PN7462 NFC deep dive

tldr; nitty gritty details of an interesting chip for a “smart” card reader/writer

Further exploring teh depths of access control all the things has led to what’s the latest and greatest from NXP. This is a newer iteration of the PN532, a well established and tested choice with some existing open source designs.

Is this an opportunity to further an open source reference design with future functionality options beyond the Clipper?

Screenshot from 2020-05-14 20-30-45


There’s a $100 dev reader board, and a $250 dev kit available, while it could be great to have those for reference, there are a couple of fairly complete schematics available in the getting started guide…