Introduction: Fur Elise With Flashing Lights

By plus.google.com/1129762182519314

In this tutorial, you will learn to use a Piezo speaker or a buzzer and some LEDs to create a flashing lights display while Fur Elise plays. It will help to learn how to use a breadboard , and you will encounter upload errors, so Arduino support should be able to help you.

Step 1: Materials

For this project, you will need:

- 14 LEDs

- >25 connectors

- 1 piezo or buzzer

- Breadboard

- Arduino Uno R3

Step 2: Assembly

To assemble the circuit, begin by placing the Arduino next to the breadboard, both "portrait style" and connecting any ground to the "-" portion of the board. Then, place LEDs with the [longer] anode lead in holes 1, 3, 5, 7, 9, 11 and 13 in both the 'd' row and in the 'i' row. This will use 14 LEDs. Connect the first LED in the 'i' row to pin 13 on the Arduino, then follow with the second LED in the 'i' row to pin 12 and the third to pin 11. Next, connect the fourth to pin 6, the fifth to pin 9, the sixth to pin 8, and the seventh LED to pin 7. Between the two rows of LEDs bridge the gap between the two as shown in the diagram. Then, on each 'i' row LED, connect jumpers from the ''-'' row to the LED cathodes. Place the piezo or buzzer anywhere you want it and connect the ground to the side with no marking and connect pin 10 to the side with a "+" marking. Now your circuit is ready to program.

Step 3: Programming

Connect the Arduino to the USB port so it can be programmed. Then upload the code from the next step to the Arduino.

Step 4: The Code

Then, copy and paste the following code to the Arduino:

Please let me know if you encounter problems with the code.


const int LED = 13;  //led to pin 13
const int LEDa = 12;
const int LEDb = 11;
const int LEDc = 6;
const int LEDe = 9;
const int LEDf = 8;
const int LEDg = 7;
void setup() {
  pinMode(10, OUTPUT);
    pinMode(LED, OUTPUT);
   pinMode(LEDa, OUTPUT);
    pinMode(LEDb, OUTPUT);//pin 11 as an output
     pinMode(LEDc, OUTPUT);
      pinMode(LEDe, OUTPUT);
       pinMode(LEDf, OUTPUT);
        pinMode(LEDg, OUTPUT);
       
