Quantity   Component name
1 × Raspberry Pi type 2 or newer
1 × RFIC RC522 module with antenna
1 × Adafruit MAX98357 I2S module
1 × speaker one 4-8 ohms speakers or two 4 ohms
3 × buttons
1 × resistors see schematic
1 × MOSFET IRLZ44N
99999 × RFID sticker one sticker per card/album
1 × power supply + cable