I have built chug meter as per instructions on your website, when I tested FSR, Piezo speaker, serial 7 segment and push button individually using serial monitor and seems all working fine.
But when I try FSR by pressing it or place water cup on it, its NOT showing up the timer on serial 7 segment. Your help is appreciated on this. I am working on this chug meter as my school’s science fair project. Quick help is appreciated.