This is the RFduino Single AAA Battery Shield, a long add-on board for the RFduino DIP module that supplies 3.3V to your whole project. This shield can easily attach anywhere on your RFduino stack and will still be able to provide reliable power throughout each board.
The Single AAA Battery Shield is also equipped with a power switch and a step-up switching regulator which allows the 1.5V battery to be drained down to low voltages while still providing a stable 3.3V to your RFduino.
Note: AAA batteries are NOT included with this shield but can be found in the Recommended Products section below.
This skill defines how difficult the soldering is on a particular product. It might be a couple simple solder joints, or require special reflow tools.
Skill Level: Noob - Some basic soldering is required, but it is limited to a just a few pins, basic through-hole soldering, and couple (if any) polarized components. A basic soldering iron is all you should need.
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If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.
Skill Level: Rookie - You may be required to know a bit more about the component, such as orientation, or how to hook it up, in addition to power requirements. You will need to understand polarized components.
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It would be nice if the battery clip could mount under the board so you could stack the other boards and still slip it into a flashlight or other tube (like a PVC pipe).