Using 3 feet of 3 wires of Belden 1700 Cat 5e
Changed pullup setting in code back to original: Port.ResistorMode.Disabled
It is working! Somehow I had by thread start commented out. Sorry!!! Don't know how that happened.
Here is the flow sensor.
http://www.seeedstud...nsor-p-635.html
https://www.adafruit.com/products/828
Can't seem to find the exact datasheet for the model YF-S201 flow sensor.