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Arduino Uno R3 (Made in Italy)
  • Arduino Uno R3 (Made in Italy)

Arduino Uno R3

Arduino UNO in Bangladesh

The Arduino Uno is a microcontroller board based on the ATmega328 (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller.

BDT 399
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Description

The Uno differs from all preceding boards in that it does not use the FTDI USB-to-serial driver chip. Instead, it features the Atmega16U2 (Atmega8U2 up to version R2) programmed as a USB-to-serial converter.
Revision 2 of the Uno board has a resistor pulling the 8U2 HWB line to ground, making it easier to put into DFU mode.
Revision 3 of the board has the following new features:

  • 1.0 pinout: added SDA and SCL pins that are 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. In future, shields will be compatible both with the board that use the AVR, which operate with 5V and with the Arduino Due that operate with 3.3V. The second one is a not connected pin, that is reserved for future purposes.
  • Stronger RESET circuit.
  • Atmega 16U2 replace the 8U2.

 

"Uno" means one in Italian and is named to mark the upcoming release of Arduino 1.0. The Uno and version 1.0 will be the reference versions of Arduino, moving forward. The Uno is the latest in a series of USB Arduino boards, and the reference model for the Arduino platform; for a comparison with previous versions, see the index of Arduino boards.

 

Summary

Microcontroller ATmega328
Operating Voltage 5V
Input Voltage (recommended) 7-12V
Input Voltage (limits) 6-20V
Digital I/O Pins 14 (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

 

Schematic & Reference Design

EAGLE files: arduino-uno-Rev3-reference-design.zip (NOTE: works with Eagle 6.0 and newer)

 

Schematic: arduino-uno-Rev3-schematic.pdf

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Working fine.
rating 10 10 1
Working fine.
Best products
rating 10 10 1
Best products
Fast delivery and Well Goods
rating 10 10 1
Good
Got actual device
rating 10 10 1
Got actual device
It was in good condition.
rating 10 10 1
It was in good condition. Nice packaging
Arduino Uno R3
rating 8 10 1
The product quality was good. I am satisfied with this product.
five star
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five star
The product is good.
rating 10 10 1
The product is good.
Awesome product!
rating 10 10 1
This chip makes my codes live. I live this thing. And also service from RoboticsBD is great! They sent my products in time.
Awesome product!
rating 10 10 1
This module makes my codes alive! I love it!
Excellent
rating 10 10 1
Excellent
everything is good
rating 10 10 1
everything is good
they have qualited products
rating 10 10 1
they have qualited products
good services
rating 10 10 1
got my product in time.
good job
rating 8 10 1
yeah its great ! your service is good because of i got this my needed time ! thanks you for providing .........this component but paribahan fee is very high so need to decrease !!!
test
rating 10 10 1
alert('test')
Very Good
rating 10 10 1
A very good one. Price is fine. East to install and use.
So far so good!
rating 10 10 1
So far so good!
Good Product
rating 10 10 1
Good Product
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