Retired Product

Please Note: The following product has been retired and is no longer available. This page is still available for anyone looking for information.

Arduino Pro 328 – 5V/16MHz


Arduino Pro 328 – 5V/16MHz


SKU: MCR-016 - Mfg Part Number: DEV-10915


The Arduino Pro 328 is SparkFun’s minimal design approach to Arduino. This is a 5V ATMEGA328 running the 16MHz Arduino bootloader in a sleek form factor that will easily fit into your next project.

To make this board a little more flexible than the standard Arduino, the Arduino Pro does not have any connectors soldered in place. You are free to solder any 0.100″ / 2.54mm pitch headers to suit your project’s needs. The board also does not have built in USB to Serial converter so it is typically not recommended for first time users of Arduino. This board is designed for users who understand the limitations of this lack of connectors and USB off board.

SparkFun makes the DC power jack footprint available, but does not to populate it; this is done keep the price as low as possible (and keep the board as thin as possible).

Since there is no USB to Serial converter built in, a FTDI breakout board or cable is required for programing over USB. Alternatively, the Arduino Pro 328 can be programmed using the ICSP header and this AVR programmer.

Please Note: A portion of this sale goes to Arduino LLC to help fund continued development of new tools and new IDE features.


  • ATmega328 running at 16MHz external resonator
  • 5V regulator
  • Over current protected
  • DC input 5V up to 12V
  • USB connection off board
  • Max 150mA output
  • Reverse polarity protected
  • Power select switch acts as on/off switch


Getting started with Arduino Pro:

Recommended Accessories

Adafruit FTDI Friend v1.1
Price: $21.95
Price: $24.95


Out of stock

SKU: MCR-016.
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Additional information

Weight 15 g


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