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There is a range o high-side current monitors that allow you to monitor/measure currents on the supply line (high-side) of a circuit ..
Here is one example: **broken link removed**
Another option is to design you own circuit based on the same concept (shunt resistor + opamp) ..
Whatever option you choose you will need a current sensing resistor that is rated for more than 10A and is of mΩs to ≈0.1Ω resistance ..
If I may suggest something, go for 10mΩ (0.01Ω) @ 2-5W resitor ..
sorry for interrupting…
my question is how about to design an ac current meter/analyzer?
it is as what an clamp meter is about…i want to analyze the current in the DB and the data receive will be deliver into microcontroller..
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