juan jesusBefore I started this project I searched how other people made his own PCB business cards to find ideas and possible problems that they encountered to help me make my card.
With a fast search on google you find a lot of projects with PCB business cards, some of them are just business cards with no other purpose than that. But the vast majority of these projects have another use for the cards. Those are some examples:
- Ilia Baranov's useful card. Nice card to have around, it has a ruler, hole sizes, and footprints of commonly used components.
- Here it is a flamethrower business card! awesome!
- POV business card. I really like the way the routing has been done, it looks futuristic.
- Brian McEvoy and his blinky cards. Simple, beautiful, and functional. The free battery holder just blows my mind, awesome idea.
- Logical Card. How many logic gates does it take to change a light bulb?
Because I wanted to connect my card to a PC I searched for business cards that had PC connectivity. Those are some examples.
- Brian Carrigan business cards versions 1 and 2.
- Mathieu Stephan right thickness card.
- Corey Harding development board card. It acts as a keyboard to write his contact info in any text editor.
- Ch00ftech paint Card. It acts like a mouse and draws in paint his logo, very cool!
The problem with all those cards is that they used the old fashioned USB type A connector. In order to use this connector you need a PCB thickness of 2.4 mm for a good connection. There is not a simple way to achieve this, some uses extra solder on the USB connector pads, some use tape on the back of the connector, and my favorite one (The Mathieu Stephen business card), uses a 2 PCB stack (1.6 + 0.8) to achieve the exact thickness. But with this thickness the card is not usable for a normal wallet. it is very rigid and fat to be inserted into the wallet.
With this information i had 3 or 4 ideas of what i wanted for my card, but finally I decided to do a gamepad business card, because it was something I didn't see and i like to play old video games.
Later I found that someone had the same idea before me, but I don't know if he really finishes the project.
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yeah, +1, your's is like, way better. when you start adding bulky parts, it defeats the purpose of it being shaped "like a credit card". The only "credit card" type thing is the pcb. I like how your's stays flat, and can actually fit in a wallet
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This is a great summary of business card projects, and very useful on its own. Thank you!
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