SECUENCIAL DIODES

MATERIALS

  • ArduinoUNO
  • Breadboard
  • Jumperwires
  • Arduino USB cable
  • 4 LEDS
  • 4 Resistors (220 Ohms)
  • A computer with Arduino IDE


BREADBOARD ASSEMBLY


SCHEME




CODE


// Secuencial turning on of 4 LEDs
int ledPin1 = 2; // Declare the LED´s outputs
int ledPin2 = 3;
int ledPin3 = 4;
int ledPin4 = 5;
void setup() 
{        // Configure the OUTPUTs
pinMode(ledPin1, OUTPUT); // declare LEDs as OUTPUTS
pinMode(ledPin2, OUTPUT);
pinMode(ledPin3, OUTPUT);
pinMode(ledPin4, OUTPUT);
digitalWrite(ledPin1, LOW); // Turn off the LEDs
digitalWrite(ledPin2, LOW);
digitalWrite(ledPin3, LOW);
digitalWrite(ledPin4, LOW);
}
void loop()
{          //Working loop
digitalWrite(ledPin1, HIGH); // Turn the LEDs on and off delaying 200 ms
delay(200);
digitalWrite(ledPin1, LOW);
digitalWrite(ledPin2, HIGH);
delay(200);
digitalWrite(ledPin2, LOW);
digitalWrite(ledPin3, HIGH);
delay(200);
digitalWrite(ledPin3, LOW);
digitalWrite(ledPin4, HIGH);
delay(200);
digitalWrite(ledPin4, LOW);
}

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