Rotary Switch Example Code

const int pin10 = 2; 
const int pin9 = 3;
const int pin8 = 4; 
const int pin7 = 5;
const int pin6 = 6; 
const int pin5 = 7;
const int pin4 = 8; 
const int pin3 = 9;
const int pin2 = 10; 
const int pin1 = 11;
const int ledPin = 13;


void setup() {
  Serial.begin(9600);
  pinMode(pin10, INPUT);
  pinMode(pin1, INPUT);
  pinMode(ledPin, OUTPUT);
}

void loop() {
  int rotary10=digitalRead(pin10);
  int rotary9 =digitalRead(pin9);
  int rotary8=digitalRead(pin8);
  int rotary7 =digitalRead(pin7);
  int rotary6=digitalRead(pin6);
  int rotary5 =digitalRead(pin5);
  int rotary4=digitalRead(pin4);
  int rotary3 =digitalRead(pin3);
  int rotary2=digitalRead(pin2);
  int rotary1 =digitalRead(pin1);
  
  Serial.print("Pin One: ");
  Serial.println(rotary1);
  Serial.print("Pin 10: ");
  Serial.println(rotary10);
  if (rotary10 == HIGH) {
    digitalWrite(ledPin, HIGH);
  } else if (rotary10==LOW){ 
    digitalWrite (ledPin, LOW);
    }
  
  delay(2000);
  
}