Quantity   Component name
1 × Arduino Nano
2 × YSD-1100AR7B-15 Seven Segment Display
1 × Catalex MP3 Playback Module
1 × Micro SD Card
2 × SN74LS47N Logic ICs / Decoders, Encoders, Multiplexers, Demultiplexers
14 × 680 Ohm Resistor
1 × Universal Remote
1 × IR Receiver
1 × 3.5mm audio cable
1 × LM7805 5V Voltage Regulator
1 × 12V Power Supply
2 × Momentary Push Button Switch