arduino включване на двигател и нагревател(машина за инвертиран сироп)

#include <OneWire.h>
#include <DallasTemperature.h>
#define ONE_WIRE_BUS 2
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

int pin_nagrevatel=12;
int pin_motor=11;
float temp_low=26;
int temp_find=27;

int inputserial;

// the setup routine runs once when you press reset:
void setup() {
// initialize the digital pin as an output.
Serial.begin(9600);
pinMode(pin_nagrevatel, OUTPUT);
pinMode(pin_motor, OUTPUT);

sensors.begin();
}

// the loop routine runs over and over again forever:
void loop() {

sensors.requestTemperatures(); // Send the command to get temperatures
float temp1 = sensors.getTempCByIndex(0);

//Kontrol na whodnite komandi
while( Serial.available() > 0 )
{
inputserial = Serial.read();
Serial.println(inputserial);

switch( inputserial)
{
case 48://0
delay (1000);
Serial.println(temp1);
delay (1000);

break;
case 49://1
digitalWrite(pin_nagrevatel, HIGH);
Serial.println(„Nagrewatel ON „);
break;
case 50://2
digitalWrite(pin_nagrevatel, LOW);
Serial.println(„Nagrewatel OFF „);
break;

case 51://3
digitalWrite(pin_motor, HIGH);
Serial.println(„Motor ON „);
break;

case 52://4
digitalWrite(pin_motor, LOW);
Serial.println(„Motor OFF „);
break;

};

}//End of while( Serial.available() > 0 )

}