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Power Supply for 5V and 3.3V [Project]
posted May 30 2014 11:00.11 by spic0m

Alex from Tiny Labs explains the reason why the normal USB port power supply is not enough and the makeoff of his own one:

"I normally use a USB port as power supply for my projects. Some ICs need 3.3V instead of 5V as Vcc. Therefore I decided to build a small power supply.
It uses a range of 7-14V (I use 7V for less power loss) as input voltage and supplies 5V and 3.3V with 1A each. Both supplies can be switched individually."

[Link: Tiny Labs]

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