description:
In this information age in which people are connected by network cables, business cards are also in need of reform.
The traditional name, position, phone number, and address are the time to erase it. Instead, the informational elements such as the net name, mail, and web address are replaced.
Just changing the content is not enough, the informationization should be more thorough, like this one!
Related information download:
　　 Circuit diagram of homemade electronic business card
　　 Source code of homemade electronic business card
　　 Homemade electronic business card PCB drawings
　　 Self-made electronic business card Eagle format PCB design
It’s cool, let’s do it together and need a certain electronic foundation. The circuit diagram is as follows:
The first thing to do is to make a PCB board. Using thermal transfer or photosensitive dry film can achieve high precision. The finished PCB board is as follows:
Next, each patch component is soldered.
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Then use the programmer to write the code to the microcontroller.
The last process is to wrap the business card, and use the double-sided tape of foam to wrap the PCB.
Carefully remove the excess.
Print a mask, place it on the foam double-sided tape, and a real electronic business card is born.
There are still many places that can be improved:
Reduce the thickness of the business card
Display richer text and graphics
Add convenient information interaction function (simulate traditional exchange business card action)
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Sichuan Xinlian electronic science and technology Company , https://www.sztmlchs.com