 int inuse             = LOW;
 int measured          = 0;
 int nofchecked        = 0;
+int nofnotinuse       = 0;
 int measured_blank    = 0;
 int measured_poop     = 0;
 int blank_checked     = LOW;

  x = x << 8 | b;

  if ( x >= 7000 ) {
    x = 0;  
  }

  if ( c == 1 ) {


void loop() {
  if ( blank_checked == LOW ) {
    delay(5000);
    check_blank();
  }

  inuse = digitalRead(nemoisOnPin);
  measured = requestHX711();

  Serial.print("measured : ");
  Serial.println(measured);

  if ( inuse == HIGH ) {
    digitalWrite(ledPin, HIGH);
    if ( measured > 20 )
