Street Light

Street lights are designed to switch on automatically when it is dark and switch off when there is light so as to save energy.

Step 1: MATERIALS REQUIRED

1)BREADBOARD

2)LDR

3)LED

4)ARDUINO

5)RESISTORS(2)

6)JUMPERS

Step 2: SCHEMATICS

Step 3: ARDUINO CODE

Step 4: DEMO

LEFT SIDE IMAGE SHOWS THAT LDR IS BLOCKED FROM ROOM LIGHT.SO THAT LED WILL GLOW.

RIGHT SIDE IMAGE SHOWS THAT LDR IS NOT BLOCKED FROM ROOM LIGHT .SO THAT LED WILL NOT GLOW.

Step 5:

LED IS OFF WHEN ROOM LIGHT IS ON

Step 6:

LED IS ON WHEN ROOM LIGHT IS OFF