Power Saving Automatic Room Light Control

Components Details () {
Solderless Breadboard,
Arduino Uno,
ultrasonic sensor hc-sr04 x 2,
16×2 LCD Display,
100R Resistor,
4.7k Resistor,
1k Resistor,
1-Channel 5v Relay Module,
Male to Male Jumper Wires,
Male to Female jumper Wires,
Bulb Holder,
220v LED Bulb,
5v 2Amp Power Adapter
}