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  Item found in the following categories;
> Robotics & DIY > Arduino

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Arduino Uno R3 Compatible Microcontroller - Atmel ATmega328

Arduino Uno R3 Compatible Microcontroller - Atmel ATmega328

The Arduino Uno 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 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 the future, shields will be compatible both with the boards that use the AVR, (which operates @ 5V) and with the Arduino Due that operate @ 3.3V. The second one is a not connected pin, that is reserved for future purposes.


*Note:
This is not an original Arduino brand product, it is manufactured with the same components and functionality by a different manufacturer.


Specs:
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: 16MHz

Includes:
1 x Arduino Uno R3 Microcontroller board
1 x USB cable



PRODUCT ID: 381000030

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Weight: 75g Quantity: 
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Price $11.67

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 Customer rated
46
crowns
  
 
Total of 27 discussions.
NIMO TECHNOLOGY  14 points - 3/26/2014
 
lol :P this item is longer not stock :P
NIMO TECHNOLOGY  14 points - 3/9/2014
 
hey, why late to restock ? i need this ! hurry ! restock please!
 NIMO TECHNOLOGY 14 points
restock please ^_^
NIMO TECHNOLOGY  14 points - 3/7/2014
 
please restock ! i need this !
 John-Paul 6 points
There are a few different versions of the Uno on HK website. Try searching for a different one.
Carlos  95 points - 2/12/2014
 
Nothing!!!
Carlos  95 points - 12/17/2013
 
120 dias e ainda nao recebi o pedido.
Customer Reviews
Overall Rating
Martin
9 likes
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Quality
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I just received 4 of these arduino boards from Hobby King. The 3.3V output on all of them is a fail. It ranges from 1.7V to 3.2V. Not usable if you plan on using 3.3V as a reference or to power sensors.


1 comment. Reply..

Overall Rating
squid10
12 likes
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works great, just like the genuine version. the PCB, soldering and the overal build quality are good also


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Overall Rating
maicros
30 likes
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Good quality, tried some programs and works really fine, with good response time to load sketchs. Sensor shields v5 fits fine.


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Overall Rating
mmoreto
36 likes
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Arduino... novos desafios, vamos lá!


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Overall Rating
Evil Pusher
115 likes
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not the orginal Arduino but bootloader is preinstalled and all works fine.


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