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creepy, spooky, flickering light

Step 1: The Story

in horror movies, you know things are about to get really scary when all of a sudden the lights start to flicker. i had seen a few instructables about spooky lights, but none of them really caught my interest. so, i wrote my own code that i feel is, not necessarily better, but just more my style.

Step 2: What You Need

1, Arduino Pro Mini

1, 6v wall wart

2, 1w leds

a few, jump wires

ALSO

soldering iron

solder

flux pen (if you chose)

shrink wrap

and something to house everything (i used a very unconventional method so its your choice)

Step 3: Upload the Code

// this sketch has a 12 second pause before the flicker that will run in a loop without the 12 second pause coming back around in the loop.

// this sketch will work with any arduino, however it is best with the pro mini.

// connect the led positive to pin 9 and the ground to any ground.

int ledPin = 9;

void setup() { pinMode(ledPin, OUTPUT);

digitalWrite(ledPin, HIGH); // long on pause for led on delay(12000);

}

void loop() {

digitalWrite(ledPin, LOW);

delay(220);

digitalWrite(ledPin, HIGH); // led on

delay(30);

digitalWrite(ledPin, LOW);

delay(50);

digitalWrite(ledPin, HIGH); // led on

delay(10);

digitalWrite(ledPin, LOW);

delay(35);

digitalWrite(ledPin, HIGH); // led on

delay(30);

digitalWrite(ledPin, LOW);

delay(10);

digitalWrite(ledPin, HIGH); // led on

delay(30);

digitalWrite(ledPin, LOW);

delay(15);

digitalWrite(ledPin, HIGH); // led on

delay(45);

digitalWrite(ledPin, LOW);

delay(220);

digitalWrite(ledPin, HIGH); // led on

delay(40);

digitalWrite(ledPin, LOW);

delay(30);

digitalWrite(ledPin, HIGH); // led on

delay(35);

digitalWrite(ledPin, LOW);

delay(10);

digitalWrite(ledPin, HIGH); // led on

delay(50);

digitalWrite(ledPin, LOW);

delay(35);

digitalWrite(ledPin, HIGH); // led on

delay(50);

digitalWrite(ledPin, LOW);

delay(30);

digitalWrite(ledPin, HIGH); // led on

delay(20);

digitalWrite(ledPin, LOW);

delay(50);

digitalWrite(ledPin, HIGH); // led on

delay(10);

digitalWrite(ledPin, LOW);

delay(60);

digitalWrite(ledPin, HIGH); // led on

delay(445);

digitalWrite(ledPin, LOW);

delay(15);

digitalWrite(ledPin, HIGH); // led on

delay(35);

digitalWrite(ledPin, LOW);

delay(30);

digitalWrite(ledPin, HIGH); // led on

delay(45);

digitalWrite(ledPin, LOW);

delay(30);

digitalWrite(ledPin, HIGH); // led on

delay(20);

digitalWrite(ledPin, LOW);

delay(50);

digitalWrite(ledPin, HIGH); // led on................

delay(510);

digitalWrite(ledPin, LOW);

delay(60);

digitalWrite(ledPin, HIGH); // led on

delay(45);

digitalWrite(ledPin, LOW);

delay(15);

digitalWrite(ledPin, HIGH); // led on

delay(35);

digitalWrite(ledPin, LOW);

delay(30);

digitalWrite(ledPin, HIGH); // led on

delay(45);

digitalWrite(ledPin, LOW); //

delay(160);

digitalWrite(ledPin, HIGH); // led on

delay(20);

digitalWrite(ledPin, LOW);

delay(50);

digitalWrite(ledPin, HIGH); // led on

delay(10);

digitalWrite(ledPin, LOW);

delay(60);

digitalWrite(ledPin, HIGH); // led on

delay(45);

digitalWrite(ledPin, LOW);

delay(15);

digitalWrite(ledPin, HIGH); // led on

delay(35);

digitalWrite(ledPin, LOW);

delay(30);

digitalWrite(ledPin, HIGH); // led on

delay(45);

digitalWrite(ledPin, LOW);

delay(60);

digitalWrite(ledPin, HIGH); // led on

delay(40);

digitalWrite(ledPin, LOW);

delay(50);

digitalWrite(ledPin, HIGH); // led on

delay(10);

digitalWrite(ledPin, LOW);

delay(45);

