 
         // send indicators report
         report_indicators();
+
+        
+        // switch to default reference (5V on Arduino Uno/Leonardo)
+        analogReference(DEFAULT);
+
+        // discard the first ADC conversion
+        analogRead(A11);
 
 
         // send timestamp

    // }

    // switch to precise reference (2.56V)
    analogReference(INTERNAL);

    // Arduino Leonardo has some difficulties entering in bootloarder upload mode
    // if it is sending data to serial in loop() preventing firmware update without

// Voltage Divider (for battery levels)
const float BAT_RK = (BAT_R1 + BAT_R2) / BAT_R2;

// Allegro ACS715 0A to 30A     (using 2.56V ADC ref)
//const float ACS715_CONV = ADC_INTERNAL_MV / ACS715_MVA;         // Amps per ADC level

// Allegro ACS715 0A to 30A     (using 5.00V ADC ref)
const float ACS715_CONV = ADC_DEFAULT_MV / ACS715_MVA;          // Amps per ADC level

// Allegro ACS714 current sensor
//const int ACS_ZERO = (int) 2500 / ADC_INTERNAL_MV;            // ADC reading for 2.5V (~ 1007)
