Activating LED on signal input=null

you are simply the best out there I suppose.. I have recieved many suggestions in italian forum which was VERY difficult and barely functional . and your code just worked GREAT ! awesome PaulRB , nice work , Thank you very bery much . Nice one.

PaulRB:

if (flowRate < 0.01)

if (ledState == LOW)
    ledState = HIGH;
  else
    ledState = LOW;
else
  ledState = LOW;

digitalWrite (GREEN, ledState);

you are simply the best out there I suppose.. I have recieved many suggestions in italian forum which was VERY difficult and barely functional . and your code just worked GREAT ! awesome PaulRB , nice work , Thank you very bery much . Nice one.