Arduino Uno R3 V2 Board with USB Cable The Arduino Uno R3 is a versatile microcontroller board perfect for beginners and experts in electronics, robotics, and IoT projects. Featuring the ATmega328P processor, 14 digital I/O pins, and 6 analog inputs, it’s ideal for DIY projects, automation, and prototyping. Compatible with the Arduino IDE, it supports USB and external power sources. Start your innovation journey today! Specifications : Microcontroller: ATmega328P Operating Voltage: 5V Input Voltage (recommended): 7-12V Input Voltage (limits): 6-20V Digital I/O Pins: 14 (6 PWM outputs) Analog Input Pins: 6 DC Current per I/O Pin: 20 mA DC Current for 3.3V Pin: 50 mA Flash Memory: 32 KB (0.5 KB used by bootloader) SRAM: 2 KB EEPROM: 1 KB Clock Speed: 16 MHz USB Interface: Type-B port for programming and power Power Options: USB, DC power jack (7-12V) Communication: UART, SPI, I2C Dimensions: 68.6mm x 53.4mm Weight: Approx. 25g