To run devices like this from an external supply I'd recommend a little Buck regulator board such as the one Youmile does (https://www.amazon.co.uk/dp/B07TTH6C3J). You can then set the output to fixed 5V and drive the input from anything - USB 5V from a breadboard, a 9V PP3, 12V or 24V car, truck or boat battery etc. - with no worries about blowing anything in the Atom.
Posts made by Gallowglass
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RE: Powering Atom Lite with 5V pinsposted in Atom