Quantity   Component name
1 × ATmega 1284 CPU (DIP40)
1 × Arduino Nano
1 × USB to serial interface
2 × Arduino Uno female headers
1 × 16 MHz quartz
2 × 22 pF capacitors
1 × 100 uF capacitor
1 × 10k resistor
1 × PS/2 keyboard female connector
8 × M3 nuts & bolts