 
 void dropConnector() {
   // send out message that we're going to drop a connector
-  char c = 254;
+  char c = DROPPING_CONNECTOR;
   for (int i=0; i<3; i++) bus[i]->write(c);
   
   // pick random connector to drop

          for (int j=0; j<3; j++) if (j!=i) bus[j]->write(c);
        }
        break;
      case 254: // some connector in the network is dropped
        // relax alert state and timer
        removeTimer(alertTimer);
        alertState = false;

#define leds1pin 11
#define leds2pin 3
#define button1pin 4

#define ENERGY 0
#define DROPPING_CONNECTOR 254
#define ALERT 255

SoftwareSerialWithHalfDuplex* bus[3];

