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  • ATMEGA328P-PU with Arduino Bootloader - Uno
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ATMEGA328P-PU with Arduino Bootloader - Uno

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Price: $7.29 & FREE Shipping on orders over $35. Details
In Stock.
Sold by CP-nine and Fulfilled by Amazon. Gift-wrap available.
  • The heart and sole of your next robot!
  • The perfect chip to revive or upgrade your Arduino (Uno only)
  • Can be used as an AVR Microcontroller, or for an Arduino Uno
  • 20 MHz 28 Pin Dip with 32KB Flash, and 2KB Random Access Memory
  • 6 Analog/Digital Ports, 6 Basic Digital Ports, 6 PWM, and 1 Serial bus (Tx & Rx)
14 new from $0.29
$7.29 & FREE Shipping on orders over $35. Details In Stock. Sold by CP-nine and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

ATMEGA328P-PU with Arduino Bootloader - Uno + 17 Pcs x 28 Pin DIP IC Sockets Adaptor Solder Type Socket + 30 x 22pF DC 50V Low Voltage DIP Ceramic Disc Capacitors
Price for all three: $13.47

These items are shipped from and sold by different sellers.

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WARNING:
CHOKING HAZARD -- Small parts. Not for children under 3 yrs.

Product Details

  • Shipping Weight: 0.3 ounces (View shipping rates and policies)
  • ASIN: B007SH0D0A
  • Item model number: Uno
  • Average Customer Review: 4.3 out of 5 stars  See all reviews (71 customer reviews)
  • Date first available at Amazon.com: February 6, 2012

Product Description

So if you are looking at this product you probably fried your Arduino Uno. Don't feel bad, it happens to the best of us. We have taken the time to put the Uno bootloader on these bad guys, so if you need to replace or upgrade your chip it will be a snap! Of course don't forget you don't actually need an Arduino to use this chip. This is a standard ATMEGA328 AVR compatible chip.

Customer Questions & Answers

Customer Reviews

They're cheap, buy a bunch.
Michael Howell
I was able to pop out the chip on a standard Arduino UNO and insert one of these chips from Virtuabotix and program it with no problems what so ever.
David Coley
Tested every single one of them.
Wireless Micro

Most Helpful Customer Reviews

27 of 27 people found the following review helpful By O. Pineño on September 18, 2012
Verified Purchase
After purchasing many components from Virtuabotix, I recently had the opportunity to know this company a little better.

I purchased a couple of these ATMEGA328-PU and I was in the process of building my first Bareduino328 Plus, but the voltage regulators that I had purchased somewhere else were faulty (they overheated when connected to a 9v battery and produced virtually no output, almost zero volts). I sent an email to Virtuabotix to inquire about the best match for the voltage regulator that they used in their demos, and within minutes Joseph Dattilo (CEO of Virtuabotix) replied with a much better answer than I was expecting: he confirmed that the model I indicated should work, but also mentioned that he could make it available on their site just to help me with my project. Within minutes, they had the perfect voltage regulator available, and for an excellent price too.

It is not very common to receive courteous and effective assistance these days, but it is even less common to experience this kind of niceness and competency at once in a single person and company. To me, it is almost more important than the product itself.

BTW: To date, I have purchase the following products from Virtuabotix, and they all receive 5 stars from me. Their products are very cheap, but of excellent quality too!

Virtuabotix Two SG90 9 Gram Micro-servos
Virtuabotix MMA7361 Three Axis Accelerometer Module
...Read more ›
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16 of 16 people found the following review helpful By Julian Quintana on September 11, 2012
Verified Purchase
Since i'm a computer programmer, my electrical skills are limited to the basic understandings of capacitors, current, resistors, ohms and amps. Thus when I perform calculations, I often fudge the math and cross my fingers. Unfortunately time after time i've busted a many Arduino. If you've been a victim of an Arduino popping and then allowing the magic vapors escape thru the crack of the ATMEGA chip, then save yourself the money and avoid SMD (surface mounted) Arduino configurations. Always setup your prototypes on a board that let's you swap out the chip. It'll cost you way less in the long run and keeps your from having to put a halt on your projects due to a damaged Arduino. The fact that these chips are also preloaded with the firmware is a blessing, as even for a skilled programmer this task can be a pain in the tucas.
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6 of 6 people found the following review helpful By Tom K on September 8, 2012
Verified Purchase
Received the item promptly and popped it in my Arduino Uno to replace a malfunctioning chip. It's working great! It's a good price, so I may order some more of these in the future.
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4 of 4 people found the following review helpful By bichofeo08 on June 1, 2012
Verified Purchase
I ordered this Arduino Uno bootloader because the one I had burned out. I replaced it with this one and it works great. It even works with the previous version, Arduino Dueminalove.
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2 of 2 people found the following review helpful By Carl on November 23, 2014
Verified Purchase
Edit: Ok, I'll give these another star because they do work... once you install a bootloader. Fired up Optiloader and successfully burned them. Now I can upload "Blink" and whatever other sketches I want with no trouble. So, the chips themselves work, but as far as having a bootloader "preinstalled" they're a bust.

Original review:

Order three, received three, but none of them seem to work.

The Arduino Uno is recognized in the device manager, but the IDE cannot communicate with the board with these chips installed. The RX light flashes twice when attempting to burn a sketch, and then it does nothing. The reset button does not work, or produce any noticeable effect, either.

The chip is installed the correct direction, the board mode is set to Uno, and the serial port is correct. Everything works if I remove the new chip and plug the original chip back in. They are the same part number, ATMega328P-PU, so there shouldn't be any problem, assuming the bootloader on these chips is working correctly.

After a bit of troubleshooting, I suspect the bootloader is either non-functional or nonexistent on these chips. I'll give burning a bootloader a try before I pronounce the chips DOA, of course, but having to burn a bootloader kind of defeats the whole purpose of buying them with a bootloader "installed."
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Verified Purchase
I ordered these because I did not want to deal with the hassle of boot loading, however they do not appear to have arrived boot loaded. I dropped this in directly to my Uno and was not able to upload blink. I put back in the original chip and everything worked fine. I am going to attempt to bootload these to try to salvage something useful.

Other recent reviewers seem to have the same problem. If you are thinking of buying these, I would recommend against it.

UPDATE:
I was able to successfully bootload these and got them working, confirming that they did not come boot loaded. I followed the following tutorial:

http://3g1l.com/blog-burn-bootloader-blank-atmega328atmega328p-arduino-uno

I did have to use the oscillator which I believe means someone attempted to bootload them before.
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3 of 3 people found the following review helpful By Michael Howell on March 12, 2013
Verified Purchase
Cratered my original Arduino. This pre-imaged chip is faster to boot and does everthing the Uno does. They're cheap, buy a bunch.
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