桂花蒸

[Successful] NFC-based PCB business card

Overview

This project is a solution verification business card based on NXP's NT3H1101W0FHKH nfc chip. It can be programmed through a mobile phone app with NFC, and being close to the NFC coil of the mobile phone can light up the LED on the board. It can be powered directly by NFC without the need for external power sources such as batteries. It’s a good gift. You can give it to your tutor during the interview at the university to deepen your impression.
How to use: Download any NFC tool APP on your mobile phone, then put the coil of the NFC card close to the NFC coil of the mobile phone, and use the APP to write Enter data. If your phone supports silent NFC reading, bring the NFC card with data written close to the phone again to display the information. If it does not support silent NFC, you need to open the NFC APP to read
a 10*10cm PCB to read it. 2 yuan, which works out to 5 cents each, and the price of this chip is more than 4 yuan. Isn’t it wonderful that you can make such a creative gift with only 5 yuan?

Design Files

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2025-05-07 12:30:52

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