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ARDUINO UNO R3 SMD ITALY
Home / Prototyping Boards / Boards for Arduino

ARDUINO UNO R3 SMD ITALY

SKU: QD332#3356

139 SAR inc. Vat.

Out of stock

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ARDUINO UNO R3 SMD ITALY

The Arduino Uno Rev3 SMD is a microcontroller board built around the ATmega328 chip. It features 14 digital input/output pins (6 of which support PWM output), 6 analog inputs, a 16 MHz ceramic resonator (CSTCE16M0V53-R0), a USB connection, a power jack, an ICSP header, and a reset button. The board includes all the essential components to run the microcontroller, making it easy to get started by connecting it to a computer via USB or powering it with an AC-to-DC adapter or battery.

What sets the Uno apart from earlier boards is the absence of the FTDI USB-to-serial driver chip, offering a different approach to USB communication.

The R3 version introduces several enhancements:

  • The ATmega16U2 replaces the 8U2 as the USB-to-Serial converter.
  • A revised 1.0 pinout adds SDA and SCL pins for TWI communication near the AREF pin, along with two additional pins near the RESET pin: IOREF, which enables shields to adapt to the board’s voltage, and a reserved pin for future use.
  • An improved RESET circuit for greater reliability.

 

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)
PWM Digital 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

microcontroller

Atmega328

Input Ouput pins

13

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