Friday 4 April 2014

current sensor for small currents?


I'm using an ACS712 +-5A to measure DC current, but my current never goes above 1A. This causes lost resolution in the sensor, since it never measures above 1A.



What are some options for me to measure low values of current at a higher resolution (~1 mA)? 1A or 2A version of the ACS712 would have been ideal, but unfortunately they don't exist. It should be isolated.




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