make sure you have the right serial port(im guessing you do already). the code looks fine.
actually, maybe try A0 instead of 0: println(arduino.analogRead(A0));. when i use 0 in Arduino code it doesn't seem to work for me, but A0 always works.
make sure you have the right serial port(im guessing you do already). the code looks fine.
actually, maybe try A0 instead of 0: println(arduino.analogRead(A0));. when i use 0 in Arduino code it doesn't seem to work for me, but A0 always works.