}
void loop() {
  
  // play e4
  delay(600);
  tone(10, 329.63, 300);
  delay(350);
  // play d4# 
  tone(10, 311.13, 300);
  delay(350);
  // play e4
  tone( 10, 329.63, 300);
  delay(350);
  // play d4# 
  tone( 10,311.13, 300);
  delay(350);
  // play e4
  tone(10, 329.63, 300);
  delay(350);
  // play b3
  tone( 10, 246.94, 300);
  delay(400);
  // play d4
  tone(10, 293.66,300);
  delay(400);
  // play c4
  tone(10, 261.63,300);
  delay(400);
  // play a3
  tone(10, 220, 900);
  delay(1000);
  digitalWrite(LED, HIGH); delay(40);//set led to high, delay 40ms
   digitalWrite(LEDa, HIGH); delay(40);
     digitalWrite(LEDb, HIGH);   delay(40);
       digitalWrite(LEDc, HIGH); delay(40);
         digitalWrite(LEDe, HIGH); delay(40);
           digitalWrite(LEDf, HIGH); delay(40);
             digitalWrite(LEDg, HIGH); 
 delay(40);
 digitalWrite(LED, LOW);//turn led off, delay 40 ms
 delay(40);
digitalWrite(LEDa, LOW);
delay(40);
 digitalWrite(LEDb, LOW);
 delay(40);
  digitalWrite(LEDc, LOW);
 delay(40);
  digitalWrite(LEDe, LOW);
 delay(40);
  digitalWrite(LEDf, LOW);
 delay(40);
  digitalWrite(LEDg, LOW);
 delay(40);
  // play d3
  tone(10,146.83, 300);
  delay(350);
  //play f3
  tone(10, 174.61, 300);
  delay(400);
  //play a3
  tone(10, 220, 300);
  delay(400);
  // play b3
  tone(10, 246.94, 900);
  delay(1000);
  digitalWrite(LED, HIGH); delay(40);//set led to high, delay 40ms
   digitalWrite(LEDa, HIGH); delay(40);
     digitalWrite(LEDb, HIGH);   delay(40);
       digitalWrite(LEDc, HIGH); delay(40);
         digitalWrite(LEDe, HIGH); delay(40);
           digitalWrite(LEDf, HIGH); delay(40);
             digitalWrite(LEDg, HIGH); 
 delay(40);
 digitalWrite(LED, LOW);//turn led off, delay 40 ms
 delay(40);
digitalWrite(LEDa, LOW);
delay(40);
 digitalWrite(LEDb, LOW);
 delay(40);
  digitalWrite(LEDc, LOW);
 delay(40);
  digitalWrite(LEDe, LOW);
 delay(40);
  digitalWrite(LEDf, LOW);
 delay(40);
  digitalWrite(LEDg, LOW);
 delay(40);
  // play e3
  tone(10, 164.81, 300);
  delay(400);
  // play g3#
  tone(10, 207.65, 300);
  delay(400);
  // play b3
  tone(10, 246.94, 300);
  delay(400);
  // play c4
  tone(10, 261.63, 900);
  delay(1000);
  delay(300);
  digitalWrite(LED, HIGH); delay(40);//set led to high, delay 40ms
   digitalWrite(LEDa, HIGH); delay(40);
     digitalWrite(LEDb, HIGH);   delay(40);
       digitalWrite(LEDc, HIGH); delay(40);
         digitalWrite(LEDe, HIGH); delay(40);
           digitalWrite(LEDf, HIGH); delay(40);
             digitalWrite(LEDg, HIGH); 
 delay(40);
 digitalWrite(LED, LOW);//turn led off, delay 40 ms
 delay(40);
digitalWrite(LEDa, LOW);
delay(40);
 digitalWrite(LEDb, LOW);
 delay(40);
  digitalWrite(LEDc, LOW);
 delay(40);
  digitalWrite(LEDe, LOW);
 delay(40);
  digitalWrite(LEDf, LOW);
 delay(40);
  digitalWrite(LEDg, LOW);
 delay(40);
 //play e3
 tone(10,164.81, 300);
 delay(400); 
  // play e4
  tone(10, 329.63, 300);
  delay(400);
  // play d4#
  tone(10, 311.13, 300);
  delay(400);
  // play e4
  tone(10, 329.63, 300);
  delay(400);
  // play d4#
  tone(10, 311.13, 300);
  delay(400);
  // play e4
  tone(10, 329.63, 300);
  delay(400);
  // play b3
  tone(10, 246.94, 300);
  delay(400);
  // play d4
  tone(10, 293.66, 300);
  delay(400);
  // play c4
  tone(10, 261.63, 300);
  delay(400);
  // play a3
  tone(10, 220, 900);
  delay(1000);
  digitalWrite(LED, HIGH); delay(40);//set led to high, delay 40ms
   digitalWrite(LEDa, HIGH); delay(40);
     digitalWrite(LEDb, HIGH);   delay(40);
       digitalWrite(LEDc, HIGH); delay(40);
         digitalWrite(LEDe, HIGH); delay(40);
           digitalWrite(LEDf, HIGH); delay(40);
             digitalWrite(LEDg, HIGH); 
 delay(40);
 digitalWrite(LED, LOW);//turn led off, delay 40 ms
 delay(40);
