Micro controllers

  1. ATmega328P
    • Atmel’s megaAVR family
    • 28 pins
    • CPU type: 8 bit AVR
  2. ATMega16U2
    • acts as the usb-to-serial converter
    • on Arduino board acts as a bridge between the computer’s USB port and the main processor’s serial port such as the ATMega328P.
    • The “16” in its name indicates it has 16 kilobytes of flash memory, while the “U” indicates it’s USB capable.