DC/DC converter education . . where?
OK - the vast majority of electronic equip I have are all battery-power based: laptop, cell phone, bluetooth, tablet, cat-tracker, and portable battery pack. The most power-hungry being the laptop. A...
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Have you looked to see if you can get USB based charger cords for your devices? Most of the gadgets we have now will plug into a common USB port to get charged. Then it should be fairly simple to connect to a 12v adapter. Used to be you could get a 12 volt charger for laptops (at least some of them).
