   ledPin.toggle();
   outdoors.convert_request();
   indoors.read_scratchpad();
-  print_temperature_P(PSTR("indoors = "), &indoors);
+  print_temperature_P(PSTR("indoors = "), indoors);
   ledPin.toggle();
   SLEEP(1);
 

  ledPin.toggle();
  basement.convert_request();
  outdoors.read_scratchpad();
  print_temperature_P(PSTR(", outdoors = "), &outdoors);
  ledPin.toggle();
  SLEEP(1);


OutputPin ledPin(Board::LED);

// Print the current temperature reading
void print_temperature_P(const char* prefix, DS18B20& thermometer)
{
  FixedPoint temp(thermometer.get_temperature(), 4);
  int16_t integer = temp.get_integer();
  uint16_t fraction = temp.get_fraction(4);
  trace << prefix << integer << '.';
