January 8, 2011 AT 5:49 pm

Arduino Uno SMD (Atmega328 – assembled) – Uno SMD w/Atmega328

Arduinosmduno Lrg-1

NEW PRODUCT – Arduino Uno SMD – Atmega328 – assembled. The new Uno is the latest version after the Duemilanove, with an improved USB interface chip. Like the Duemilanove, it not only has an expanded shield header with a 3.3V reference and a RESET pin (which solves the problem of how to get to the RESET pin in a shield) AND a 500mA fuse to protect your computer’s USB port, but ALSO an automatic circuit to select USB or DC power without a jumper! The Uno is pin and code-compatible with the Duemilanove, Diecimilla and older Arduinos so all your shields, libraries, code will still work.

This is the SMD edition, created during the Worldwide Atmel Shortage of 2011; Atmel could not make enough of the Arduino chip in through-hole format to fulfill demand. This UNO has an SMD version of the chip instead. It acts completely identically – all code and shields work perfectly – except you cannot remove the AVR microcontroller.

New! Each Arduino ordered from Adafruit now comes with 4 rubber bumpers that will help protect the board when you want to place it on a table. (Also keeps the Arduino from sliding around.)

Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. It’s intended for artists, designers, hobbyists, and anyone interested in creating interactive objects or environments.

In stock and shipping now!

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4 Comments

  1. Does it have the programming header pre-installed for the USB chip?

  2. will the normal edition still be avalible? the SMD defeats the entire purpose for me as i blow out the chip(ATMEGA 168&328) on a regular basis like once a week but this is not as DIY friendly.

  3. I find it funny that they say the through hole version of the atmega328 was getting hard to find and they switched to the smd version. Sparkfun.com stocks both kinds, and they have been unable to get the SMD version for almost a year now, while they usually always have some of the thoughhole type in stock. In fact, a while ago they bought some of the TQFP package parts, and they turned out to be counterfeit slugs!
    Also both Mouser and Digikey have been out of both styles on and off, but more often the TQFP’s were unavailable. (Maybe Arduino bought them all?)

  4. Current Mouser stock:
    Over 40,000 TQFP, zero DIP.

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