digitalWrite(LEDa, LOW);
delay(40);
 digitalWrite(LEDb, LOW);
 delay(40);
  digitalWrite(LEDc, LOW);
 delay(40);
  digitalWrite(LEDe, LOW);
 delay(40);
  digitalWrite(LEDf, LOW);
 delay(40);
  digitalWrite(LEDg, LOW);
 delay(40);
  // play d3
  tone(10, 146.83, 300);
  delay(400);
  // play f3
  tone(10, 174.61, 300);
  delay(400);
  // play a3
  tone(10, 220, 300);
  delay(400);
  // play b3
  tone(10, 246.94, 900);
  delay(1000);
  digitalWrite(LED, HIGH); delay(40);//set led to high, delay 40ms
   digitalWrite(LEDa, HIGH); delay(40);
     digitalWrite(LEDb, HIGH);   delay(40);
       digitalWrite(LEDc, HIGH); delay(40);
         digitalWrite(LEDe, HIGH); delay(40);
           digitalWrite(LEDf, HIGH); delay(40);
             digitalWrite(LEDg, HIGH); 
 delay(40);
 digitalWrite(LED, LOW);//turn led off, delay 40 ms
 delay(40);
digitalWrite(LEDa, LOW);
delay(40);
 digitalWrite(LEDb, LOW);
 delay(40);
  digitalWrite(LEDc, LOW);
 delay(40);
  digitalWrite(LEDe, LOW);
 delay(40);
  digitalWrite(LEDf, LOW);
 delay(40);
  digitalWrite(LEDg, LOW);
 delay(40);
  // play f3
  tone(10, 174.61, 300);
  delay(400);
  // play c4
  tone(10, 261.63, 300);
  delay(400);
  // play b3
  tone(10, 246.94, 300);
  delay(400);
  // play a3
  tone(10, 220, 900);
  delay(1000);
  digitalWrite(LED, HIGH); delay(40);//set led to high, delay 40ms
   digitalWrite(LEDa, HIGH); delay(40);
     digitalWrite(LEDb, HIGH);   delay(40);
       digitalWrite(LEDc, HIGH); delay(40);
         digitalWrite(LEDe, HIGH); delay(40);
           digitalWrite(LEDf, HIGH); delay(40);
             digitalWrite(LEDg, HIGH); 
 delay(40);
 digitalWrite(LED, LOW);//turn led off, delay 40 ms
 delay(40);
digitalWrite(LEDa, LOW);
delay(40);
 digitalWrite(LEDb, LOW);
 delay(40);
  digitalWrite(LEDc, LOW);
 delay(40);
  digitalWrite(LEDe, LOW);
 delay(40);
  digitalWrite(LEDf, LOW);
 delay(40);
  digitalWrite(LEDg, LOW);
 delay(40);
  // play b3
  tone(10,246.94, 300);
  delay(400);
   // play c4
  tone(10, 261.63, 300);
  delay(400);
  // play d4
  tone(10, 293.66, 300);
  delay(400);
  // play e4
  tone(10, 329.63, 900);
  delay(1000);
  digitalWrite(LED, HIGH); delay(40);//set led to high, delay 40ms
   digitalWrite(LEDa, HIGH); delay(40);
     digitalWrite(LEDb, HIGH);   delay(40);
       digitalWrite(LEDc, HIGH); delay(40);
         digitalWrite(LEDe, HIGH); delay(40);
           digitalWrite(LEDf, HIGH); delay(40);
             digitalWrite(LEDg, HIGH); 
 delay(40);
 digitalWrite(LED, LOW);//turn led off, delay 40 ms
 delay(40);
digitalWrite(LEDa, LOW);
delay(40);
 digitalWrite(LEDb, LOW);
 delay(40);
  digitalWrite(LEDc, LOW);
 delay(40);
  digitalWrite(LEDe, LOW);
 delay(40);
  digitalWrite(LEDf, LOW);
 delay(40);
  digitalWrite(LEDg, LOW);
 delay(40);
  // play g3
  tone(10, 196, 300);
  delay(400);
  // play f4
  tone(10, 349.23, 300);
  delay(400);
  //play e4
  tone(10, 329.23, 300);
  delay(400);
  // play d4
  tone(10, 293.63, 900);
  delay(1000);
  digitalWrite(LED, HIGH); delay(40);//set led to high, delay 40ms
   digitalWrite(LEDa, HIGH); delay(40);
     digitalWrite(LEDb, HIGH);   delay(40);
       digitalWrite(LEDc, HIGH); delay(40);
         digitalWrite(LEDe, HIGH); delay(40);
           digitalWrite(LEDf, HIGH); delay(40);
             digitalWrite(LEDg, HIGH); 
 delay(40);
 digitalWrite(LED, LOW);//turn led off, delay 40 ms
 delay(40);
digitalWrite(LEDa, LOW);
delay(40);
 digitalWrite(LEDb, LOW);
 delay(40);
  digitalWrite(LEDc, LOW);
 delay(40);
  digitalWrite(LEDe, LOW);
 delay(40);
  digitalWrite(LEDf, LOW);
 delay(40);
  digitalWrite(LEDg, LOW);
 delay(40);
  // play e3
  tone(10,164.81, 300);
  delay(400);
  // play e4
  tone(10, 329.63, 300);
  delay(400);
  // play d4
  tone(10, 293.63, 300);
  delay(400);
  // play c4
  
