Multicolored LED Stream with Buzzer

Create a fast LED stream that goes back and forward while interfacing with buzzer!

Jun 19, 2020

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3 respects

lights

led

kids

Devices & Components

Arduino Uno Rev3

ELEGOO 130pcs Solderless Flexible Breadboard Jumper Wires 4 Different Lengths Male To Male

5 mm LED: Yellow

Active Buzzer

LED, Blue

Breadboard (generic)

5 mm LED: Red

5 mm LED: Green

Software & Tools

Arduino Web Editor

Arduino IDE

Project description

Code

MulticoloredLEDStreamWithBuzzer.ino

c_cpp

Copy and paste this into the IDE

1//Digital Pins/Variables
2int blueLED1 = 2; //Blue LED to Pin 2
3int   yellowLED2 = 3; //Yellow LED to Pin 3
4int greenLED3 = 4; //Green LED to Pin 4
5int   redLED4 = 5; //Red LED to pin 5
6int buzzer = 6; //Buzzer to pin 6
7
8void   setup() { //Setup Code
9  
10  pinMode(blueLED1, OUTPUT); //Blue LED as output
11   pinMode(yellowLED2, OUTPUT); //Yellow LED as output
12  pinMode(greenLED3, OUTPUT);   //Green LED as output
13  pinMode(redLED4, OUTPUT); //Red LED as output
14  pinMode(buzzer,   OUTPUT); //Buzzer as output
15  digitalWrite(buzzer, HIGH); //Turn Buzzer on
16
17}
18
19void   loop() { //Loop code
20
21  digitalWrite(blueLED1, HIGH); //Blue led on
22  delay(50);   //wait for 1/25 of a second
23  digitalWrite(blueLED1, LOW); //Blue led off
24   digitalWrite(yellowLED2, HIGH); //Yellow led on
25  delay(50); //wait for 1/25   of a second
26  digitalWrite(yellowLED2, LOW); //Yellow led off
27  digitalWrite(greenLED3,   HIGH); //Green led on
28  delay(50); //wait for 1/25 of a second
29  digitalWrite(greenLED3,   LOW); //Green led off
30  digitalWrite(redLED4, HIGH); //Red led on
31  delay(50);   //wait for 1/25 of a second
32  digitalWrite(redLED4, LOW); //Red led off
33  digitalWrite(greenLED3,   HIGH); //Green led on
34  delay(50); //wait for 1/25 of a second
35  digitalWrite(greenLED3,   LOW); //Green led off
36  digitalWrite(yellowLED2, HIGH); //Yellow led on
37  delay(50);   //wait for 1/25 of a second
38  digitalWrite(yellowLED2, LOW); //Yellow led off
39   
40}
41

//Digital Pins/Variables
int blueLED1 = 2; //Blue LED to Pin 2
int   yellowLED2 = 3; //Yellow LED to Pin 3
int greenLED3 = 4; //Green LED to Pin 4
int   redLED4 = 5; //Red LED to pin 5
int buzzer = 6; //Buzzer to pin 6

void   setup() { //Setup Code
  
  pinMode(blueLED1, OUTPUT); //Blue LED as output
   pinMode(yellowLED2, OUTPUT); //Yellow LED as output
  pinMode(greenLED3, OUTPUT);   //Green LED as output
  pinMode(redLED4, OUTPUT); //Red LED as output
  pinMode(buzzer,   OUTPUT); //Buzzer as output
  digitalWrite(buzzer, HIGH); //Turn Buzzer on

}

void   loop() { //Loop code

  digitalWrite(blueLED1, HIGH); //Blue led on
  delay(50);   //wait for 1/25 of a second
  digitalWrite(blueLED1, LOW); //Blue led off
   digitalWrite(yellowLED2, HIGH); //Yellow led on
  delay(50); //wait for 1/25   of a second
  digitalWrite(yellowLED2, LOW); //Yellow led off
  digitalWrite(greenLED3,   HIGH); //Green led on
  delay(50); //wait for 1/25 of a second
  digitalWrite(greenLED3,   LOW); //Green led off
  digitalWrite(redLED4, HIGH); //Red led on
  delay(50);   //wait for 1/25 of a second
  digitalWrite(redLED4, LOW); //Red led off
  digitalWrite(greenLED3,   HIGH); //Green led on
  delay(50); //wait for 1/25 of a second
  digitalWrite(greenLED3,   LOW); //Green led off
  digitalWrite(yellowLED2, HIGH); //Yellow led on
  delay(50);   //wait for 1/25 of a second
  digitalWrite(yellowLED2, LOW); //Yellow led off
   
