   if (_pinLedRx != 0xff) pinMode(_pinLedRx, OUTPUT);
   if (_pinLedTx != 0xff) pinMode(_pinLedTx, OUTPUT);
 
-  setupSupplyPins();
+  pinMode(_pinProbeSupply, OUTPUT);
 
   // Force a transmit on next read
   memset(_previousReads, 0xff, sizeof(_previousReads));

// Digital pins for LEDs, 0xff to disable
const unsigned char _pinLedRx = 0xff;
const unsigned char _pinLedTx = 0xff; //9
// Digital pins used for sourcing power to the probe dividers
const unsigned char _pinProbeSupplyBase = 4;
// Percentage (integer) of VCC where the battery is considered low (33% = 1.1V)
#define BATTERY_LOW_PCT 33
// Number of seconds to keep the "recent/new" bit set

  ADCSRA &= ~bit(ADEN);

  _tempReadLast = millis();
}

void setup(void)
