Arduino Uno R3 Microcontroller

      Arduino Uno R3 Microcontroller

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      Description

      Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. It's intended for DIY, artists, designers, hobbyists, and anyone interested in creating interactive projects.

      The UNO is the best board to get started with electronics and coding. If this is your first experience tinkering with the platform, the UNO is the most robust board you can start playing with. The UNO is the most used and documented board of the whole Arduino family.

      The Arduino UNO R3 is a microcontroller board based on the ATmega328. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.

      The UNO differs from all preceding boards because it does not use the FTDI USB-to-serial driver chip.

      Additional features coming with the REV3 version are:

      • ATmega16U2 instead of 8U2 as USB-to-Serial converter.
      • 1.0 pinout: added SDA and SCL pins for TWI communication placed near to the AREF pin and two other new pins placed near to the RESET pin, the IOREF that allow the shields to adapt to the voltage provided from the board and the second one is a not connected pin, that is reserved for future purposes.
      • Stronger RESET circuit
      Specifications

      We do not support micro-controller programming. If you require help, please contact Arduino 

      Microcontroller ATmega328
      Operating Voltage 5V
      Input Voltage (recommended) 7-12V
      Input Voltage (limit) 6-20V
      Digital I/O Pins 14
      PWM Digital I/O Pins 6
      Analog Input Pins 6
      DC Current per I/O Pin 40 mA
      DC Current for 3.3V Pin 50 mA
      Flash Memory 32 KB
      Flash Memory for Bootloader 0.5 KB
      SRAM 2 KB
      EEPROM 1 KB
      Clock Speed 16 MHz
      Length 68.6 mm
      Width 53.4 mm
      Weight 0.98 oz
      Pin Mapping

      Schematics

      Technical Drawing

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      Customer Product Reviews

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