float average(int anaPin) {
  int lecturas = 10;
  long total = 0;
  float average = 0;
  for(int i=0; i<lecturas; i++)
  {
    //delay(1);
    total = total + analogRead(anaPin);
  }
  average = (float)total / lecturas;  
  return(average);
}

int decimal(float temp)
{
  return((int)((temp-(int)(temp))*100));
}

void writeEEPROM(int deviceaddress, unsigned int eeaddress, byte data ) {
  Wire.beginTransmission(deviceaddress);
  Wire.write((int)(eeaddress >> 8));   // MSB
  Wire.write((int)(eeaddress & 0xFF)); // LSB
  Wire.write(data);
  Wire.endTransmission();
  delay(4);
}

byte readEEPROM(int deviceaddress, unsigned int eeaddress ) {
  byte rdata = 0xFF;
  Wire.beginTransmission(deviceaddress);
  Wire.write((int)(eeaddress >> 8));   // MSB
  Wire.write((int)(eeaddress & 0xFF)); // LSB
  Wire.endTransmission();
  Wire.requestFrom(deviceaddress,1);
  while (!Wire.available()); rdata = Wire.read();
  //if (Wire.available()); rdata = Wire.read();
  return rdata;
}

float mapfloat(long x, long in_min, long in_max, long out_min, long out_max)
{
  return (float)(x - in_min) * (out_max - out_min) / (float)(in_max - in_min) + out_min;
}