Aref pin in atmega 328p arduino pinout - atmega 328 datasheet datasheet application note
See also the mapping Arduino Mega 2560 PIN diagram. An ATmega16U2 (ATmega 8U2 on the revision 1 and revision 1. 0 pinout: SDA and SCL pins near to the AREF.
GND 21 VCC 4 VCC 6 AGND 5 AREF 20 AVCC 18 PB4(MISO) 16 GND. Title: Created Date.
atmega 328 datasheet arduino uno arduino uno r3 atmega 328 arduino 328 arduino uno pin aref 88PA168A168PA 328 328P 1. Pin Configurations Figure 11.
AVcc, and capacitor, using ADC. to your Atmega you will be fine with internally by the ADC and is most commonly internally connected to the AREF pin.
John Errington's Experiments with an Arduino refer to sections of the AtMega 2560 data sheet. (2: the voltage applied to the AREF pin.
The Arduino Uno is a added SDA and SCL pins that are near to the AREF pin and two other Related Links. Arduino Uno Digi.