| - | [* black] Find a DC-DC Converter (probably a buck converter. This is the heart of your DC Power Supply. |
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| - | [* black] You DEFINITELY need one with a voltage and current reading, and adjustable voltage. |
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| + | [title] Select A DC-DC Converter |
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| + | [* black] Find a DC-DC Converter (probably a buck converter). This is the heart of your DC Power Supply. |
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| + | [* black] You DEFINITELY need one with a voltage and current reading, and adjustable voltage (at least for iPhone repairs). If you get one with a USB port, it can serve as a USB ammeter, but a little more work is required. |
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