The Arduino Pro Mini 328 5V/16MHz is miniature Arduino microcontroller board by SparkFun Electronics. At a tiny 18mm x 33mm and 0.8mm high this board uses the same ATmega328 chip as the Arduino Uno but is much smaller, lighter and cheaper.
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Our Code: MCU-60009
Supplier Link: [SparkFun MPN:DEV-11113]
It's blue! It's thin (0.8mm)! It's the Arduino Pro Mini! SparkFun's minimal design approach to Arduino. This is a 5V Arduino running the 16MHz bootloader featuring the same ATmega328 chip as the Arduino Duemilanove. The low cost and small size makes this board ideal for leaving in a finished project.
The latest and greatest version of this board breaks out the ADC6 and ADC7 pins as well as adds footprints for optional I2C pull-up resistors!
Arduino Pro Mini does not come with connectors populated so that you can solder in any connector or wire with any orientation you need. We recommend first time Arduino users start with the Duemilanove. It's a great board that will get you up and running quickly. The Arduino Pro series is meant for users that understand the limitations of system voltage (5V), lack of connectors, and USB off board. When using the Arduino software select 'Arduino Duemilanove w/ 328' as the board.
SparkFun really wanted to minimize the cost of an Arduino. The Arduino Pro Mini is like the Arduino Mini (same pin out) but to keep the cost low, they used all SMD components, made it two layer, etc. This board connects directly to the FTDI Basic Breakout board and supports auto-reset. The Arduino Pro Mini also works with a FTDI cable but the FTDI cable does not bring out the DTR pin so the auto-reset feature will not work.