hello frnds.. I am using arduino mega 2560 board to read ADC count on hyper terminal. In my program.. i m using all 16 (A0 to A15) analog pins of arduino. When i connect A0 pin to +5v it gives 1023 counts... its okk. but when i connect A1 onwords it gives 800 to 900 counts..!!!! Why is it so???…

Problem in reading analog pins of arduino mega 2560

TomGeorge May 21, 2014, 9:15am 3

Post your sketch.
Post your schematic

Careful AWOL, don't break into song.

Tom......