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Hi there! Today we are going to make a Smart Emergency Door Light. What will be the task? So you know, in the subway stations, Shopping Centers etc. have emergency doors and they are always open. So they are spending a lot of energy and money. Okey, What did i do? I made 'spend less energy' and of course 'Striking' exit door light.

How will we provide it?

1-We are going to use a Ldr module for surrounding light amount. When room is dark, Exit light will open.

2-If rooms' bright is high exit lights are turn down.

This Is A Very Easy Project!! Let's start..

Step 1: Cardboards;

We made it with cardboards. You can with everything. Every letter is 6 cm to 12 cm (except I). After that we

need a led strip. I hadn't got led strip and I made own my led strip with 7 led.

Step 2: Connections With Arduino;

Led strip to Arduino;

Vcc = 5V

GND = GND

LDR to Arduino;

- = GND

V = 5v

Output = A0

I used a 3.7v 350mah battery for Arduino. ı connected 3.7v to 5v pin and Gnd to Gnd. You also can connect batteries directly to Arduino (except bigger than 5V s).

Step 3: Code;

You can download the code from this link;

https://drive.google.com/open?id=0B6EUM2JQFzOhOUMx...

PLEASE FOLLOW ME AND VOTE MY PROJECTS FOR MORE USEFUL PROJECTS..:) THANK YOU:)

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