int qizilLED = 11;
int yashilLED = 10;
int kokLED = 9;
int signal = A0;

 void setup() { 
pinMode(qizilLED, OUTPUT);
pinMode(yashilLED, OUTPUT);
pinMode(kokLED, OUTPUT);
pinMode(signal, INPUT);
Serial.begin(9600);
}

 void loop() { 
  signal = analogRead(A0);
  Serial.println(signal);
  delay(10);
  if (0<signal && signal<100){
    rang (255, 0, 0); 
  }
  if (100<signal && signal<200){
    rang (0, 255, 0); /*gren*/
    delay(500);
  }
  if (200<signal && signal<300){
    rang (0, 0, 255);/*blue*/
    delay(500); 
  }
  if (300<signal && signal<400){
    rang (255, 255, 0);/*yellov*/
    delay(500); 
  } 
  if (400<signal && signal<500){
    rang (0, 255, 255);/*cyan*/
    delay(500); 
  } 
  if (500<signal && signal<600){
    rang (255, 0, 255);/*magental*/
    delay(500); 
  } 
  if (600<signal && signal<700){
    rang (255, 255, 255);/*white*/
    delay(500); 
  } 
  else{
   rang (0, 0, 0);
  }
 }
void rang (int R, int G, int B){
 analogWrite(qizilLED, R); 
 analogWrite(yashilLED, G);
 analogWrite(kokLED, B);
}