May 26, 2021
Description
Enclosure to hold Adapter to make a 12V battery charger fed from a laptop power brick.
Uses XL4015 buck converter with current limit.
ATTiny (Digispark) monitors and controls charging and shows results on an OLED display
Enclosure supports a small fan to assist with heat dissipation.
Construction details https://www.instructables.com/Car-Battery-Charger-Adapter/.
License:
Creative Commons - Attribution