  #define LED3       6
  #define LED4       7
 #endif // USE_LEDS
+
+// local prototypes
+extern int availableMemory();
+extern void printAddress(DeviceAddress);
+extern void printResolution(DeviceAddress);
 
 // Data wire is plugged into port 2 on the Arduino
 #define ONE_WIRE_BUS 2

// https://github.com/milesburton/Arduino-Temperature-Control-Library
// http://milesburton.com/Main_Page?title=Dallas_Temperature_Control_Library
// Note:
// The library archive is not well formated and has to be renamed into DallasTemperature
//
// DS18B20       +-------+
//               |       |

//

// debug via serial interface
#define DEBUG
// scan sensors (to inquire addresses)
#define SCAN_SENSORS
// read temperature sensors