}

MulticoloredLEDStreamWithBuzzer.ino

c_cpp

Copy and paste this into the IDE

1//Digital Pins/Variables
2int blueLED1 = 2; //Blue LED to Pin 2
3int  yellowLED2 = 3; //Yellow LED to Pin 3
4int greenLED3 = 4; //Green LED to Pin 4
5int  redLED4 = 5; //Red LED to pin 5
6int buzzer = 6; //Buzzer to pin 6
7
8void  setup() { //Setup Code
9  
10  pinMode(blueLED1, OUTPUT); //Blue LED as output
11  pinMode(yellowLED2, OUTPUT); //Yellow LED as output
12  pinMode(greenLED3, OUTPUT);  //Green LED as output
13  pinMode(redLED4, OUTPUT); //Red LED as output
14  pinMode(buzzer,  OUTPUT); //Buzzer as output
15  digitalWrite(buzzer, HIGH); //Turn Buzzer on
16
17}
18
19void  loop() { //Loop code
20
21  digitalWrite(blueLED1, HIGH); //Blue led on
22  delay(50);  //wait for 1/25 of a second
23  digitalWrite(blueLED1, LOW); //Blue led off
24  digitalWrite(yellowLED2, HIGH); //Yellow led on
25  delay(50); //wait for 1/25  of a second
26  digitalWrite(yellowLED2, LOW); //Yellow led off
27  digitalWrite(greenLED3,  HIGH); //Green led on
28  delay(50); //wait for 1/25 of a second
29  digitalWrite(greenLED3,  LOW); //Green led off
30  digitalWrite(redLED4, HIGH); //Red led on
31  delay(50);  //wait for 1/25 of a second
32  digitalWrite(redLED4, LOW); //Red led off
33  digitalWrite(greenLED3,  HIGH); //Green led on
34  delay(50); //wait for 1/25 of a second
35  digitalWrite(greenLED3,  LOW); //Green led off
36  digitalWrite(yellowLED2, HIGH); //Yellow led on
37  delay(50);  //wait for 1/25 of a second
38  digitalWrite(yellowLED2, LOW); //Yellow led off
39  
40}
41

//Digital Pins/Variables
int blueLED1 = 2; //Blue LED to Pin 2
int  yellowLED2 = 3; //Yellow LED to Pin 3
int greenLED3 = 4; //Green LED to Pin 4
int  redLED4 = 5; //Red LED to pin 5
int buzzer = 6; //Buzzer to pin 6

void  setup() { //Setup Code
  
  pinMode(blueLED1, OUTPUT); //Blue LED as output
  pinMode(yellowLED2, OUTPUT); //Yellow LED as output
  pinMode(greenLED3, OUTPUT);  //Green LED as output
  pinMode(redLED4, OUTPUT); //Red LED as output
  pinMode(buzzer,  OUTPUT); //Buzzer as output
  digitalWrite(buzzer, HIGH); //Turn Buzzer on

}

void  loop() { //Loop code

  digitalWrite(blueLED1, HIGH); //Blue led on
  delay(50);  //wait for 1/25 of a second
  digitalWrite(blueLED1, LOW); //Blue led off
  digitalWrite(yellowLED2, HIGH); //Yellow led on
  delay(50); //wait for 1/25  of a second
  digitalWrite(yellowLED2, LOW); //Yellow led off
  digitalWrite(greenLED3,  HIGH); //Green led on
  delay(50); //wait for 1/25 of a second
  digitalWrite(greenLED3,  LOW); //Green led off
  digitalWrite(redLED4, HIGH); //Red led on
  delay(50);  //wait for 1/25 of a second
  digitalWrite(redLED4, LOW); //Red led off
  digitalWrite(greenLED3,  HIGH); //Green led on
  delay(50); //wait for 1/25 of a second
  digitalWrite(greenLED3,  LOW); //Green led off
  digitalWrite(yellowLED2, HIGH); //Yellow led on
  delay(50);  //wait for 1/25 of a second
  digitalWrite(yellowLED2, LOW); //Yellow led off
  
}

Downloadable files

Circuit Schematic

Digital IO pins are color coded based off of the color of the LED pin

Circuit Schematic

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