Beast NFC Business Card

Cortex M0+ NFC badge and business card

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A smart business card based on ARM Cortex M0 with integrated NFC. The business card is powered with the harvested energy from NFC communication. For the enthusiasts, JTAG and I2C interface is exposed in a breakout, which makes it possible to tinker and even use it as a development board.

It uses NXP LPC8N04, and features nine 0.4 mm slim orange LEDs for the light show and feedback. The MCU itself consumes only 900uA at 8MHz and 200uA at 1MHz. Given that NFC readers provide power continuously, there are many application that could be implemented on the business card. I haven't came up with anything fancy yet, except for hooking up I2C sensors, and using LEDs and time interval that card is held against the NFC reader to change the mode of operation. If you have any ideas, leave the comment below!


Schematics, revision S1.0

Adobe Portable Document Format - 245.09 kB - 10/21/2019 at 19:20


  • 1 × NXP LPC8N04 ARM Cortex M0+ MCU with NFC
  • 1 × Avago HSML-C197 Orange 0.4mm thick 0603 LED

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