digitalWrite(ledPin, HIGH); // led on

delay(550);

digitalWrite(ledPin, LOW);

delay(20);

digitalWrite(ledPin, HIGH); // led on

delay(30);

digitalWrite(ledPin, LOW);

delay(50);

digitalWrite(ledPin, HIGH); // led on

delay(10);

digitalWrite(ledPin, LOW);

delay(35);

digitalWrite(ledPin, HIGH); // led on

delay(30);

digitalWrite(ledPin, LOW);

delay(10);

digitalWrite(ledPin, HIGH); // led on

delay(30);

digitalWrite(ledPin, LOW);

delay(15);

digitalWrite(ledPin, HIGH); // led on

delay(45);

digitalWrite(ledPin, LOW);

delay(20);

digitalWrite(ledPin, HIGH); // led on

delay(40);

digitalWrite(ledPin, LOW);

delay(30);

digitalWrite(ledPin, HIGH); // led on

delay(35);

digitalWrite(ledPin, LOW);

delay(10);

digitalWrite(ledPin, HIGH); // led on

delay(50);

digitalWrite(ledPin, LOW);

delay(35);

digitalWrite(ledPin, HIGH); // led on

delay(50);

digitalWrite(ledPin, LOW);

delay(30);

digitalWrite(ledPin, HIGH); // led on

delay(20);

digitalWrite(ledPin, LOW);

delay(50);

digitalWrite(ledPin, HIGH); // led on

delay(10);

digitalWrite(ledPin, LOW);

delay(60);

digitalWrite(ledPin, HIGH); // led on

delay(45);

digitalWrite(ledPin, LOW);

delay(15);

digitalWrite(ledPin, HIGH); // led on

delay(35);

digitalWrite(ledPin, LOW);

delay(30);

digitalWrite(ledPin, HIGH); // led on

delay(45);

digitalWrite(ledPin, LOW);

delay(60);

digitalWrite(ledPin, LOW);

delay(30);

digitalWrite(ledPin, HIGH); // led on

delay(20);

digitalWrite(ledPin, LOW);

delay(50);

digitalWrite(ledPin, HIGH); // led on

delay(10);

digitalWrite(ledPin, LOW);

delay(60);

digitalWrite(ledPin, HIGH); // led on

delay(45);

digitalWrite(ledPin, LOW);

delay(15);

digitalWrite(ledPin, HIGH); // led on

delay(35);

digitalWrite(ledPin, LOW);

delay(30);

digitalWrite(ledPin, HIGH); // led on

delay(45);

digitalWrite(ledPin, LOW);

delay(60);

digitalWrite(ledPin, LOW);

delay(30);

digitalWrite(ledPin, HIGH); // led on

delay(20);

digitalWrite(ledPin, LOW);

delay(50);

digitalWrite(ledPin, HIGH); // led on

delay(10);

digitalWrite(ledPin, LOW);

delay(60);

digitalWrite(ledPin, HIGH); // led on

delay(45);

digitalWrite(ledPin, LOW);

delay(15);

digitalWrite(ledPin, HIGH); // led on

delay(35);

digitalWrite(ledPin, LOW);

delay(30);

digitalWrite(ledPin, HIGH); // led on

delay(45);

digitalWrite(ledPin, LOW);

delay(60);

digitalWrite(ledPin, HIGH); // led on

delay(40);

digitalWrite(ledPin, LOW);

delay(50);

digitalWrite(ledPin, HIGH); // led on

delay(10);

digitalWrite(ledPin, LOW);

delay(45);

digitalWrite(ledPin, HIGH); // led on

delay(50);

digitalWrite(ledPin, LOW);

delay(60);

}

Step 4: Wiring

Be sure to upload the code first, just to be sure there aren't any issues.

The Leds positive will be placed on the 9 pin, then the negative to the positive of the second Led, and then the negative to ground on the Arduino.

Also connect the RAW, and VCC together with the 6v power input.

Step 5: Enjoy

at this point you have a bench model that works. the housing and application of this circuit is up to you.

if you have any additions or improvements that you see could be made, feel free to put them in the comments below.

<p>Great project for Halloween. If you get a chance, please post some more pictures of the final set up. </p>

About This Instructable

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License:

Bio: im learning as i go but i am basically a jack of all trades.
More by Nolan Cash:Haunted House Spooky Light 
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