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Available in increments of 1
Total Percent Off Per Unit
$34.58 0% $34.5800
$65.70 5% $32.8510
$155.61 10% $31.1220
$293.93 15% $29.3930
$553.28 20% $27.6640

Coleman Air



Sparkfun # 12757. Sparkfun's economical alternative to the Arduino Uno, the RedBoard has most of the features of the Uno with the added benefit of an ISP header and FTDI interface. The RedBoard can be programmed over a USB Mini-B cable using the Arduino IDE: Just plug in the board, select "Arduino UNO" from the board menu and you're ready to upload code. SDA, SCL and IOREF pins will be compatible with future shields. This version adds an SMD ISP header for use with shields. You can power the RedBoard over USB or through the barrel jack. The on-board power regulator can handle anything from 7 to 15 Vdc. Features: · ATmega328 microcontroller with Optiboot (UNO) Bootloader · USB Programming Facilitated by the Ubiquitous FTDI FT231X · Input voltage - 7-15V · 0-5V outputs with 3.3V compatible inputs · 14 Digital I/O Pins (6 PWM outputs) · 6 Analog Inputs · ISP Header · 32k Flash Memory · 16MHz Clock Speed · All SMD Construction · R3 Shield Compatible

Spec Sheet1



This item consists of



Please note. Any tools and/or accessories shown in the photo(s) are not included, only the exact items specified above.


These items are new, unused. We buy in bulk and repackage for resale.

Important: Some of these items may not be in stock at our Texas location and will need to be shipped to here in bulk before we can ship to you.  This could result in a 5 day delay in shipping to you.  Please do not order if you need the parts quick and cannot wait a few days extra (even though the price is great).


Note: Although we normally will ship the exact part number shown, P/N's and manufacturers may be substituted from time to time as inventory requires. Please let us know if you are unable to use part substitutions (other than the exact P/N shown.), to insure that you always receive the exact part you need.

Our shipping charges are basically what it cost us to ship. International shipping rates via the USPS for this weight are much higher than you might expect. Please click HERE to view just how much these charges are, and you will see that our rates are just what it cost. We would charge less, if it cost us less.

Due to major delays in customs, we no longer ship to Italy.

To our International customers. We cannot misrepresent the price of the products being shipped to you. You are responsible for any and all tariffs, duties or import fees imposed by your country or customs.

Returned items must be in their original condition and fully resalable. Returns may incur a 20% restocking fee. Damages that occur during return transit will be liable to the buyer. Buyer is responsible for all tariffs, customs fees, VATs.

If you have any questions, please do not hesitate to ask, we are happy to help.



By popular request, here is the beginning of a new series of documents that shows just how all of these components tie together.

Three phase turbine wiring diagram

Click here to view our frequently asked questions. (FAQ)


Thanks For Looking!

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