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Description: It's blue! It's thin (0.8mm)! It's the Arduino Pro Mini in retail packaging! SparkFun's minimal design approach to Arduino. This is a 3.3V Arduino running the 8MHz bootloader. 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 Uno R3. 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 (3.3V), lack of connectors, and USB off board.

We really wanted to minimize the cost of an Arduino. In order to accomplish this we 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 the FTDI cable but the FTDI cable does not bring out the DTR pin so the auto-reset feature will not work.

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! We also took the opportunity to slap it with the OSHW logo.

Can't decide which Arduino is right for you? Arduino buying guide!

Dimensions:

  • 0.7x1.3" (18x33mm)
  • Less than 2 grams

Features:

  • ATmega328 running at 8MHz with external resonator (0.5% tolerance)
  • Low-voltage board needs no interfacing circuitry to popular 3.3V devices and modules (GPS, accelerometers, sensors, etc)
  • USB connection off board
  • Weighs less than 2 grams!
  • Supports auto-reset
  • 3.3V regulator
  • Max 150mA output
  • Over current protected
  • Reverse polarity protected
  • DC input 3.3V up to 12V
  • On board Power and Status LEDs
  • Analog Pins: 8
  • Digital I/Os: 14

Documents:

Replaces: RTL-09892

Comments 2 comments

  • Two things, 1: Wow that is small, I knew it was going to be small but wow! lol, & 2: Is it possible to run a small arm mounted keyboard off of this or would a lily pad be better?

    It is a standard alpha numeric keyboard w/ numeric symbols & tab, shift, space & enter. It has to be small enough to fit on the forearm.

    • I’m not sure what you mean by ‘run’. What would the keyboard be doing? If it just goes into the arduino, you could use a host shield or something… search for arduino and keyboard.


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