  tone(10, 261.63, 900);
  delay(1000);
  digitalWrite(LED, HIGH); delay(40);//set led to high, delay 40ms
   digitalWrite(LEDa, HIGH); delay(40);
     digitalWrite(LEDb, HIGH);   delay(40);
       digitalWrite(LEDc, HIGH); delay(40);
         digitalWrite(LEDe, HIGH); delay(40);
           digitalWrite(LEDf, HIGH); delay(40);
             digitalWrite(LEDg, HIGH); 
 delay(40);
 digitalWrite(LED, LOW);//turn led off, delay 40 ms
 delay(40);
digitalWrite(LEDa, LOW);
delay(40);
 digitalWrite(LEDb, LOW);
 delay(40);
  digitalWrite(LEDc, LOW);
 delay(40);
  digitalWrite(LEDe, LOW);
 delay(40);
  digitalWrite(LEDf, LOW);
 delay(40);
  digitalWrite(LEDg, LOW);
 delay(40);
  // play d3
  tone(10, 146.83, 300);
  delay(400);
    // play d4
  tone(10, 293.63, 300);
  delay(400);
  // play c4
  tone(10, 261.63, 300);
  delay(400);
  // play b3
  tone(10, 246.94, 900);
  delay(1000);
  delay(400);
  digitalWrite(LED, HIGH); delay(40);//set led to high, delay 40ms
   digitalWrite(LEDa, HIGH); delay(40);
     digitalWrite(LEDb, HIGH);   delay(40);
       digitalWrite(LEDc, HIGH); delay(40);
         digitalWrite(LEDe, HIGH); delay(40);
           digitalWrite(LEDf, HIGH); delay(40);
             digitalWrite(LEDg, HIGH); 
 delay(40);
 digitalWrite(LED, LOW);//turn led off, delay 40 ms
 delay(40);
digitalWrite(LEDa, LOW);
delay(40);
 digitalWrite(LEDb, LOW);
 delay(40);
  digitalWrite(LEDc, LOW);
 delay(40);
  digitalWrite(LEDe, LOW);
 delay(40);
  digitalWrite(LEDf, LOW);
 delay(40);
  digitalWrite(LEDg, LOW);
 delay(40);
  // play e4
  tone(10, 329.63, 300);
  delay(400);
  // play d4# 
  tone(10, 311.13, 300);
  delay(350);
  // play e4
  tone( 10, 329.63, 300);
  delay(350);
  // play d4# 
  tone( 10,311.13, 300);
  delay(350);
  // play e4
  tone(10, 329.63, 300);
  delay(350);
  // play b3
  tone( 10, 246.94, 300);
  delay(400);
  // play d4
  tone(10, 293.66,300);
  delay(400);
  // play c4
  tone(10, 261.63,300);
  delay(400);
  // play a3
  tone(10, 220, 900);
  delay(1000);
  digitalWrite(LED, HIGH); delay(40);//set led to high, delay 40ms
   digitalWrite(LEDa, HIGH); delay(40);
     digitalWrite(LEDb, HIGH);   delay(40);
       digitalWrite(LEDc, HIGH); delay(40);
         digitalWrite(LEDe, HIGH); delay(40);
           digitalWrite(LEDf, HIGH); delay(40);
             digitalWrite(LEDg, HIGH); 
 delay(40);
 digitalWrite(LED, LOW);//turn led off, delay 40 ms
 delay(40);
digitalWrite(LEDa, LOW);
delay(40);
 digitalWrite(LEDb, LOW);
 delay(40);
  digitalWrite(LEDc, LOW);
 delay(40);
  digitalWrite(LEDe, LOW);
 delay(40);
  digitalWrite(LEDf, LOW);
 delay(40);
  digitalWrite(LEDg, LOW);
 delay(40);
  // play d3
  tone(10,146.83, 300);
  delay(350);
  //play f3
  tone(10, 174.61, 300);
  delay(400);
  //play a3
  tone(10, 220, 300);
  delay(400);
  // play b3
  
