Smart Home Automation using Arduino

Sensing The Surrounding’s Light using LDR :(value 0 -1023):

• 0 -------------Light Intensity Lower
• 1023 --------Light Intensity Higher
• High Intensity outside (~1023) -----Bulb with low intensity (~0)
• Low Intensity Outside (~0)-----Bulb with high intensity (~255)
• PWM Signal to LED (Bulb) (Value 0-255)

Schematics:

Setup:

Testing:

video.1.mp4

• When LDR has low intensity(dark), LED Bulb fully lights up!

• When LDR receive high intensity Light(sun), the LED bulb dims down!