I've already tried this http://www.espruino.com/MFRC522. I received the card ID but I couldn't write.
@user100204 started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
I've already tried this http://www.espruino.com/MFRC522. I received the card ID but I couldn't write.