And Portfolio

When finding work in product design and prototyping, two things are important to have at hand: a business card, and a sample of one’s work. If one can combine those, even better. Make it uniq…

Minimal Tic Tac Toe Business Card

The PCB business card has long been a way for the aspiring electronics engineer to set themself apart from their peers. Handing out a card that is also a two player game is a great way to secure a …

A Linux Business Card You Can Build

It is a sign of the times that one of [Dmitry’s] design criteria for his new Linux on a business card is to use parts you can actually find during the current component shortage. The resultin…