Hi AhmadAREF stands for
September 26, 2016 at 1:03 pm
#14168
Participant
Hi Ahmad
AREF stands for Analog Reference. This is pin 32 of AtMega-16 IC. It determines the reference voltage required for performing analog to digital calculations. Reference voltage can also be set using the ADMUX register, check it out. We generally connect this pin with five volts.