Nice, i use this cheap DC-DC conveters
https://www.ebay.com/itm/162648939028?hash=item25dea1da14:g:znYAAOSw71xZo8Mk
But i think it’s good to have a fuse between the battery & DC-DC fore safety

W.

Verstuurd vanaf mijn iPad

Op 30 jun. 2021 om 09:38 heeft udo noll <un@aporee.org> het volgende geschreven:


picture attached: pi zero + wittypi mini + iqaudio zero + DC/DC converter (6-30V to 5V).
that unit is ready to run with eg. a 12V car battery, or LiFePo or whatever, and
monitors its input power, also temperature, which might be useful when it lives in a closed
box.


udo