const int ledPinW= 3;
const int ledPinB= 5;
const int ledPinG= 6;
const int Pot= A0;
int potVal;


void setup() {
  // put your setup code here, to run once:
pinMode (ledPinW, OUTPUT);
pinMode (ledPinB, OUTPUT);
pinMode (ledPinG, OUTPUT);
pinMode (Pot, INPUT);
Serial. begin (9600);
}

void loop() {
  // put your main code here, to run repeatedly:
potVal= analogRead (Pot);
potVal= map (potVal, 0, 1023, 0, 200);
analogWrite(ledPinW, potVal);
analogWrite(ledPinB, potVal);
analogWrite(ledPinG, potVal);

}