Arduino Arduino Uno REV3 SMD

Arduino Uno REV3 SMD microcontroller board ATmega328 soldered (not removable) 14 digital I/O pins (6 PWM outputs), 6 analog inputs Features an ICSP header, a 16 MHz crystal oscillator, a power jack, etc. Provides an ATmega16U2 instead of an 8U2 as USB-to-Serial converter