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A small, but mighty power supply. This board was designed to be as small and inconspicuous as possible. Pop in a AAA battery, flip the power switch, and you will have a 5V supply to power your LilyPad circuit. Good up to 200mA. Short circuit protected.
This board has AAA battery clips but can use an input from 1.2V to 5V. Our lithium polymer batteries are a good, rechargeable alternative.