USB to 5.5mm / 2.1mm DC Booster Cable - 12V Output : ID 2778

Adafruit Industries, Unique & fun DIY electronics and kits USB to 5.5mm / 2.1mm DC Booster Cable - 12V Output : ID 2778 - This cable is kinda fascinating - it has an integrated boost converter, so you can plug it into any USB port (from a computer, battery pack, etc) and it will give you a higher DC voltage! It's a handy way to power 12V powered devices with a center-positive DC barrel
This cable is kinda fascinating - it has an integrated boost converter, so you can plug it into any USB port (from a computer, battery pack, etc) and it will give you a higher DC voltage! It's a handy way to power 12V powered devices with a center-positive DC barrel jack from a USB port. We also have a version that provides 9V, and if you just need a passthough cable, here's one for 5VDC.

USB to 5.5mm/2.1mm DC Booster Cable - 9V or 12V Output : ID 5457 : $7.50 : Adafruit Industries, Unique & fun DIY electronics and kits

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This cable is kinda fascinating - it has an integrated boost converter, so you can plug it into any USB port (from a computer, battery pack, etc) and

USB to 5.5mm / 2.1mm DC Booster Cable - 12V Output

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