Arduino UNO R3 DIP Atmega328p With USB Cable

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  • Arduino UNO R3 DIP ATmega328P a microcontroller board based on the ATmega328p  is the perfect microcontroller for those who want to enter the programming world without any fuss.
  • UNO R3 is ATMega328 microcontroller provides you with enough power for your ideas and projects.
  • Uno R3 is an open source hardware computing platform.
  • The Arduino Uno R3 development board can also be used to develop applications that operate in a standalone or connected environment.
  • The Arduino Uno Rev3 DIP is Arduino’s latest offering in the popular UNO series and maintains backward compatibility with shields designed for earlier versions.
  • The Arduino Uno R3 DIP is a cost-effective way to get started with the interactive world of Arduino.


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Arduino UNO R3 DIP ATmega328P is one of best boards to get started with electronics and marking. The UNO is a strong, well printed materials board with a greatly sized and able to help user group – making it east to start playing with.

You can tinker with your UNO without worrying too much about doing something wrong. 

The Uno R3 board is the perfect microcontroller for those who want to enter the programming world without any fuss. Its ATMega328 microcontroller provides you with enough power for your ideas and projects.

The Uno board has a USB type B connector so that you can easily use it with programs, of course via the well-known programming environment Arduino IDE.

The Arduino Uno R3 is an ATmega328P microcontroller-based development board. This is widely popular in Embedded electronics because of the available resources and easy to use by everybody features.

Arduino UNO dip ATMega328p includes a LED that can be useful in multiple applications or to test the board functionality.

A voltage regulator, better to say an LDO, is available inside this development board to make this Arduino compatible for a wide range of input voltages. The application is very easy, just upload the code, and run.

The Arduino Uno is a microcontroller board based on the ATmega328P. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz quartz crystal, a USB connection, a power jack, an ICSP header and a reset button.

Features: –

  • Microcontroller: ATmega328
  • Operating voltage: 5 V
  • Input voltage (recommended): 7-12 V
  • Digital I/O pins: 20 (of which 6 provide PWM output)
  • Analog input pins: 6*
  • DC current per I/O pin: 40 mA
  • DC current for 3.3V pin: 50 mA
  • Flash memory: 32 KB (ATmega328) of which 0.5 KB used by bootloader
  • SRAM: 2 KB (ATmega328)
  • EEPROM: 1 KB (ATmega328)
  • Clock speed: 16 MHz

Arduino UNO R3 DIP ATmega328P Specifications: –

Specification Value
Design Level Beginner
Family 8-bit AVR
Processor ATmega328P
Number of I/Os 23
PWM Channels 6
USB Type-B
Input Voltage Range 7 VDC to 12 VDC
I2C Yes
Memory 2 KB SRAM
Length 2.70 in., 68.58 mm
Width 2.10 in., 53.34 mm
Package Board

Getting Started with Arduino UNO R3 DIP

The Getting Started with Arduino Uno page contains all the information you need to configure your Arduino Uno r3 atmega328P, use the Arduino Software (IDE), and start tinkering with coding and electronics.

From the Tutorials section you can find examples from libraries and built-in sketches as well other useful information to expand your knowledge of the Arduino hardware and software. Find inspiration for your Uno projects from our tutorial platform Project Hub.

Pin Description Arduino UNO R3 : –


" Board menu (according to the microcontroller on your board). For details, see the <a href=

Reference and tutorials.

The ATmega328p on the Arduino Uno comes preprogrammed with a bootloader that allows you to upload new code to it without the use of an external hardware programmer. It communicates using the original STK500 protocol (reference, C header files).

You can also bypass the bootloader and program the microcontroller through the ICSP (In-Circuit Serial Programming) header using Arduino ISP or similar; see these instructions for details.

The ATmega16U2 (or 8U2 in the rev1 and rev2 boards) firmware source code is available in the Arduino repository. The ATmega16U2/8U2 is loaded with a DFU bootloader, which can be activated by:

Arduino UNO R3 DIP ATmega328P Power

The Arduino Uno board can be powered via the USB connection or with an external power supply. The power source is selected automatically.

External (non-USB) power can come either from an AC-to-DC adapter (wall-wart) or battery.

The adapter can be connected by plugging a 2.1mm center-positive plug into the board’s power jack. Leads from a battery can be inserted in the GND and Vin pin headers of the POWER connector.

The board can operate on an external supply from 6 to 20 volts. If supplied with less than 7V, however, the 5V pin may supply less than five volts and the board may become unstable.

If using more than 12V, the voltage regulator may overheat and damage the board. The recommended range is 7 to 12 volts.

The power pins are as follows:
  • Vin. The input voltage to the Arduino board when it’s using an external power source (as opposed to 5 volts from the USB connection or other regulated power source). You can supply voltage through this pin, or, if supplying voltage via the power jack, access it through this pin.
  • 5V.This pin outputs a regulated 5V from the regulator on the board. The board can be supplied with power either from the DC power jack (7 – 12V), the USB connector (5V), or the VIN pin of the board (7-12V). Supplying voltage via the 5V or 3.3V pins bypasses the regulator, and can damage your board. We don’t advise it.
  • 3V3. A 3.3 volt supply generated by the on-board regulator. Maximum current draw is 50 mA.
  • GND. Ground pins.
  • IOREF. This pin on the Arduino board provides the voltage reference with which the microcontroller operates. A properly configured shield can read the IOREF pin voltage and select the appropriate power source or enable voltage translators on the outputs to work with the 5V or 3.3V.
Arduino UNO R3 DIP Atmega328P Memory

The ATmega328 has 32 KB (with 0.5 KB occupied by the bootloader). It also has 2 KB of SRAM and 1 KB of EEPROM (which can be read and written with the EEPROM library).

Arduino UNO R3 DIP Atmega328P Input and Output

See the mapping between Arduino pins and ATmega328P ports. The mapping for the Atmega8, 168, and 328 is identical.

Package: –

1 x Arduino UNO R3 DIP ATmega328P With USB Cable

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  1. sherjaan

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