arduino-fridge-powercontrol/main/main.ino

#include "ArduinoJson.h"

#include <OneWire.h>
#include <DallasTemperature.h>

// Data wire is conntec to the Arduino digital pin 4
#define ONE_WIRE_BUS 2
#define MOSFET 3
// Setup a oneWire instance to communicate with any OneWire devices
OneWire oneWire(ONE_WIRE_BUS);

// Pass our oneWire reference to Dallas Temperature sensor 
DallasTemperature sensors(&oneWire);



int analogPin = 2;
int data = 0;
char userInput;
char* commandVer;
float tempSensor1;
float tempSensor2;
float HTemp1 = 12.0;
float HTemp2;
float LTemp1 = 10.0;
float LTemp2;
// countLowTemp
int cLTemp1 = 0;
int cLTemp2 = 0;
// countHighTemp
int cHTemp1 = 0;
int cHTemp2 = 0;
// loops to count temp before switching state
int cTemp = 5;

void setup() {
  // put your setup code here, to run once:
  pinMode(MOSFET, OUTPUT);
 
  Serial.begin(9600);
  sensors.begin();
}

void loop() {
  // put your main code here, to run repeatedly:

//if(Serial.available()>0) {

  sensors.requestTemperatures(); 
  Serial.print("Sens 1 ");  
  Serial.print("Celsius temperature: ");
  // Why "byIndex"? You can have more than one IC on the same bus. 0 refers to the first IC on the wire
  Serial.print(sensors.getTempCByIndex(0)); 
  Serial.print(" - Fahrenheit temperature: ");
  Serial.println(sensors.getTempFByIndex(0));
  
  tempSensor1 = sensors.getTempCByIndex(0);
  if(tempSensor1 > HTemp1) {
    digitalWrite(MOSFET, HIGH);
  } else if(tempSensor1 < LTemp1) {
    digitalWrite(MOSFET, LOW);
  }
  

  /*
  digitalWrite(MOSFET, HIGH);
  delay(2000);
  digitalWrite(MOSFET, LOW);
  delay(2000);
  */
  delay(1000);
//  }
  
}