Light Sensor using Arduino Nano

I wanted the LED strip mounted behind my 55" LED TV to turn on according to the room ambient light level.

Component List:-
1) SMD 5050 LED Strip http://alan.sg/5050LED
2) Relay Module http://alan.sg/RELAYMODULE
3) LUX Sensor BH1750 http://alan.sg/BH1750
4) Arduino Nano http://alan.sg/ARDUINONANO