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Replying to @josecastillo

This is not the final design, but it’s close enough to run power tests. The wing draws something on the order of 12µA. By keeping the Feather M0 mostly in sleep, overall current draw can be <0.01 mA, which would yield 25 weeks on a 400mAh battery like this https://www.adafruit.com/product/3898

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