  tone(10, 246.94, 900);
  delay(1000);
  digitalWrite(LED, HIGH); delay(40);//set led to high, delay 40ms
   digitalWrite(LEDa, HIGH); delay(40);
     digitalWrite(LEDb, HIGH);   delay(40);
       digitalWrite(LEDc, HIGH); delay(40);
         digitalWrite(LEDe, HIGH); delay(40);
           digitalWrite(LEDf, HIGH); delay(40);
             digitalWrite(LEDg, HIGH); 
 delay(40);
 digitalWrite(LED, LOW);//turn led off, delay 40 ms
 delay(40);
digitalWrite(LEDa, LOW);
delay(40);
 digitalWrite(LEDb, LOW);
 delay(40);
  digitalWrite(LEDc, LOW);
 delay(40);
  digitalWrite(LEDe, LOW);
 delay(40);
  digitalWrite(LEDf, LOW);
 delay(40);
  digitalWrite(LEDg, LOW);
 delay(40);
  // play e3
  tone(10, 164.81, 300);
  delay(400);
  // play g#3
  tone(10, 207.65, 300);
  delay(400);
  // play b3
  tone(10, 246.94, 300);
  delay(400);
  // play c4
  tone(10, 261.63, 900);
  delay(1000);
  delay(300);
  digitalWrite(LED, HIGH); delay(40);//set led to high, delay 40ms
   digitalWrite(LEDa, HIGH); delay(40);
     digitalWrite(LEDb, HIGH);   delay(40);
       digitalWrite(LEDc, HIGH); delay(40);
         digitalWrite(LEDe, HIGH); delay(40);
           digitalWrite(LEDf, HIGH); delay(40);
             digitalWrite(LEDg, HIGH); 
 delay(40);
 digitalWrite(LED, LOW);//turn led off, delay 40 ms
 delay(40);
digitalWrite(LEDa, LOW);
delay(40);
 digitalWrite(LEDb, LOW);
 delay(40);
  digitalWrite(LEDc, LOW);
 delay(40);
  digitalWrite(LEDe, LOW);
 delay(40);
  digitalWrite(LEDf, LOW);
 delay(40);
  digitalWrite(LEDg, LOW);
 delay(40);
 //play e3
 tone(10, 164.81, 300);
 delay(400);
  // play e4
  tone(10, 329.63, 300);
  delay(400);
  // play d4#
  tone(10, 311.13, 300);
  delay(400);
  // play e4
  tone(10, 329.63, 300);
  delay(400);
  // play d4#
  tone(10, 311.13, 300);
  delay(400);
  // play e4
  tone(10, 329.63, 300);
  delay(400);
  // play b3
  tone(10, 246.94, 300);
  delay(400);
  // play d4
  tone(10, 293.66, 300);
  delay(400);
  // play c4
  tone(10, 261.63, 300);
  delay(400);
  // play a3
  tone(10, 220, 900);
  delay(1000);
  digitalWrite(LED, HIGH); delay(40);//set led to high, delay 40ms
   digitalWrite(LEDa, HIGH); delay(40);
     digitalWrite(LEDb, HIGH);   delay(40);
       digitalWrite(LEDc, HIGH); delay(40);
         digitalWrite(LEDe, HIGH); delay(40);
           digitalWrite(LEDf, HIGH); delay(40);
             digitalWrite(LEDg, HIGH); 
 delay(40);
 digitalWrite(LED, LOW);//turn led off, delay 40 ms
 delay(40);
digitalWrite(LEDa, LOW);
delay(40);
 digitalWrite(LEDb, LOW);
 delay(40);
  digitalWrite(LEDc, LOW);
 delay(40);
  digitalWrite(LEDe, LOW);
 delay(40);
  digitalWrite(LEDf, LOW);
 delay(40);
  digitalWrite(LEDg, LOW);
 delay(40);
  // play d3
  tone(10, 146.83, 300);
  delay(400);
  // play f3
  tone(10, 174.61, 300);
  delay(400);
  // play a3
  tone(10, 220, 300);
  delay(400);
   // play b3
  tone(10, 246.94, 900);
  delay(1000);
  digitalWrite(LED, HIGH); delay(40);//set led to high, delay 40ms
   digitalWrite(LEDa, HIGH); delay(40);
     digitalWrite(LEDb, HIGH);   delay(40);
       digitalWrite(LEDc, HIGH); delay(40);
         digitalWrite(LEDe, HIGH); delay(40);
           digitalWrite(LEDf, HIGH); delay(40);
             digitalWrite(LEDg, HIGH); 
 delay(40);
 digitalWrite(LED, LOW);//turn led off, delay 40 ms
 delay(40);
digitalWrite(LEDa, LOW);
delay(40);
 digitalWrite(LEDb, LOW);
 delay(40);
  digitalWrite(LEDc, LOW);
 delay(40);
  digitalWrite(LEDe, LOW);
 delay(40);
  digitalWrite(LEDf, LOW);
 delay(40);
  digitalWrite(LEDg, LOW);
 delay(40);
 
