Quantity   Component name
1 × Arduino Uno
1 × 16X2 LCD
1 × I2C module for 16x2 lcd
1 × LM339 comparator Op-amp ic
1 × 330ohm, 150ohm resistor
2 × 0.1uf(104) capacitor
1 × breadboard Electronic Components / Misc. Electronic Components
1 × jumper wires