SMD Arduino Uno R3

product description Capacity: selected This is a real new Arduino Uno R3. Arduino Uno is an ATmega328-based microcontroller board. It has 14 digital I / O pins (six of which are available as PWM outputs), six analog inputs, a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP plug and a reset button. It contains everything you need to support your microcontroller. Simply connect it to your computer using a USB cable or start it with an AC-to-DC adapter or battery.