TARDIS Battery Base for Joule Thief

TARDIS Battery Base for Joule Thief

Light up your TARDIS off of a single AA or AAA battery! This design runs off of a joule thief to light up your LEDs off of a single 1.5v battery. It can even run off of "dead" batteries that don't have enough juice to power other devices.

Model available at [ thingiverse.com ].