Quantity   Component name
1 × sot-23 S9012 pnp transistor
16 × 4-digit 7 segment displays
1 × Arduino compatible board Together with a friend we already created an Arduino compatible board.
8 × Custom PCB Designed in Eagle (quick and dirty design)
24 × 74HC595 shift register Electronic Components / Misc. Electronic Components
32 × 0603 220 ohm resistor array Resistor
24 × 0805 1k ohm resistor Resistor