The Arduino Uno R3 is a versatile microcontroller board, perfect for enthusiasts and beginners alike. It features the ATmega328P microcontroller, offering 14 digital input/output pins and 6 analog inputs. With a 16MHz crystal oscillator, USB connection, and a wide array of programmable functions, it empowers users to create interactive electronic projects. The board supports various sensors, actuators, and shields, making it ideal for robotics, IoT applications, and educational purposes. The inclusion of a USB cable ensures seamless connectivity for programming and power supply. The Arduino Uno R3 is a reliable and user-friendly platform, fostering innovation in the realm of electronics.

Operating Voltage (VDC)	5
Input Voltage(Recommended)	7-12V
Input Voltage (limit)	6-20V
Analog I/O Pins	6
Digital I/O Pins	14 (of which 6 provide PWM output)
PWM Digital I/O Pins	6
DC Current per I/O Pin (mA)	40
DC Current for 3.3V Pin (mA)	50
Clock Speed	16 MHz
SRAM	2
EEPROM	1 KB (ATmega328)
Flash Memory	32 KB
On Board LEDs	On/Off, L (PIN 13), TX, RX
Dimensions in mm (LxWxH)	75 x 54 x 12
Weight (gm)	28 (without cable), 54 (with cable)
Shipping Weight	0.08 kg
Shipping Dimensions	9 × 6 × 4 cm