 void loop()
 {
   // Search for alarms
+  ledPin.toggle();
   OWI::Driver dev(&owi);
   int8_t last = OWI::Driver::FIRST;
   do {

    trace << dev << endl;
  } while (last != OWI::Driver::LAST);
  trace << endl;
  
  // Sleep awhile before checking again
  SLEEP(2);

// Use the builtin led for a heartbeat
OutputPin ledPin(Board::LED);

// One-wire pin
#if defined(__ARDUINO_TINY__)
OWI owi(Board::D1);
#else
