I am working with arduino UNO and when i use the command analogRead("X") the program indicate a value in bits. The problem is that i am not putting voltage y the arduino board, there is nothing connected. Help please, it is for a college project.

Basic problem with analogRead()

system April 24, 2014, 9:07pm 4

analogRead("X")

"X" is a string.
analogRead accepts only "int" arguments.