Quantity   Component name
1 × PCBWay Custom PCB
1 × Arduino Nano 33 IoT
1 × Raspberry Pi 3 or 4
1 × DFRobot DFPlayer Mini MP3 Player
1 × SD Card
1 × Speaker
1 × MFRC522 RFID Reader
2 × RGB Diffused Common Cathode
1 × DC184 Yellow Pushbutton
1 × Resistor 1k ohm
1 × Resistor 10k ohm
1 × MB102 Power Supply Module
1 × External Battery