LM35

check.ino

#define BAUD 9600
 
class LM35 {
  private:
    byte pin;
    unsigned int reading;
   
  public:
    LM35(byte pin){
      pin = pin;
    }
 
    void begin(void){
      pinMode(pin, INPUT);
    }
   
    double getTemperature(void){
      reading = analogRead(pin);
      return (reading / 9.31);
    }
   
};
 
//LM35 temp_sensor1(0);
LM35 temp_sensor2(1);
 
void setup(){
  analogReference(INTERNAL);
  Serial.begin(BAUD);
  //temp_sensor1.begin();
  temp_sensor2.begin();
  //Add as many as you want
}
 
void loop(){
  //Serial.println("First sensor: " + String(temp_sensor1.getTemperature()) + "\n");
  Serial.println("Second sensor: " + String(temp_sensor2.getTemperature()) + "\n");
 
}