About this product
The Arduino Uno Rev3 is a 5 V development board based on the ATmega328P microcontroller, with 14 digital I/O pins, six PWM outputs, six analog inputs, and a 16 MHz clock. It provides 32 KB flash, 2 KB SRAM, and 1 KB EEPROM, is programmed over USB from the Arduino IDE, and accepts a wide range of shields. Clone boards may use different USB interface hardware and drivers.