  // play f3
  tone(10, 174.61, 300);
  delay(400);
  // play c4
  tone(10, 261.63, 300);
  delay(400);
  // play b3
  tone(10, 246.94, 300);
  delay(400);
  // play a3
  tone(10, 220, 900);
  delay(1000);
  
digitalWrite(LED, HIGH); delay(40);//set led to high, delay 40ms
   digitalWrite(LEDa, HIGH); delay(40);
     digitalWrite(LEDb, HIGH);   delay(40);
       digitalWrite(LEDc, HIGH); delay(40);
         digitalWrite(LEDe, HIGH); delay(40);
           digitalWrite(LEDf, HIGH); delay(40);
             digitalWrite(LEDg, HIGH); 
 delay(40);
 digitalWrite(LED, LOW);//turn led off, delay 40 ms
 delay(40);
digitalWrite(LEDa, LOW);
delay(40);
 digitalWrite(LEDb, LOW);
 delay(40);
  digitalWrite(LEDc, LOW);
 delay(40);
  digitalWrite(LEDe, LOW);
 delay(40);
  digitalWrite(LEDf, LOW);
 delay(40);
  digitalWrite(LEDg, LOW);
 delay(40);
}
[/code]

Step 5: The End

I hope you enjoyed this tutorial. Now, you have a new appreciation for the integrated circuits inside of singing cards. You also have a gadget that plays Fur Elise and flashes lights.

Step 6: Additional Code:

If you want your lights to flash and sing Happy Birthday, upload the following code when your Arduino is plugged into the USB port.

//code runs flashing wave LEDS and buzzer buzzes 'happy birthday'
const int LED = 13;  //led to pin 13
const int LEDa = 12;
const int LEDb = 11;
const int LEDc = 6;
const int LEDe = 9;
const int LEDf = 8;
const int LEDg = 7;
const int buzzer = 10; //buzzer to arduino pin 9
void setup()
{
  pinMode(LED, OUTPUT);
   pinMode(LEDa, OUTPUT);
    pinMode(LEDb, OUTPUT);//pin 11 as an output
     pinMode(LEDc, OUTPUT);
      pinMode(LEDe, OUTPUT);
       pinMode(LEDf, OUTPUT);
        pinMode(LEDg, OUTPUT);
       
 
  pinMode(buzzer, OUTPUT); // Set buzzer - pin 9 as an output
}
void loop(){
 
  tone(buzzer, 261.6); // Send 1KHz sound signal...
  delay(300);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec 
  tone(buzzer, 261.6); // Send 1KHz sound signal...
  delay(100);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec
 tone(buzzer, 293.665); // Send 1KHz sound signal...
  delay(400);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec
    tone(buzzer, 261.6); // Send 1KHz sound signal...
  delay(400);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec
 tone(buzzer, 349.23); // Send 1KHz sound signal...
  delay(400);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec
tone(buzzer, 329.63); // Send 1KHz sound signal...
  delay(800);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec
  
 digitalWrite(LED, HIGH); delay(40);//set led to high, delay 40ms
   digitalWrite(LEDa, HIGH); delay(40);
     digitalWrite(LEDb, HIGH);   delay(40);
       digitalWrite(LEDc, HIGH); delay(40);
         digitalWrite(LEDe, HIGH); delay(40);
           digitalWrite(LEDf, HIGH); delay(40);
             digitalWrite(LEDg, HIGH); 
 delay(40);
 digitalWrite(LED, LOW);//turn led off, delay 40 ms
 delay(40);
digitalWrite(LEDa, LOW);
delay(40);
 digitalWrite(LEDb, LOW);
 delay(40);
  digitalWrite(LEDc, LOW);
 delay(40);
  digitalWrite(LEDe, LOW);
 delay(40);
  digitalWrite(LEDf, LOW);
 delay(40);
  digitalWrite(LEDg, LOW);
 delay(40);
tone(buzzer, 261.6); // Send 1KHz sound signal...
  delay(300);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec 
  tone(buzzer, 261.6); // Send 1KHz sound signal...
  delay(100);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec
 tone(buzzer, 293.665); // Send 1KHz sound signal...
  delay(400);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec
    tone(buzzer, 261.6); // Send 1KHz sound signal...
  delay(400);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec
 tone(buzzer, 392); // Send 1KHz sound signal...
  delay(400);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec
tone(buzzer, 349.23); // Send 1KHz sound signal...
  delay(800);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec
  digitalWrite(LED, HIGH); delay(40);
   digitalWrite(LEDa, HIGH); delay(40);
     digitalWrite(LEDb, HIGH);   delay(40);
       digitalWrite(LEDc, HIGH); delay(40);
         digitalWrite(LEDe, HIGH); delay(40);
           digitalWrite(LEDf, HIGH); delay(40);
             digitalWrite(LEDg, HIGH); 
 delay(40);
 digitalWrite(LED, LOW);
 delay(40);
digitalWrite(LEDa, LOW);
delay(40);
 digitalWrite(LEDb, LOW);
 delay(40);
  digitalWrite(LEDc, LOW);
 delay(40);
  digitalWrite(LEDe, LOW);
 delay(40);
  digitalWrite(LEDf, LOW);
 delay(40);
  digitalWrite(LEDg, LOW);
 delay(40);
 
