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Arduino Uno A000066 Board R3

Order Code:  

73-4440

Brand: Arduino MPN: A000066 EAN-13: 8058333490090
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1+ £16.60

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554 in Stock, despatched same dayStandard Factory lead time 5 weeks

The Arduino Uno Board A000066 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 an AC-to-DC adaptor or battery to get started.

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 programmed as a USB-to-serial converter.


  • Microcontroller ATmega328
  • Operating voltage 5V
  • Input voltage range nom. 7-12V
  • Maximum supply voltage 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 of which 0.5 KB is used by bootloader
  • SRAM 2 KB
  • EEPROM 1 KB
  • Clock speed 16 MHz
  • USB Connector type B Male

Order codeBoard
73-4440Uno Rev. 3
73-4443Uno SMD Rev. 3
73-4441Leonardo with headers
73-4445Due ARM Cortex M3
73-4450Mega2560 Rev. 3

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Questions




11 May 2014 Question by: cameron | Product code: 73-4440
Q. what are the external dimensions of the arduino?
A. Hi Cameron. Thank you for your question. See the following excerpt from the manufacturer's website: Physical Characteristics - The maximum length and width of the Uno PCB are 2.7 and 2.1 inches respectively, with the USB connector and power jack extending beyond the former dimension. Four screw holes allow the board to be attached to a surface or case. Note that the distance between digital pins 7 and 8 is 160 mil (0.16"), not an even multiple of the 100 mil spacing of the other pins.


09 January 2012 Question by: Martin | Product code: 73-4440
Q. Does the arduino uno come with any accessories (e.g. a usb cable, headers, LEDs, etc...)?
A. The product does not include a USB cable. The product code for the USB cable is 19-8660. The product features headers and an integral LED. If you are looking for something with more options for development, we have a new kit, product code 73-4460. This kit includes a USB cable and other accessories.

Reviews


Easy entry to microprocessor programming

Reviewed by: John - 07 February 2017
If your looking to enhance your hobby electronics with microprocessor control, the Arduino is a fine choice. Beautifully made and easy to connect, it provides all the basic functions needed to start learning about software control. The board can be powered directly from your computer USB, for programming and testing simple low current circuits, or powered from your project for more complex work. The Arduino open source community provides all the software and learning instructions you need, completely free of charge, and help is available via the forum for those extra questions. While other microprocessor environments may be more powerful for the very experienced user, the Arduino is more than capable for most tasks and the available support makes it an ideal starting point to learn about microprocessors. Highly recommended.

Great product

Reviewed by: Daz - 09 July 2014
Arduino boards might not be the most powerful or full featured, but they have great support and work very well. For most projects they are more than capable.