42+ Arduino Pinout Atmega328 Background. The arduino duemilanove board comes with either 1 of 2 microcontroller chips, the atmega168 or the atmega328. I hope you all are fine;

Pratique : Des diagrammes de Pinout pour Arduino et ATMega ... from www.semageek.com

I hope you all are fine; It is the most popular of all avr controllers as it is used in arduino boards. For those of you who are using an atmega328 with the arduino bootloader code on your own circuit board here is the pinout details which shows the chip pin numbers and the associated arduino pins.

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Both int0 and int1 are mapped to pins 2 and 3. There are two external interrupt pins on the atmega168/328 called int0 and int1. In the previous tutorial i have discussed the 7805 linear regulator, working and the circuit of the regulator. In this tutorial i will discuss the pinout of the atmega 328 which is the microcontroller on which arduino uno development board is based.