Uno Arduino

UNO The UNO is the best board to start using electronics and coding. If this is your first experience playing with the platform, the UNO is the most robust board you can start playing with. The UNO is the most used and documented board in the entire Arduino family.

Specifications

Manufacturer Model Type I/O Battery Communication Methods
Arduino Uno 8/6 No - External Power Supply

Features

Microcontroller ATmega328P

Operating voltage 5V

Input voltage (recommended) 7-12V

Input voltage (limit) 6-20V

Digital I/O pins 14 (of which 6 provide PWM output)

Digital PWM I/O pins 6

Analog input pins 6

DC current per I/O pin 20 mA

DC current for 3.3V Pin 50 mA

Flash memory 32 KB (ATmega328P) of which 0.5 KB used by bootloader

SRAM 2 KB (ATmega328P)

EEPROM 1 KB (ATmega328P)

Clock speed 16 MHz

LED_BUILTIN 13

Length 68.6 mm

Width 53.4 mm

Weight 25 g

UNO

Requirements

See the complete documentation
UNO

Programming

See the complete documentation
UNO

SMS Programming

See the complete documentation
UNO

Commands

See the complete documentation