  tone(buzzer,261.63); // Send 1KHz sound signal...
  delay(300);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec 
  tone(buzzer,261.63 ); // Send 1KHz sound signal...
  delay(100);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec
 tone(buzzer, 523.25); // Send 1KHz sound signal...
  delay(400);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec
    tone(buzzer, 440); // Send 1KHz sound signal...
  delay(400);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec
 tone(buzzer, 349.23); // Send 1KHz sound signal...
  delay(400);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec
tone(buzzer, 329.63); // Send 1KHz sound signal...
  delay(400);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec
      tone(buzzer, 293.66); // Send 1KHz sound signal...
  delay(400);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec
     digitalWrite(LED, HIGH); delay(40);
   digitalWrite(LEDa, HIGH); delay(40);
     digitalWrite(LEDb, HIGH);   delay(40);
       digitalWrite(LEDc, HIGH); delay(40);
         digitalWrite(LEDe, HIGH); delay(40);
           digitalWrite(LEDf, HIGH); delay(40);
             digitalWrite(LEDg, HIGH); 
 delay(40);
 digitalWrite(LED, LOW);
 delay(40);
digitalWrite(LEDa, LOW);
delay(40);
 digitalWrite(LEDb, LOW);
 delay(40);
  digitalWrite(LEDc, LOW);
 delay(40);
  digitalWrite(LEDe, LOW);
 delay(40);
  digitalWrite(LEDf, LOW);
 delay(40);
  digitalWrite(LEDg, LOW);
 tone(buzzer,466.16); // Send 1KHz sound signal...
  delay(300);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec
  
tone(buzzer, 466.16); // Send 1KHz sound signal...
  delay(100);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 
     tone(buzzer, 440); // Send 1KHz sound signal...
  delay(400);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec
  tone(buzzer, 349.23); // Send 1KHz sound signal...
  delay(400);        // ...for 1 sec
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec
   digitalWrite(LED, HIGH); delay(40);
   digitalWrite(LEDa, HIGH); delay(40);
     digitalWrite(LEDb, HIGH);   delay(40);
       digitalWrite(LEDc, HIGH); delay(40);
         digitalWrite(LEDe, HIGH); delay(40);
           digitalWrite(LEDf, HIGH); delay(40);
             digitalWrite(LEDg, HIGH); 
 delay(40);
 digitalWrite(LED, LOW);
 delay(40);
digitalWrite(LEDa, LOW);
delay(40);
 digitalWrite(LEDb, LOW);
 delay(40);
  digitalWrite(LEDc, LOW);
 delay(40);
  digitalWrite(LEDe, LOW);
 delay(40);
  digitalWrite(LEDf, LOW);
 delay(40);
  digitalWrite(LEDg, LOW);
 delay(40);
  tone(buzzer, 392); 
  delay(400);        
  noTone(buzzer);     
  delay(200);       
 tone(buzzer, 349.23); 
  delay(1000);        
  noTone(buzzer);     // Stop sound...
  delay(200);        // ...for 1sec
}
LED Contest 2017

Participated in the
LED Contest 2017

Arduino Contest 2017

Participated in the
Arduino Contest 2017

Design For Kids Challenge

Participated in the
Design For Kids Challenge

Epilog Challenge 9

Participated in the
Epilog Challenge 9