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User Projects / Code Examples / Re: Powering the TinyDuino
« on: April 01, 2014, 05:37:29 PM »
Add up each of your requirements for current. For example, your 4 motors at 18ma each come to 72ma. Once you get a total then decide long you want to run the device before the batteries run down. That will give you your minimum milliamphour rating. LiPo's in all sizes, capacity and shapes along with chargers and connectors are available at most any hobby story.