thermalFlash2.ino

 

#include <Wire.h>
#include <Adafruit_MLX90614.h>

Adafruit_MLX90614 mlx = Adafruit_MLX90614();



double thresholdTemp = 30;
float threshold=1;


// Pin 13 has an LED connected on most Arduino boards.
// give it a name:
int led = 8;
int delayLevel=200;

// the setup routine runs once when you press reset:
void setup() {                
  // initialize the digital pin as an output.
  pinMode(led, OUTPUT);     
  DDRB |= (1<<1);
  DDRB |= (1<<3);
  
  mlx.begin();  
  
}

// the loop routine runs over and over again forever:
void loop() {
  
  delay(1000);
  Serial.print("Ambient = "); Serial.print(mlx.readAmbientTempC()); 
  Serial.print("*C\tObject = "); Serial.print(mlx.readObjectTempC()); Serial.println("*C");
  Serial.print("Ambient = "); Serial.print(mlx.readAmbientTempF()); 
  Serial.print("*F\tObject = "); Serial.print(mlx.readObjectTempF()); Serial.println("*F");


  Serial.println();
  
  float objectTemp = mlx.readObjectTempC();
  float ambientTemp = mlx.readAmbientTempC();

  float ambientMin=ambientTemp-threshold;
  float ambientMax=ambientTemp+threshold;
  
  if (objectTemp >= ambientMax) {
    turnOffColors();
    digitalWrite(led, HIGH); // RED
    Serial.println("Above.\n");
  }
  if ((objectTemp < ambientMax) && (objectTemp >= ambientMin)){
    turnOffColors();
    PORTB |= (1<<3); // GREEN
    Serial.println("Mid.\n");
  }
  if (objectTemp < ambientMin){
    turnOffColors();
    PORTB |= (1<<1); // BLUE
    
    Serial.println("Below.\n");
  }
  
  
}

void turnOffColors() {
  
  digitalWrite(led, LOW); 
  PORTB &= ~(1<<3);
  PORTB &= ~(1<<1);
  
}