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UNO R3 MICROCONTROLLER

CAT # ARD-21 (3 Reviews) Write a Review

$ 14.00
$14.00 each
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Product Description
The Uno R3 board contains everything needed to support the onboard ATmega328 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. 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. This version of the board has a socketed/replaceable ATmega328 chip (see CAT# ARD-24). Recommended operating voltage, 7-12 Vdc.
Spec sheet available in PDF format.
WARNING: May cause cancer or reproductive harm.
California Prop. 65
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Customer Reviews (3 Reviews)

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USB Cable Included

Reviewer: from FLAGSTAFF, AZ USA

Not shown in the photos, nor mentioned in the product listing, the UNO ships with a 20" USB Cable. No need to buy one separately, unless you need a longer one of course.

19 of 19 people found this review helpful. Do you? Yes No  Certified buyer

Not labeled on headers

Reviewer: from Maryland

My units do not have the signal labels printed on the headers, so -1 since this is a strong preference of mine and why I bought this item. Mine did include the USB cable. In case someone is wondering, sometimes a Lexan backing plate is included that the SMT variety Uno board snaps into. Not included or expected.

6 of 6 people found this review helpful. Do you? Yes No  Certified buyer

Works, but is a clone.

Reviewer: from Los Angeles CA

Be advised, this is a clone board and not an official Arduino Uno. The schematic is not correct in this this clone uses an Atmel ISP processor and not the FT232RL chip. Nevertheless it does work fine with the Ardunio software. Mine configured as COM5 running on Win7. Here is a YouTube video outlining some potential issues but again mine worked fine with no tweaking required.
https://www.youtube.com/watch?v=HHF45zhe_9U

3 of 3 people found this review helpful. Do you? Yes No  Certified buyer
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