NFC inlays are paper thin (~0.06mm) and cards are typically 0.2mm (Bicyle) to 0....

		polynomial 19 days ago \| parent \| context \| favorite \| on: I built physical album cards with NFC tags to teac... NFC inlays are paper thin (~0.06mm) and cards are typically 0.2mm (Bicyle) to 0.30mm (M:TG). We can use NFC tools to write an URI pointing at an audio file link using NDEF. I believe Android will play the audio file when you tap the card on the your phone. (Apple will need you to confirm in a popup.)