#include <math.h>
const int PULLUP_RES = 10000; // in Ohm( 20kOm )
const double BETA = 3950; // in K for Semitec 104 GTA-2
const double THERMISTOR_RES = 10000; // in Ohm
const double THERMISTOR_NOM_TEMP = 25; // Celsius, C

int greenLED = D0;
int yellowLED = D1;
int redLED = D2;
int blueLED = D6;
int start = Time.minute();

void setup()
{
  pinMode(greenLED, OUTPUT);
  pinMode(redLED, OUTPUT);
  pinMode(yellowLED, OUTPUT);
  pinMode(blueLED, OUTPUT);
  digitalWrite(greenLED, LOW);
  digitalWrite(yellowLED, LOW);
  digitalWrite(redLED, LOW);
  digitalWrite(blueLED, LOW);
}
void loop()
{
 thermister_temp(analogRead(4));
 delay(10000);
}
void thermister_temp(int aval) {
  double R, T;
  R = (double) PULLUP_RES / ( (4095 / (double) aval ) - 1 );

  T = 1 / ( ( 1 / (THERMISTOR_NOM_TEMP + 273.15 )) + ( ( 1 / BETA) * log ( R / THERMISTOR_RES ) ) );

  T -= 273.15; // converting to C from K

 // return degrees C
 //Particle.publish("Temperature", String(T) + " °C");
   if (38 <= T && T <= 43) { //Celsius temperatures
     Particle.publish("Temperature", "Ready");
     digitalWrite(blueLED, HIGH);
     delay(10000);
     digitalWrite(blueLED, LOW);
      }

   if (start <= Time.minute() && Time.minute() <= start + 3) {
     digitalWrite(greenLED, HIGH); }
   if (start+3 < Time.minute() && Time.minute() <= start + 6){
     digitalWrite(greenLED, LOW);
     digitalWrite(yellowLED, HIGH); }
   if (start + 6 < Time.minute()){
     digitalWrite(yellowLED, LOW);
     digitalWrite(redLED, HIGH); }
}