Etch-A-Jer Arduino - One Knob

int knob0;
//int knob1;

void setup() {
  // initialize the serial communication:
  Serial.begin(9600);
}

void loop() {
 knob0=analogRead(A0);
 //knob1=analogRead(A1);
 
  Serial.print(knob0);
 // Serial.print(",");
 // Serial.println(knob1);  
 

  delay(.2);
}