Reading Mifare Classic 1K cards with an RC522 RFID module on a Raspberry Pi 3.
Hardware
RC522 RPi3 === = === SDA -- 24 SCK -- 23 MOSI -- 19 MISO -- 21 IRQ -- 16 GND -- GND PST -- 29 VCC -- 3.3v
Classic 1K Mifare
Has 16 sectors, each sector has 4 blocks, each block has 16 bytes === = === sector [0..15] block [0..3] byte 16 === = === total size: 16x16x16 bytes = 4k bytes