Multicolored Light Fringe Device

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Introduction: Multicolored Light Fringe Device

About: Hello My name is Prayag Nao.I am a tech enthusiastic person who does not follow reality,instead I create reality.I am sharing some project with you.I hope you will like them.

Hello everyone

all of you have ever heard about light fringes or you must have done some practical on it in your college/school.as we know fringes are made by the interference of light from as a result we get maxima and minima.These maxima and minima are called fringes.

Today we are going to make a finger maker device from very basic materials.i hope you will like it.lets start....

Step 1: Things You Will Need..........

=> A cardboard box(you can use any material's box).

=> A cutter.

Buy from here:

http://www.ebay.in/itm/ACRYLIC-CUTTER-WITH-3BLADES...

=> A cello tap.

=> An aluminum foil.

Buy from here:

http://www.ebay.in/itm/FOOD-PACKING-ALUMINIUM-FOIL...

=> An Arduino UNO.

Buy from here:

http://www.mouser.com/new/arduino/arduino-uno/

=> A Bluetooth module(HC-05).

Buy from here:

http://www.rhydolabz.com/wireless-bluetooth-ble-c-...

=> An RGB LED module.

Buy from here

https://www.sunfounder.com/rgb-led-module.html

=> Some male to female connecting wires.

=> A pen (Transparent recommend because it will never absorb any light) .

=> A power source (I am using my MacBook as the power source ,you can use anything).

Step 2: Step-1

=>Firstly remove refill of pen and cover whole the pen with aluminum foil except both openings.

=> now make a rectangular hole and a circular hole of the size of Arduino power connector and pen respectively as shown in pictures.

=> Now insert LED module's LED into back opening of the pen as shown in pictures and fix it with the help of tape.

=> Now insert the pen into the circular hole as shown picture and fix it with tape.

Step 3: Connections...

=>Now just connect Bluetooth and RGB LED module to Arduino Uno as shown in the figure.

Connections..........

Arduino Rx => Bluetooth Tx

Arduino Tx => Bluetooth Rx

Arduino 5v => Bluetooth VCC

Arduino GND => Bluetooth GND

Arduino pin 2 => LED R

Arduino pin 3 => LED G

Arduino pin 4 => LED B

Arduino GND => LED GND

Step 4: Programming......

=> Open Arduino IDE,if you don't have you can download from here

https://www.arduino.cc/

=> Now copy and paste this program into Arduino IDE and upload to Arduino or you can download code from here.

https://drive.google.com/open?id=0B4OACSDu386YX3RB...

void setup() {
Serial.begin(9600);

pinMode(2, OUTPUT);

pinMode(3, OUTPUT);

pinMode(4, OUTPUT);

digitalWrite(2,LOW);

digitalWrite(3,LOW);

digitalWrite(4,LOW); }

void loop() {

while (Serial.available())

{

char c=(char)

Serial.read();

Serial.write(c);

delay(300);

if(c=='R')

{

digitalWrite(2,HIGH);

digitalWrite(3,LOW);

digitalWrite(4,LOW);

}

if(c=='W')

{ digitalWrite(2,HIGH);

digitalWrite(3,HIGH);

digitalWrite(4,HIGH);

}

if(c=='B')

{

digitalWrite(2,LOW);

digitalWrite(3,LOW);

digitalWrite(4,HIGH); }

if(c=='G') {

digitalWrite(2,LOW);

digitalWrite(3,HIGH);

digitalWrite(4,LOW); }

if(c=='o') {

digitalWrite(2,LOW);

digitalWrite(3,LOW);

digitalWrite(4,LOW); }

if(c=='O') {

digitalWrite(2,HIGH);

digitalWrite(3,HIGH);

digitalWrite(4,HIGH);

}

}

}

Step 5: Mobile App

You don't need to worry about app development. Just download the app from given link below

(If you want to develop app then comments below i will send you app code).

https://drive.google.com/open?id=0B4OACSDu386YMEVs...

Step 6: Final Step

Just close the box and connect Arduino to the power source and pair Bluetooth HC-05 with app and enjoy.....

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