/diy/ - Do It Yourself

Anonymous Mon Jul 2 06:10:27 2018 No.1417276 [View]
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>>1417252
You can't fix voltage and current at the same time. "5V 2A" means "5V and [up to] 2A". Preventing it from falling under is hard (boost regulator) but making sure it doesn't go over is easier.

It's possible to make (shit) regulated supplies with a certain type of diode (Zener), but most regulated supplies use a feedback system and an active control element like a transistor. You can build it yourself, but it'll be easier to just pick up a 7805 linear regulator desu.

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/diy/ - Do It Yourself

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