140177 NFC Interface

<div class="none">This circuit connects a NXP NFC tag IC (NTAG I2C) with our ECC bus through an ATmega328P controller.  As NXP describes it:</div><div class="none">By combining an NFC interface with a contact I²C interface, the NXP NTAG I²C solution</div><div class="none">enables new kinds of NFC tags interactions, including advanced device pairing,</div><div class="none">personaliz