soporteHW

Also having same issue. I use this library: https://stm32f4-discovery.net/2014/07/library-23-read-rfid-tag-mfrc522-stm32f4xx-devices/ When I try to authenticate my mifare card using MFRC422_Auth(*) functions, It returns error -> the MFRC522_REG_STATUS2 is always 0 value....