On Mon, 22 Mar 2010, yamanoor sairam wrote: > I am worried about the linearity of > the displayed voltage now. The method adopted keeps me worried whether I > am able to adopt a linear scale. I tried testing it by providing a known > voltage from my DC RPS. My display seems to read the values closer to > the known voltage. How may I ensure it? I don't understand what you mean here. Regards Sergio Masci -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist