The RedStick combines some of our favorite features like the Uno's
Optiboot bootloader, the FTDI, small size, and the ability to plug
directly into a computer's USB port (no FTDI board or USB cable
The RedStick can be programmed by just plugging the board into your
computer using the Arduino IDE: Just plug in the board, select
"Arduino UNO" from the board menu and you're ready to upload code. The
RedStick also has the hardware features you are used to: 14 Digital
I/O pins with 6 PWM pins, 8 Analog Inputs, UART, SPI, I2C and external
interrupts. This is all in a tiny package that can be plugged directly
into your computer.
You can power the SparkFun RedStick over the USB plug or through the
power input (which supports a JST connector for a single celled Lipo).
The onboard boost circuit can regulate anything from 2-6V. While the
board does not have a battery charger, it can be powered over a single
celled Lipo or even 2 AA batteries. Check out or related products for
batteries and battery cases.
* A boost regulator providing 5V to the Atmega328p from an input
range of 2 to 6 volts.
* 16 MHz system clock (allowed because of the additional supply
* Uno compatible in the Arduino IDE. Simply select the board
"Arduino/Genuino Uno" and go!
* USB end matches standard USB thickness and width.
* Design Files, Software @GitHub 
 https://github.com/sparkfun/RedStick/tree/V_1.0 … more
If you wish to learn more about this product, please visit the manufacturer's website or contact us: firstname.lastname@example.org
Warranty 24 month Bring-in
Limited right of return
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Please use our simplified warranty process to view the warranty period as well as any warranty extensions you may have purchased. This will ensure that your return or warranty case is processed quickly and effectively.
Information subject to change.
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