int red=7;
int green=6;
int blue=5;
int redPotpin=A0;
int greenPotpin=A1;
int bluePotpin=A2;
int redPotvolt;
int greenPotvolt;
int bluePotvolt;
int redVal;
int greenVal;
int blueVal;
void setup() {
  // put your setup code here, to run once:
  pinMode(red,OUTPUT);
  pinMode(green,OUTPUT);
  pinMode(blue,OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  redPotvolt=analogRead(redPotpin);
  greenPotvolt=analogRead(greenPotpin);
  bluePotvolt=analogRead(bluePotpin);

  redVal=(255./1023)*redPotvolt;
  greenVal=(255./1023)*greenPotvolt;
  blueVal=(255./1023)*bluePotvolt;

  analogWrite(red,redVal);
  analogWrite(green,greenVal);
  analogWrite(blue,blueVal);
}