I'm a bit of a newb when it comes to the electric stuff, but what about:
2 of these: http://www.mouser.com/ProductDetail...nsY2LFIhsWxSy8AGp0JMhT1DYBq/Utn9l64T23%2b5g==
And one of these: https://www.amazon.com/dp/B019SY0TAO/?tag=theminutiae-20
To wind up with an internal or external pico 12v power supply measuring roughly 4x4x1.6?
2 of these: http://www.mouser.com/ProductDetail...nsY2LFIhsWxSy8AGp0JMhT1DYBq/Utn9l64T23%2b5g==
And one of these: https://www.amazon.com/dp/B019SY0TAO/?tag=theminutiae-20
To wind up with an internal or external pico 12v power supply measuring roughly 4x4x1.6?