a modern linear regulator can operate about .5v above the output, you dont need a 2v overhead.
that said, if this is all for an esr meter then open the meter and look at the power circuit.
it's probably all 5v from a regulator anyway.
that said, if this is all for an esr meter then open the meter and look at the power circuit.
it's probably all 5v from a regulator anyway.
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