int r = 11;
int g = 10;
int b = 9;
void setup() {
  Serial.begin(9600);

}

void loop() {
  int vr = analogRead(A0);
  int mapvr = map(vr,0,1023,0,255);
  Serial.println(mapvr);
  analogWrite(r,mapvr);
  delay(500);
  analogWrite(g,mapvr);
  delay(500);
  analogWrite(b,mapvr);
  delay(500);

}