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AAA Battery Power Shield for Arduino
$23.95
SKU 952728
Give your Arduino project independence from wall and USB power with ths AAA Battery Power Shield for Arduino from PMD Way.
This nifty power shield contains a boost circuit that takes the power from two AAA cells and increases it up to a neat 5V, with a current maximum of 350 mAh.
A power switch is fitted so you can turn the battery power on and off, and the USB socket allows you to power external low-current USB devices if necessary.
More information:
- Download shield schematic (.pdf)