Quantity   Component name
4 × arcade joystick
24 × generic arcade button
1 × Teensy++ 2.0 board
1 × red backlighted arcade button
1 × green backlighted arcade button
1 × blue backlighted arcade button
1 × yellow retroiluminated arcade button
1 × white backlighted arcade button
1 × buzzer
1 × resistor 1k ohm
48 × 1N5819 diode