int rgbNum1 = 0;
int rgbNum2 = 0;
int rgbNum3 = 0;

void setup() {
  // put your setup code here, to run once:
 pinMode(11, OUTPUT);
 pinMode(10, OUTPUT);
 pinMode(9, OUTPUT);
}


void loop() {
  // put your main code here, to run repeatedly:
  if (analogRead(A1)<= 255){
   analogWrite(11, rgbNum1);
   rgbNum1 = rgbNum1 +5;
  } else if (analogRead(A1)>= 255) {
    rgbNum1 = 0;
  }
  
   if (analogRead(A2)<= 255){
   analogWrite(10, rgbNum2);
   rgbNum2 = rgbNum2 +5;
  } else if (analogRead(A2)>= 255) {
    rgbNum2 = 0;
  }
   
   if (analogRead(A3)<= 255){
   analogWrite(9, rgbNum3);
   rgbNum3 = rgbNum3 +5;
  } else if (analogRead(A3)>= 255) {
    rgbNum3 = 0;
  }
  
  
  
  
   delay(50);
}