Use a hall sensor, sample current at intervals over a fixed period of time, say a couple of seconds, and add up the respective values. Then divide the totalised current by the number of samples take. The resultant figure is the "average" current.
Use a hall sensor, sample current at intervals over a fixed period of time, say a couple of seconds, and add up the respective values. Then divide the totalised current by the number of samples take. The resultant figure is the "average" current.