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An electronic device that supplies electrical energy to a load. It can be AC or DC input. Typically DC output.

1 vote

Using a barrel jack with higher than rated current but lower voltage?

In short, no. Use it to power at most two 5V/2A devices, or split the power supply before feeding it to your devices. Also, careful when using breadboards: the current shouldn't exceed 0.5A there, see …
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