Quote:
Originally Posted by Renate
And well you can say that!
They have the probes backward on the DVM.
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And an original 7805 needs at least 8V in to regulate. Even an LDO can't output 5V at less than 5V in.
A switching regulator normally boosts or reduces. Ones that can do either are rarer, though possible.
Who publishes this nonsense?