void setup() {

  // put your setup code here, to run once:

pinMode(11, OUTPUT);

pinMode(10, OUTPUT);

pinMode(9, OUTPUT);

pinMode(A1, INPUT);

pinMode(A2, INPUT);

pinMode(A3, INPUT);


}

 

void loop() {

  // put your main code here, to run repeatedly:

 

analogWrite(11, map(analogRead(A1), 0, 1024, 0, 255));

analogWrite(10, map(analogRead(A2), 0, 1024, 0, 255));

analogWrite(9, map(analogRead(A3), 0, 1024, 0, 255));

}