He had to hack the board to get the NFC reader’s interrupt connected correctly ... There’s a library, but you have to change over your Arduino to use USB 2.1. It turns out that’s not hard ...
The GL3221 is a USB 3.0 SD card reader controller with an integrated ... and power MOSFETs save both cost and area on the PCB. NFC supports three different operation modes: reader/writer, card ...
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