How could I measure current with a raspberry pi at voltages and currents that can be found inside a typical home's power outlets?
The goal is to create a device that monitors how much energy is being used through a particular outlet.
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I reckon emonPi is what you should be looking for.
As @Jacobm001 said, you should be extremely careful when messing around with the mains voltage and maybe it is a good to buy a preassembled one.
You can do a lot of things using the provided dashboard or the Node-RED integration they offer.
DimP
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Radioshack sells a VOM that has a serial port and a API to interact with the meter.
You could get a "premade" device such as this if it has a customizable API.
Then just code a pi interface to it.
edit: requested link
Dan V
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