Quantity   Component name
1 × Raspberry Pi
1 × 7 segment display matrix An old exchange rate sign for the protoytype
2 × Lit missile switches For turning off the display and toggling the alarm
1 × Lit rotary encoder For menu navigation
1 × 5 way selector swich for changing the mode
2 × Ribbon cable one for the display, another for the rotary encoder
1 × RTC keeping track of time while the Pi is off
1 × DHT22 or simmilar Temperature and humidity sensor