void setup() {
  // put your setup code here, to run once:
  pinMode(6, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(3, OUTPUT);
  Serial.begin(115200);
}

void loop() {
  // put your main code here, to run repeatedly:
  Serial.println("Led ON RED !!!");
  analogWrite(6, 255);
  delay(3000);
  Serial.println("Led OFF RED !!!");
  analogWrite(6, LOW);

Serial.println("Led ON GREEN !!!");
  digitalWrite(5, 255);
  delay(3000);
  Serial.println("Led OFF GREEN !!!");
  digitalWrite(5, LOW);

Serial.println("Led ON BLUE !!!");
  digitalWrite(3, 255);
  delay(3000);
  Serial.println("Led OFF BLUE !!!");
  digitalWrite(3, LOW);

  
}