Earlier, you were using flowPin as a pin number (used in a pinMode as INPUT), now it looks like it's a general purpose variable.
Edit: that's another variable called flowPin.
That's not at all confusing.
Earlier, you were using flowPin as a pin number (used in a pinMode as INPUT), now it looks like it's a general purpose variable.
Edit: that's another variable called flowPin.
That's not at all confusing.