      Serial.print(sfeedp);Serial.print("\t");
      //Serial.print(" Drops: "); 
      Serial.print(totaldrops);Serial.print("\t");
-     //Serial.print(" Volume (L): ");
+     //Serial.print(" Volume (mL): ");
      Serial.print(totalvol);Serial.print("\t");
      //Serial.print(" FlowRate (mL/min): ");
      Serial.println(flowrate);}

     timeold = millis();
     totaldrops = totaldropsold + dropcount;
     totaldropsold = totaldrops;
     totalvol = totaldrops * dropsize; //reports in L
     flowrate = dropcount * dropsize / time_int * 1000 * 60; //report in mL per min
     flowratehigh = flowtarget * 1.03;
     flowratelow = flowtarget * 0.97;

}
void pressures(){//read and average pressure values
  int junk = analogRead(feedppin);
  feedp = analogRead(feedppin)*.7-54;
  sfeedp = (sfeedp+feedp)/2;
}
