Quantity   Component name
1 × 20x4 LCD
1 × Toggle Switch with Cover
1 × Piezo Speaker
1 × Key Switch
1 × 12 Button Keypad
5 × Momentary Buttons
6 × LEDs Electronic Components / Misc. Electronic Components
1 × Arduino
1 × Raspberry Pi
1 × 10k Potentiometer
2 × 5V regulator
1 × 3.3/5 Logic Level converter
1 × Raspberry Pi Wifi dongle
1 × Materials required for an enclosure
1 × Keypad